Chainstack Status - Incident history https://status.chainstack.com Chainstack Thu, 20 Aug 2026 07:00:00 +0000 Internal platform upgrades / NYC Type: Maintenance Affected Components: TRON Mainnet, Plasma Testnet, Berachain Testnet, Arbitrum One Mainnet, Berachain Mainnet, Tempo Moderato Testnet, Stable Mainnet, World Chain Mainnet, XRP Ledger Mainnet, XRP Ledger Testnet, Monad Mainnet, Solana Mainnet, Solana Mainnet Full (Chainstack Cloud, New York) Aug 13, 07:13:05 GMT+0 - Identified - Dear valued users. We want to inform you that we will be conducting platform maintenance. During this maintenance, we will upgrade software which can cause short network disruptions. We apologize for any inconvenience this may cause and appreciate your patience as we work to improve our services. If you have any questions or concerns, please don't hesitate to contact us. Thank you for your understanding. Type: Maintenance

Affected Components: , , , , , , , , , , , ,

<p><small>Aug <var data-var='date'> 13</var>, <var data-var='time'>07:13:05</var> GMT+0</small><br><strong>Identified</strong> - Dear valued users. We want to inform you that we will be conducting platform maintenance. During this maintenance, we will upgrade software which can cause short network disruptions. We apologize for any inconvenience this may cause and appreciate your patience as we work to improve our services. If you have any questions or concerns, please don't hesitate to contact us. Thank you for your understanding..</p> ]]> Thu, 20 Aug 2026 07:00:00 +0000 https://status.chainstack.com/maintenance/cmsr6ljit07710lo98vfeyymy https://status.chainstack.com/maintenance/cmsr6ljit07710lo98vfeyymy Internal platform upgrades / Frankfurt Type: Maintenance Affected Components: Avalanche Mainnet Full (Chainstack Cloud, Frankfurt), Hyperliquid Testnet, Tempo Moderato Testnet, Unichain Sepolia, Cronos Mainnet Full (Chainstack Cloud, Frankfurt), Base Sepolia Testnet, Berachain Mainnet, Arbitrum One Mainnet Archive (Chainstack Cloud, Frankfurt), Robinhood Mainnet, Arbitrum One Mainnet Full (Chainstack Cloud, Frankfurt), Unichain Mainnet, Avalanche Mainnet Archive (Chainstack Cloud, Frankfurt), Monad Mainnet, Monad Testnet, Cronos Mainnet Archive (Chainstack Cloud, Frankfurt), Hyperliquid Mainnet, Bitcoin Mainnet Full (Chainstack Cloud, Frankfurt), Aptos Mainnet Archive (Chainstack Cloud, Frankfurt), Solana Mainnet Full (Chainstack Cloud, Frankfurt), TON Testnet API v3, Robinhood Testnet, Aptos Mainnet Full (Chainstack Cloud, Frankfurt) Aug 12, 09:12:18 GMT+0 - Identified - We would like to inform you that we will be performing platform maintenance. During this maintenance, we will upgrade the software, which may cause brief network disruptions. We apologize for any inconvenience and appreciate your patience as we work to improve our services. If you have any questions or concerns, please don't hesitate to contact us. Thank you for your understanding. Type: Maintenance

Affected Components: , , , , , , , , , , , , , , , , , , , , ,

<p><small>Aug <var data-var='date'> 12</var>, <var data-var='time'>09:12:18</var> GMT+0</small><br><strong>Identified</strong> - We would like to inform you that we will be performing platform maintenance. During this maintenance, we will upgrade the software, which may cause brief network disruptions. We apologize for any inconvenience and appreciate your patience as we work to improve our services. If you have any questions or concerns, please don't hesitate to contact us. Thank you for your understanding..</p> ]]> Tue, 18 Aug 2026 07:00:00 +0000 https://status.chainstack.com/maintenance/cmspvf0hf00vh10p2wycqviry https://status.chainstack.com/maintenance/cmspvf0hf00vh10p2wycqviry Urgent Infrastructure Maintenance(Optimism Mainnet, Hyperliquid, Cronos) Type: Maintenance Duration: 1 hour Affected Components: Cronos Mainnet, Hyperliquid Testnet, Optimism Mainnet, Hyperliquid Mainnet Aug 11, 14:28:04 GMT+0 - Identified - We are changing how Optimism mainnet, Hyperliquid, Cronos requests are routed. During this maintenance users might experience timeouts, the timeouts should recover on it own in 10-15 minutes. Application with retries should connect automatically on its own. Aug 12, 05:30:01 GMT+0 - Identified - Maintenance is now in progress Aug 12, 06:30:00 GMT+0 - Completed - Maintenance has completed successfully Type: Maintenance

Duration: 1 hour

Affected Components: , , ,

<p><small>Aug <var data-var='date'> 11</var>, <var data-var='time'>14:28:04</var> GMT+0</small><br><strong>Identified</strong> - We are changing how Optimism mainnet, Hyperliquid, Cronos requests are routed. During this maintenance users might experience timeouts, the timeouts should recover on it own in 10-15 minutes. Application with retries should connect automatically on its own..</p> <p><small>Aug <var data-var='date'> 12</var>, <var data-var='time'>05:30:01</var> GMT+0</small><br><strong>Identified</strong> - Maintenance is now in progress.</p> <p><small>Aug <var data-var='date'> 12</var>, <var data-var='time'>06:30:00</var> GMT+0</small><br><strong>Completed</strong> - Maintenance has completed successfully.</p> ]]> Wed, 12 Aug 2026 05:30:00 +0000 https://status.chainstack.com/maintenance/cmsor98g90ahx0zmlfjgqnvi1 https://status.chainstack.com/maintenance/cmsor98g90ahx0zmlfjgqnvi1 Solana Mainnet Degraded Performance across regions Type: Incident Duration: 1 hour and 45 minutes Affected Components: Solana Mainnet, Solana Mainnet Full (Chainstack Cloud, New York), Solana Mainnet Full (Chainstack Cloud, Frankfurt) Aug 12, 03:58:54 GMT+0 - Investigating - Upstream nodes are currently not syncing across all regions. We are currently investigating this incident. Aug 12, 03:58:55 GMT+0 - Identified - The instability of the nodes has been linked to an upstream[ incident on terraswitch](https://www.teraswitchstatus.com/incidents/rb6k5l3qxw9k) impacting a subsection of the Solana validators Aug 12, 04:56:10 GMT+0 - Monitoring - The situation is currently stable as we continue to monitor our Solana infrastructure closely Aug 12, 05:43:28 GMT+0 - Resolved - Solana continues to remain stable over the past hour and the incident is now considered resolved Type: Incident

Duration: 1 hour and 45 minutes

Affected Components: , ,

<p><small>Aug <var data-var='date'> 12</var>, <var data-var='time'>03:58:54</var> GMT+0</small><br><strong>Investigating</strong> - Upstream nodes are currently not syncing across all regions. We are currently investigating this incident..</p> <p><small>Aug <var data-var='date'> 12</var>, <var data-var='time'>03:58:55</var> GMT+0</small><br><strong>Identified</strong> - The instability of the nodes has been linked to an upstream[ incident on terraswitch](https://www.teraswitchstatus.com/incidents/rb6k5l3qxw9k) impacting a subsection of the Solana validators.</p> <p><small>Aug <var data-var='date'> 12</var>, <var data-var='time'>04:56:10</var> GMT+0</small><br><strong>Monitoring</strong> - The situation is currently stable as we continue to monitor our Solana infrastructure closely.</p> <p><small>Aug <var data-var='date'> 12</var>, <var data-var='time'>05:43:28</var> GMT+0</small><br><strong>Resolved</strong> - Solana continues to remain stable over the past hour and the incident is now considered resolved.</p> ]]> Wed, 12 Aug 2026 03:58:54 +0000 https://status.chainstack.com/incident/cmspk80sq058m1bueg1e4ltsl https://status.chainstack.com/incident/cmspk80sq058m1bueg1e4ltsl Avalanche Fuji Outage Type: Incident Affected Components: Avalanche Fuji Testnet, Avalanche Fuji Testnet (Virtuozzo, Frankfurt) Aug 13, 03:58:53 GMT+0 - Monitoring - Archival calls on Avalanche Global Nodes might be temporarily unavailable while we continue working to restore full service. Aug 12, 03:12:12 GMT+0 - Investigating - The upstream nodes are currently unhealthy. We are currently investigating this incident. Aug 13, 03:55:38 GMT+0 - Monitoring - Avalanche Trader Nodes have recovered and are operating normally. We are continuing to monitor the service. Type: Incident

Affected Components: ,

<p><small>Aug <var data-var='date'> 13</var>, <var data-var='time'>03:58:53</var> GMT+0</small><br><strong>Monitoring</strong> - Archival calls on Avalanche Global Nodes might be temporarily unavailable while we continue working to restore full service..</p> <p><small>Aug <var data-var='date'> 12</var>, <var data-var='time'>03:12:12</var> GMT+0</small><br><strong>Investigating</strong> - The upstream nodes are currently unhealthy. We are currently investigating this incident..</p> <p><small>Aug <var data-var='date'> 13</var>, <var data-var='time'>03:55:38</var> GMT+0</small><br><strong>Monitoring</strong> - Avalanche Trader Nodes have recovered and are operating normally. We are continuing to monitor the service..</p> ]]> Wed, 12 Aug 2026 03:12:12 +0000 https://status.chainstack.com/incident/cmspijxdx0eoe0zlsm6ee4mcq https://status.chainstack.com/incident/cmspijxdx0eoe0zlsm6ee4mcq Degraded Performance on Multiple Blockchain Networks in LON 2 region Type: Incident Duration: 1 hour and 52 minutes Affected Components: BNB Smart Chain Mainnet Full (Chainstack Cloud, London), Ronin Mainnet, BNB Smart Chain Mainnet, Polygon Amoy Testnet, BNB Smart Chain Mainnet Archive (Chainstack Cloud, London) Aug 11, 21:04:22 GMT+0 - Investigating - We are currently investigating this incident. Aug 11, 21:19:31 GMT+0 - Monitoring - We implemented a fix and are currently monitoring the result. Aug 11, 22:55:58 GMT+0 - Resolved - This incident has been resolved. Type: Incident

Duration: 1 hour and 52 minutes

Affected Components: , , , ,

<p><small>Aug <var data-var='date'> 11</var>, <var data-var='time'>21:04:22</var> GMT+0</small><br><strong>Investigating</strong> - We are currently investigating this incident..</p> <p><small>Aug <var data-var='date'> 11</var>, <var data-var='time'>21:19:31</var> GMT+0</small><br><strong>Monitoring</strong> - We implemented a fix and are currently monitoring the result..</p> <p><small>Aug <var data-var='date'> 11</var>, <var data-var='time'>22:55:58</var> GMT+0</small><br><strong>Resolved</strong> - This incident has been resolved..</p> ]]> Tue, 11 Aug 2026 21:04:22 +0000 https://status.chainstack.com/incident/cmsp5ewdn01zk1bs04jhxp264 https://status.chainstack.com/incident/cmsp5ewdn01zk1bs04jhxp264 Degraded Performance on Aptos Mainnet and Cronos Mainnet Type: Incident Duration: 24 minutes Affected Components: Cronos Mainnet, Cronos Mainnet Full (Chainstack Cloud, Frankfurt), Cronos Mainnet Archive (Chainstack Cloud, Frankfurt), Aptos Mainnet Archive (Chainstack Cloud, Frankfurt), Aptos Mainnet, Aptos Mainnet Full (Chainstack Cloud, Frankfurt) Aug 11, 16:43:47 GMT+0 - Investigating - We are currently investigating this incident. Aug 11, 17:07:35 GMT+0 - Resolved - This incident has been resolved. Type: Incident

Duration: 24 minutes

Affected Components: , , , , ,

<p><small>Aug <var data-var='date'> 11</var>, <var data-var='time'>16:43:47</var> GMT+0</small><br><strong>Investigating</strong> - We are currently investigating this incident..</p> <p><small>Aug <var data-var='date'> 11</var>, <var data-var='time'>17:07:35</var> GMT+0</small><br><strong>Resolved</strong> - This incident has been resolved..</p> ]]> Tue, 11 Aug 2026 16:43:47 +0000 https://status.chainstack.com/incident/cmsow3rvy0b7o1blcyk8hk3zw https://status.chainstack.com/incident/cmsow3rvy0b7o1blcyk8hk3zw Internal platform upgrades / London Type: Maintenance Duration: 2 hours Affected Components: Ethereum Mainnet Beacon (Chainstack Cloud, London), BNB Smart Chain Mainnet Full (Chainstack Cloud, London), Ethereum Mainnet Archive (Chainstack Cloud, London), Polygon Mainnet Full (Chainstack Cloud, London), Ethereum Mainnet Full (Chainstack Cloud, London), Gnosis Mainnet Full (Chainstack Cloud, London), Gnosis Mainnet Archive (Chainstack Cloud, London), Polygon Mainnet Archive (Chainstack Cloud, London), BNB Smart Chain Mainnet Archive (Chainstack Cloud, London), BNB Smart Chain Testnet Full (Chainstack Cloud, London) Aug 5, 02:39:41 GMT+0 - Identified - We would like to inform you that we will be performing platform maintenance. During this maintenance, we will upgrade the software, which may cause brief network disruptions. We apologize for any inconvenience and appreciate your patience as we work to improve our services. If you have any questions or concerns, please don't hesitate to contact us. Thank you for your understanding. Aug 11, 07:00:01 GMT+0 - Identified - Maintenance is now in progress Aug 11, 09:00:00 GMT+0 - Completed - Maintenance has completed successfully Type: Maintenance

Duration: 2 hours

Affected Components: , , , , , , , , ,

<p><small>Aug <var data-var='date'> 5</var>, <var data-var='time'>02:39:41</var> GMT+0</small><br><strong>Identified</strong> - We would like to inform you that we will be performing platform maintenance. During this maintenance, we will upgrade the software, which may cause brief network disruptions. We apologize for any inconvenience and appreciate your patience as we work to improve our services. If you have any questions or concerns, please don't hesitate to contact us. Thank you for your understanding..</p> <p><small>Aug <var data-var='date'> 11</var>, <var data-var='time'>07:00:01</var> GMT+0</small><br><strong>Identified</strong> - Maintenance is now in progress.</p> <p><small>Aug <var data-var='date'> 11</var>, <var data-var='time'>09:00:00</var> GMT+0</small><br><strong>Completed</strong> - Maintenance has completed successfully.</p> ]]> Tue, 11 Aug 2026 07:00:00 +0000 https://status.chainstack.com/maintenance/cmsfhb4wp03n21amku22ldwkn https://status.chainstack.com/maintenance/cmsfhb4wp03n21amku22ldwkn Degraded performance on Solana Mainnet (Chainstack Cloud, Los Angeles) Type: Incident Duration: 2 hours and 14 minutes Affected Components: Solana Mainnet Aug 8, 16:41:55 GMT+0 - Investigating - Nodes are experiencing elevated response times. We are currently investigating this incident. Aug 8, 17:08:00 GMT+0 - Monitoring - We implemented a fix to isolate a noisy thread node and we are currently monitoring the result. Aug 8, 18:56:00 GMT+0 - Resolved - This incident has been resolved. Type: Incident

Duration: 2 hours and 14 minutes

Affected Components:

<p><small>Aug <var data-var='date'> 8</var>, <var data-var='time'>16:41:55</var> GMT+0</small><br><strong>Investigating</strong> - Nodes are experiencing elevated response times. We are currently investigating this incident..</p> <p><small>Aug <var data-var='date'> 8</var>, <var data-var='time'>17:08:00</var> GMT+0</small><br><strong>Monitoring</strong> - We implemented a fix to isolate a noisy thread node and we are currently monitoring the result..</p> <p><small>Aug <var data-var='date'> 8</var>, <var data-var='time'>18:56:00</var> GMT+0</small><br><strong>Resolved</strong> - This incident has been resolved..</p> ]]> Sat, 8 Aug 2026 16:41:55 +0000 https://status.chainstack.com/incident/cmsklptq40qqu0kpqchtl9dsl https://status.chainstack.com/incident/cmsklptq40qqu0kpqchtl9dsl Outage on Robinhood Testnet Type: Incident Duration: 15 minutes Affected Components: Robinhood Testnet Aug 7, 09:04:58 GMT+0 - Resolved - This incident has been resolved. Aug 7, 08:50:05 GMT+0 - Investigating - We are currently investigating this incident. Aug 7, 08:56:04 GMT+0 - Monitoring - We implemented a fix and are currently monitoring the result. Type: Incident

Duration: 15 minutes

Affected Components:

<p><small>Aug <var data-var='date'> 7</var>, <var data-var='time'>09:04:58</var> GMT+0</small><br><strong>Resolved</strong> - This incident has been resolved..</p> <p><small>Aug <var data-var='date'> 7</var>, <var data-var='time'>08:50:05</var> GMT+0</small><br><strong>Investigating</strong> - We are currently investigating this incident..</p> <p><small>Aug <var data-var='date'> 7</var>, <var data-var='time'>08:56:04</var> GMT+0</small><br><strong>Monitoring</strong> - We implemented a fix and are currently monitoring the result..</p> ]]> Fri, 7 Aug 2026 08:50:05 +0000 https://status.chainstack.com/incident/cmsipf7ev0aby0kpq4vun3dti https://status.chainstack.com/incident/cmsipf7ev0aby0kpq4vun3dti Urgent maintenance for Sonic Archive node in LON Type: Maintenance Duration: 1 hour Affected Components: Sonic Mainnet Aug 7, 06:04:17 GMT+0 - Identified - We are doing a urgent maintenance for Sonic Archive node in LON. You will experience delay responses during the maintenance window. Aug 7, 06:45:01 GMT+0 - Identified - Maintenance is now in progress Aug 7, 07:45:00 GMT+0 - Completed - Maintenance has completed successfully Type: Maintenance

Duration: 1 hour

Affected Components:

<p><small>Aug <var data-var='date'> 7</var>, <var data-var='time'>06:04:17</var> GMT+0</small><br><strong>Identified</strong> - We are doing a urgent maintenance for Sonic Archive node in LON. You will experience delay responses during the maintenance window..</p> <p><small>Aug <var data-var='date'> 7</var>, <var data-var='time'>06:45:01</var> GMT+0</small><br><strong>Identified</strong> - Maintenance is now in progress.</p> <p><small>Aug <var data-var='date'> 7</var>, <var data-var='time'>07:45:00</var> GMT+0</small><br><strong>Completed</strong> - Maintenance has completed successfully.</p> ]]> Fri, 7 Aug 2026 06:45:00 +0000 https://status.chainstack.com/maintenance/cmsijhykk08ex0zpqilgj3zgy https://status.chainstack.com/maintenance/cmsijhykk08ex0zpqilgj3zgy Polygon Amoy degraded performance in LON and ASH Type: Incident Duration: 7 hours and 36 minutes Affected Components: Polygon Amoy Testnet Aug 7, 06:06:23 GMT+0 - Investigating - Polygon Amoy nodes in London and Ashburn regions are falling out of sync. We are currently investigating this incident. Aug 7, 10:42:14 GMT+0 - Monitoring - We implemented a fix and are currently monitoring the result. Aug 7, 13:42:00 GMT+0 - Resolved - This incident has been resolved. Type: Incident

Duration: 7 hours and 36 minutes

Affected Components:

<p><small>Aug <var data-var='date'> 7</var>, <var data-var='time'>06:06:23</var> GMT+0</small><br><strong>Investigating</strong> - Polygon Amoy nodes in London and Ashburn regions are falling out of sync. We are currently investigating this incident..</p> <p><small>Aug <var data-var='date'> 7</var>, <var data-var='time'>10:42:14</var> GMT+0</small><br><strong>Monitoring</strong> - We implemented a fix and are currently monitoring the result..</p> <p><small>Aug <var data-var='date'> 7</var>, <var data-var='time'>13:42:00</var> GMT+0</small><br><strong>Resolved</strong> - This incident has been resolved..</p> ]]> Fri, 7 Aug 2026 06:06:23 +0000 https://status.chainstack.com/incident/cmsijkomi08gj0zpq4qoxa7ea https://status.chainstack.com/incident/cmsijkomi08gj0zpq4qoxa7ea Degraded Performance on BNB Smart Chain Type: Incident Duration: 2 hours and 19 minutes Affected Components: BNB Smart Chain Mainnet Full (Chainstack Cloud, London), BNB Smart Chain Mainnet, BNB Smart Chain Mainnet Archive (Chainstack Cloud, London) Aug 6, 15:54:16 GMT+0 - Investigating - We are currently investigating this incident. Aug 6, 17:22:20 GMT+0 - Monitoring - We have applied mitigation measures and are seeing improved performance across the affected infrastructure. Our team continues to monitor the service closely while we investigate the underlying cause to ensure long-term stability. Aug 6, 18:12:52 GMT+0 - Resolved - This incident has been resolved. Type: Incident

Duration: 2 hours and 19 minutes

Affected Components: , ,

<p><small>Aug <var data-var='date'> 6</var>, <var data-var='time'>15:54:16</var> GMT+0</small><br><strong>Investigating</strong> - We are currently investigating this incident..</p> <p><small>Aug <var data-var='date'> 6</var>, <var data-var='time'>17:22:20</var> GMT+0</small><br><strong>Monitoring</strong> - We have applied mitigation measures and are seeing improved performance across the affected infrastructure. Our team continues to monitor the service closely while we investigate the underlying cause to ensure long-term stability..</p> <p><small>Aug <var data-var='date'> 6</var>, <var data-var='time'>18:12:52</var> GMT+0</small><br><strong>Resolved</strong> - This incident has been resolved..</p> ]]> Thu, 6 Aug 2026 15:54:16 +0000 https://status.chainstack.com/incident/cmshp4u7l018h0kpb6dep4jtx https://status.chainstack.com/incident/cmshp4u7l018h0kpb6dep4jtx Ethereum Trader Nodes: Ethereum. Mainnet Full and Archive (Chainstack Cloud, London) migration from London to London2 Type: Maintenance Duration: 2 hours Affected Components: Ethereum Mainnet Beacon (Chainstack Cloud, London), Ethereum Mainnet Archive (Chainstack Cloud, London), Ethereum Mainnet Full (Chainstack Cloud, London) Aug 5, 08:59:50 GMT+0 - Identified - Ethereum Trader Nodes: Ethereum. Mainnet Full and Archive (Chainstack Cloud, London) migration from London to London2 Aug 6, 05:30:01 GMT+0 - Identified - Maintenance is now in progress Aug 6, 07:30:00 GMT+0 - Completed - Maintenance has completed successfully Type: Maintenance

Duration: 2 hours

Affected Components: , ,

<p><small>Aug <var data-var='date'> 5</var>, <var data-var='time'>08:59:50</var> GMT+0</small><br><strong>Identified</strong> - Ethereum Trader Nodes: Ethereum. Mainnet Full and Archive (Chainstack Cloud, London) migration from London to London2 .</p> <p><small>Aug <var data-var='date'> 6</var>, <var data-var='time'>05:30:01</var> GMT+0</small><br><strong>Identified</strong> - Maintenance is now in progress.</p> <p><small>Aug <var data-var='date'> 6</var>, <var data-var='time'>07:30:00</var> GMT+0</small><br><strong>Completed</strong> - Maintenance has completed successfully.</p> ]]> Thu, 6 Aug 2026 05:30:00 +0000 https://status.chainstack.com/maintenance/cmsfuw0w8011e0kpspb92e5gg https://status.chainstack.com/maintenance/cmsfuw0w8011e0kpspb92e5gg Degraded Performance on Solana Devnet Type: Incident Duration: 1 hour and 1 minute Affected Components: Solana Devnet Aug 5, 17:46:00 GMT+0 - Resolved - This incident has been resolved. Aug 5, 16:45:08 GMT+0 - Investigating - We are currently investigating this incident. Aug 5, 16:58:06 GMT+0 - Monitoring - We implemented a fix and are currently monitoring the result. Type: Incident

Duration: 1 hour and 1 minute

Affected Components:

<p><small>Aug <var data-var='date'> 5</var>, <var data-var='time'>17:46:00</var> GMT+0</small><br><strong>Resolved</strong> - This incident has been resolved..</p> <p><small>Aug <var data-var='date'> 5</var>, <var data-var='time'>16:45:08</var> GMT+0</small><br><strong>Investigating</strong> - We are currently investigating this incident..</p> <p><small>Aug <var data-var='date'> 5</var>, <var data-var='time'>16:58:06</var> GMT+0</small><br><strong>Monitoring</strong> - We implemented a fix and are currently monitoring the result..</p> ]]> Wed, 5 Aug 2026 16:45:08 +0000 https://status.chainstack.com/incident/cmsgbif13019a1aoa0hgel8qe https://status.chainstack.com/incident/cmsgbif13019a1aoa0hgel8qe Degraded Performance on Monad Testnet Type: Incident Duration: 4 hours and 58 minutes Affected Components: Monad Testnet Aug 5, 14:49:03 GMT+0 - Investigating - We are currently investigating this incident. Aug 5, 19:46:43 GMT+0 - Resolved - The affected Monad Testnet node has fully synchronized and has been stable since approximately 3:30 PM UTC. Type: Incident

Duration: 4 hours and 58 minutes

Affected Components:

<p><small>Aug <var data-var='date'> 5</var>, <var data-var='time'>14:49:03</var> GMT+0</small><br><strong>Investigating</strong> - We are currently investigating this incident..</p> <p><small>Aug <var data-var='date'> 5</var>, <var data-var='time'>19:46:43</var> GMT+0</small><br><strong>Resolved</strong> - The affected Monad Testnet node has fully synchronized and has been stable since approximately 3:30 PM UTC..</p> ]]> Wed, 5 Aug 2026 14:49:03 +0000 https://status.chainstack.com/incident/cmsg7d47p03gr0zjsq8j37v04 https://status.chainstack.com/incident/cmsg7d47p03gr0zjsq8j37v04 Internal platform upgrades - Monad Testnet Type: Maintenance Duration: 1 hour Affected Components: Monad Testnet Aug 4, 09:59:12 GMT+0 - Identified - Dear valued users. We want to inform you that we will be conducting platform maintenance. During this maintenance, we will upgrade software which can cause short network disruptions. We apologize for any inconvenience this may cause and appreciate your patience as we work to improve our services. If you have any questions or concerns, please don't hesitate to contact us. Thank you for your understanding. Aug 5, 13:00:01 GMT+0 - Identified - Maintenance is now in progress Aug 5, 14:00:00 GMT+0 - Completed - Maintenance has completed successfully Type: Maintenance

Duration: 1 hour

Affected Components:

<p><small>Aug <var data-var='date'> 4</var>, <var data-var='time'>09:59:12</var> GMT+0</small><br><strong>Identified</strong> - Dear valued users. We want to inform you that we will be conducting platform maintenance. During this maintenance, we will upgrade software which can cause short network disruptions. We apologize for any inconvenience this may cause and appreciate your patience as we work to improve our services. If you have any questions or concerns, please don't hesitate to contact us. Thank you for your understanding..</p> <p><small>Aug <var data-var='date'> 5</var>, <var data-var='time'>13:00:01</var> GMT+0</small><br><strong>Identified</strong> - Maintenance is now in progress.</p> <p><small>Aug <var data-var='date'> 5</var>, <var data-var='time'>14:00:00</var> GMT+0</small><br><strong>Completed</strong> - Maintenance has completed successfully.</p> ]]> Wed, 5 Aug 2026 13:00:00 +0000 https://status.chainstack.com/maintenance/cmsehkics09xi0zmsnwfvwk12 https://status.chainstack.com/maintenance/cmsehkics09xi0zmsnwfvwk12 BSC Mainnet lagging across multiple clusters Type: Incident Duration: 1 hour and 18 minutes Affected Components: BNB Smart Chain Mainnet, BNB Smart Chain Mainnet Archive (Chainstack Cloud, London), BNB Smart Chain Mainnet Archive (Chainstack Cloud, Ashburn) Aug 5, 05:26:00 GMT+0 - Monitoring - We implemented a fix and are currently monitoring the result. Aug 5, 05:41:45 GMT+0 - Resolved - This incident has been resolved. Aug 5, 04:24:14 GMT+0 - Investigating - BSC Mainnet upstream nodes are lagging across multiple clusters. We are currently investigating this incident. Type: Incident

Duration: 1 hour and 18 minutes

Affected Components: , ,

<p><small>Aug <var data-var='date'> 5</var>, <var data-var='time'>05:26:00</var> GMT+0</small><br><strong>Monitoring</strong> - We implemented a fix and are currently monitoring the result..</p> <p><small>Aug <var data-var='date'> 5</var>, <var data-var='time'>05:41:45</var> GMT+0</small><br><strong>Resolved</strong> - This incident has been resolved..</p> <p><small>Aug <var data-var='date'> 5</var>, <var data-var='time'>04:24:14</var> GMT+0</small><br><strong>Investigating</strong> - BSC Mainnet upstream nodes are lagging across multiple clusters. We are currently investigating this incident..</p> ]]> Wed, 5 Aug 2026 04:24:14 +0000 https://status.chainstack.com/incident/cmsfl1lki04ra0zmmp9igjl7k https://status.chainstack.com/incident/cmsfl1lki04ra0zmmp9igjl7k Urgent Infrastructure Maintenance (Chainstack Cloud, Ashburn) Type: Maintenance Duration: 45 minutes Affected Components: Unichain Mainnet, Ronin Saigon, Scroll Mainnet, Base Sepolia Testnet, Sui Mainnet Aug 4, 14:43:44 GMT+0 - Identified - Dear valued users. We want to inform you that we will be conducting platform maintenance. During this maintenance, we will upgrade software which can cause short network disruptions. We apologize for any inconvenience this may cause and appreciate your patience as we work to improve our services. If you have any questions or concerns, please don't hesitate to contact us. Thank you for your understanding. Aug 5, 04:00:01 GMT+0 - Identified - Maintenance is now in progress Aug 5, 04:45:00 GMT+0 - Completed - Maintenance has completed successfully Type: Maintenance

Duration: 45 minutes

Affected Components: , , , ,

<p><small>Aug <var data-var='date'> 4</var>, <var data-var='time'>14:43:44</var> GMT+0</small><br><strong>Identified</strong> - Dear valued users. We want to inform you that we will be conducting platform maintenance. During this maintenance, we will upgrade software which can cause short network disruptions. We apologize for any inconvenience this may cause and appreciate your patience as we work to improve our services. If you have any questions or concerns, please don't hesitate to contact us. Thank you for your understanding..</p> <p><small>Aug <var data-var='date'> 5</var>, <var data-var='time'>04:00:01</var> GMT+0</small><br><strong>Identified</strong> - Maintenance is now in progress.</p> <p><small>Aug <var data-var='date'> 5</var>, <var data-var='time'>04:45:00</var> GMT+0</small><br><strong>Completed</strong> - Maintenance has completed successfully.</p> ]]> Wed, 5 Aug 2026 04:00:00 +0000 https://status.chainstack.com/maintenance/cmserqfn20g2h0zppxrhrjqd2 https://status.chainstack.com/maintenance/cmserqfn20g2h0zppxrhrjqd2 Degraded Performance on Monad Testnet Type: Incident Duration: 12 hours and 27 minutes Affected Components: Monad Testnet Aug 4, 20:09:13 GMT+0 - Investigating - We are currently investigating this incident. Aug 4, 20:20:00 GMT+0 - Resolved - This incident has been resolved. Type: Incident

Duration: 12 hours and 27 minutes

Affected Components:

<p><small>Aug <var data-var='date'> 4</var>, <var data-var='time'>20:09:13</var> GMT+0</small><br><strong>Investigating</strong> - We are currently investigating this incident..</p> <p><small>Aug <var data-var='date'> 4</var>, <var data-var='time'>20:20:00</var> GMT+0</small><br><strong>Resolved</strong> - This incident has been resolved..</p> ]]> Tue, 4 Aug 2026 20:09:13 +0000 https://status.chainstack.com/incident/cmsf3czxk00mi1amk7e38456j https://status.chainstack.com/incident/cmsf3czxk00mi1amk7e38456j Outage on Optimism Sepolia Testnet Type: Incident Affected Components: Optimism Sepolia Testnet Aug 4, 13:11:10 GMT+0 - Resolved - Optimism Sepolia Testnet Global nodes have experienced short outage resulting in responses with status code 404, this incident is mitigated and nodes are operational. Type: Incident

Affected Components:

<p><small>Aug <var data-var='date'> 4</var>, <var data-var='time'>13:11:10</var> GMT+0</small><br><strong>Resolved</strong> - Optimism Sepolia Testnet Global nodes have experienced short outage resulting in responses with status code 404, this incident is mitigated and nodes are operational. .</p> ]]> Tue, 4 Aug 2026 13:11:10 +0000 https://status.chainstack.com/incident/cmseofdvt0br50zmskx3qsf41 https://status.chainstack.com/incident/cmseofdvt0br50zmskx3qsf41 Urgent Infrastructure Maintenance(Optimism Sepolia) Type: Maintenance Duration: 30 minutes Affected Components: Optimism Sepolia Testnet Jul 31, 10:58:24 GMT+0 - Identified - We are changing how optimism sepolia requests are routed. During this maintenance users might experience timeouts, the timeouts should recover on it own in 10-15 minutes. Application with retries should connect automatically on its own. Aug 3, 08:30:01 GMT+0 - Identified - Maintenance is now in progress Aug 3, 09:00:00 GMT+0 - Completed - Maintenance has completed successfully Type: Maintenance

Duration: 30 minutes

Affected Components:

<p><small>Jul <var data-var='date'> 31</var>, <var data-var='time'>10:58:24</var> GMT+0</small><br><strong>Identified</strong> - We are changing how optimism sepolia requests are routed. During this maintenance users might experience timeouts, the timeouts should recover on it own in 10-15 minutes. Application with retries should connect automatically on its own. .</p> <p><small>Aug <var data-var='date'> 3</var>, <var data-var='time'>08:30:01</var> GMT+0</small><br><strong>Identified</strong> - Maintenance is now in progress.</p> <p><small>Aug <var data-var='date'> 3</var>, <var data-var='time'>09:00:00</var> GMT+0</small><br><strong>Completed</strong> - Maintenance has completed successfully.</p> ]]> Mon, 3 Aug 2026 08:30:00 +0000 https://status.chainstack.com/maintenance/cms8tx8540hj51anz795qvpp0 https://status.chainstack.com/maintenance/cms8tx8540hj51anz795qvpp0 Hyperliquid Testnet degraded performance Type: Incident Duration: 40 minutes Affected Components: Hyperliquid Testnet Aug 3, 07:01:28 GMT+0 - Investigating - Nodes are giving timeouts. We are currently investigating this incident. Aug 3, 07:11:16 GMT+0 - Identified - We are continuing to work on a fix for this incident. Aug 3, 07:41:12 GMT+0 - Resolved - This incident has been resolved. Type: Incident

Duration: 40 minutes

Affected Components:

<p><small>Aug <var data-var='date'> 3</var>, <var data-var='time'>07:01:28</var> GMT+0</small><br><strong>Investigating</strong> - Nodes are giving timeouts. We are currently investigating this incident..</p> <p><small>Aug <var data-var='date'> 3</var>, <var data-var='time'>07:11:16</var> GMT+0</small><br><strong>Identified</strong> - We are continuing to work on a fix for this incident..</p> <p><small>Aug <var data-var='date'> 3</var>, <var data-var='time'>07:41:12</var> GMT+0</small><br><strong>Resolved</strong> - This incident has been resolved..</p> ]]> Mon, 3 Aug 2026 07:01:28 +0000 https://status.chainstack.com/incident/cmscvs3pm07f81anvvtqcspqr https://status.chainstack.com/incident/cmscvs3pm07f81anvvtqcspqr Degraded Performance on BNB Smart Chain Mainnet Archive Nodes in London Type: Incident Duration: 4 hours and 39 minutes Affected Components: BNB Smart Chain Mainnet, BNB Smart Chain Mainnet Archive (Chainstack Cloud, London) Aug 2, 23:00:00 GMT+0 - Identified - The nodes are lagging again. We are continuing to work on a fix for this incident. Aug 2, 21:33:05 GMT+0 - Investigating - We are currently investigating this incident. Aug 2, 21:50:32 GMT+0 - Monitoring - We implemented a fix and are currently monitoring the result. Aug 3, 02:12:29 GMT+0 - Resolved - This incident has been resolved. Type: Incident

Duration: 4 hours and 39 minutes

Affected Components: ,

<p><small>Aug <var data-var='date'> 2</var>, <var data-var='time'>23:00:00</var> GMT+0</small><br><strong>Identified</strong> - The nodes are lagging again. We are continuing to work on a fix for this incident..</p> <p><small>Aug <var data-var='date'> 2</var>, <var data-var='time'>21:33:05</var> GMT+0</small><br><strong>Investigating</strong> - We are currently investigating this incident..</p> <p><small>Aug <var data-var='date'> 2</var>, <var data-var='time'>21:50:32</var> GMT+0</small><br><strong>Monitoring</strong> - We implemented a fix and are currently monitoring the result..</p> <p><small>Aug <var data-var='date'> 3</var>, <var data-var='time'>02:12:29</var> GMT+0</small><br><strong>Resolved</strong> - This incident has been resolved..</p> ]]> Sun, 2 Aug 2026 21:33:05 +0000 https://status.chainstack.com/incident/cmscbh5fr02ts1aswr5gjfgdm https://status.chainstack.com/incident/cmscbh5fr02ts1aswr5gjfgdm Bsc Archive nodes lagging LON and SGP Type: Incident Duration: 1 hour and 8 minutes Affected Components: BNB Smart Chain Mainnet Archive (Chainstack Cloud, London) Aug 2, 11:45:55 GMT+0 - Investigating - We are currently investigating this incident. Aug 2, 12:38:37 GMT+0 - Monitoring - We implemented a fix and are currently monitoring the result. Aug 2, 12:53:41 GMT+0 - Resolved - This incident has been resolved. Type: Incident

Duration: 1 hour and 8 minutes

Affected Components:

<p><small>Aug <var data-var='date'> 2</var>, <var data-var='time'>11:45:55</var> GMT+0</small><br><strong>Investigating</strong> - We are currently investigating this incident..</p> <p><small>Aug <var data-var='date'> 2</var>, <var data-var='time'>12:38:37</var> GMT+0</small><br><strong>Monitoring</strong> - We implemented a fix and are currently monitoring the result..</p> <p><small>Aug <var data-var='date'> 2</var>, <var data-var='time'>12:53:41</var> GMT+0</small><br><strong>Resolved</strong> - This incident has been resolved..</p> ]]> Sun, 2 Aug 2026 11:45:55 +0000 https://status.chainstack.com/incident/cmsbqi1v80r5w1aqlevv3bw33 https://status.chainstack.com/incident/cmsbqi1v80r5w1aqlevv3bw33 Polygon Mainnet lagging in Ashburn Type: Incident Duration: 34 minutes Affected Components: Polygon Mainnet Full (Chainstack Cloud, Ashburn), Polygon Mainnet Jul 31, 04:56:44 GMT+0 - Investigating - Upstreams are lagging in the Ashburn cluster. We are currently investigating this incident. Jul 31, 05:31:00 GMT+0 - Resolved - This incident has been resolved. Type: Incident

Duration: 34 minutes

Affected Components: ,

<p><small>Jul <var data-var='date'> 31</var>, <var data-var='time'>04:56:44</var> GMT+0</small><br><strong>Investigating</strong> - Upstreams are lagging in the Ashburn cluster. We are currently investigating this incident..</p> <p><small>Jul <var data-var='date'> 31</var>, <var data-var='time'>05:31:00</var> GMT+0</small><br><strong>Resolved</strong> - This incident has been resolved..</p> ]]> Fri, 31 Jul 2026 04:56:44 +0000 https://status.chainstack.com/incident/cms8h05bc0lki0rpff184l1sm https://status.chainstack.com/incident/cms8h05bc0lki0rpff184l1sm Arbitrum Nitro Sepolia degraded performance in LAX region Type: Incident Duration: 27 minutes Affected Components: Arbitrum Sepolia Jul 31, 03:23:05 GMT+0 - Monitoring - We implemented a fix and are currently monitoring the result. Jul 31, 03:43:58 GMT+0 - Resolved - This incident has been resolved. Jul 31, 03:17:19 GMT+0 - Investigating - The nodes may return 503 errors. We are currently investigating this incident. Type: Incident

Duration: 27 minutes

Affected Components:

<p><small>Jul <var data-var='date'> 31</var>, <var data-var='time'>03:23:05</var> GMT+0</small><br><strong>Monitoring</strong> - We implemented a fix and are currently monitoring the result..</p> <p><small>Jul <var data-var='date'> 31</var>, <var data-var='time'>03:43:58</var> GMT+0</small><br><strong>Resolved</strong> - This incident has been resolved..</p> <p><small>Jul <var data-var='date'> 31</var>, <var data-var='time'>03:17:19</var> GMT+0</small><br><strong>Investigating</strong> - The nodes may return 503 errors. We are currently investigating this incident..</p> ]]> Fri, 31 Jul 2026 03:17:19 +0000 https://status.chainstack.com/incident/cms8dgas40byi0znzhx57o5xy https://status.chainstack.com/incident/cms8dgas40byi0znzhx57o5xy Several Testnets Outage due to network maintenance Type: Incident Duration: 5 hours and 4 minutes Affected Components: Avalanche Fuji Testnet (Virtuozzo, Frankfurt), Bitcoin Testnet Full (Virtuozzo, Frankfurt), Ethereum Sepolia Testnet Full (Virtuozzo, Frankfurt), Harmony Mainnet Full (Virtuozzo, Frankfurt), Gnosis Chiado Testnet Full (Virtuozzo, Frankfurt), Ethereum Sepolia Testnet Beacon (Virtuozzo, Frankfurt) Jul 31, 03:03:58 GMT+0 - Investigating - Due to network maintenance, some chains may be temporarily inaccessible for a short period. Our team is working on the same. We apologize for any inconvenience caused. Jul 31, 03:38:05 GMT+0 - Monitoring - We implemented a fix and are currently monitoring the result. Jul 31, 04:42:10 GMT+0 - Identified - We are continuing to work on a fix for this incident. Jul 31, 06:26:19 GMT+0 - Resolved - This incident has been resolved. Jul 31, 06:51:06 GMT+0 - Identified - Nodes are unstable again. We are continuing to work on a fix for this incident. Jul 31, 08:08:13 GMT+0 - Resolved - This incident has been resolved. Type: Incident

Duration: 5 hours and 4 minutes

Affected Components: , , , , ,

<p><small>Jul <var data-var='date'> 31</var>, <var data-var='time'>03:03:58</var> GMT+0</small><br><strong>Investigating</strong> - Due to network maintenance, some chains may be temporarily inaccessible for a short period. Our team is working on the same. We apologize for any inconvenience caused..</p> <p><small>Jul <var data-var='date'> 31</var>, <var data-var='time'>03:38:05</var> GMT+0</small><br><strong>Monitoring</strong> - We implemented a fix and are currently monitoring the result..</p> <p><small>Jul <var data-var='date'> 31</var>, <var data-var='time'>04:42:10</var> GMT+0</small><br><strong>Identified</strong> - We are continuing to work on a fix for this incident..</p> <p><small>Jul <var data-var='date'> 31</var>, <var data-var='time'>06:26:19</var> GMT+0</small><br><strong>Resolved</strong> - This incident has been resolved..</p> <p><small>Jul <var data-var='date'> 31</var>, <var data-var='time'>06:51:06</var> GMT+0</small><br><strong>Identified</strong> - Nodes are unstable again. We are continuing to work on a fix for this incident..</p> <p><small>Jul <var data-var='date'> 31</var>, <var data-var='time'>08:08:13</var> GMT+0</small><br><strong>Resolved</strong> - This incident has been resolved..</p> ]]> Fri, 31 Jul 2026 03:03:58 +0000 https://status.chainstack.com/incident/cms8cz50m0bsj0znz09k9n31r https://status.chainstack.com/incident/cms8cz50m0bsj0znz09k9n31r Migrating Polygon Archive trader nodes to Bor from Erigon Type: Maintenance Duration: 2 hours Affected Components: Polygon Mainnet Full (Chainstack Cloud, London), Polygon Mainnet Archive (Chainstack Cloud, Ashburn), Polygon Mainnet Archive (Chainstack Cloud, London) Jul 29, 09:25:53 GMT+0 - Identified - We are conducting some maintenance on our Polygon Regional Elastic Archive nodes to migrate the underlying client from Erigon to Bor inline with the erigon [end of life notice from Polygon team.](https://forum.polygon.technology/t/sunsetting-erigon-support/21872) While we aim to make this a transparent change, during the maintenance window you may notice some brief disruptions on your traffic. Please get in touch with our support for any questions you might have. Jul 30, 07:00:01 GMT+0 - Identified - Maintenance is now in progress Jul 30, 09:00:00 GMT+0 - Completed - Maintenance has completed successfully Type: Maintenance

Duration: 2 hours

Affected Components: , ,

<p><small>Jul <var data-var='date'> 29</var>, <var data-var='time'>09:25:53</var> GMT+0</small><br><strong>Identified</strong> - We are conducting some maintenance on our Polygon Regional Elastic Archive nodes to migrate the underlying client from Erigon to Bor inline with the erigon [end of life notice from Polygon team.](https://forum.polygon.technology/t/sunsetting-erigon-support/21872) While we aim to make this a transparent change, during the maintenance window you may notice some brief disruptions on your traffic. Please get in touch with our support for any questions you might have. .</p> <p><small>Jul <var data-var='date'> 30</var>, <var data-var='time'>07:00:01</var> GMT+0</small><br><strong>Identified</strong> - Maintenance is now in progress.</p> <p><small>Jul <var data-var='date'> 30</var>, <var data-var='time'>09:00:00</var> GMT+0</small><br><strong>Completed</strong> - Maintenance has completed successfully.</p> ]]> Thu, 30 Jul 2026 07:00:00 +0000 https://status.chainstack.com/maintenance/cms5vqkbb00xe0rpa2phsk5ei https://status.chainstack.com/maintenance/cms5vqkbb00xe0rpa2phsk5ei Robinhood Testnet Global Outage Type: Incident Duration: 4 days and 36 minutes Affected Components: Robinhood Testnet Jul 30, 06:47:00 GMT+0 - Investigating - We're currently investigating the unhealthy upstreams. Jul 30, 15:49:57 GMT+0 - Identified - The Robinhood Testnet endpoint is available again, but the underlying issue is not resolved. The nodes remain out of sync with the canonical chain, and we are waiting for a fix from the upstream development team Jul 30, 17:00:00 GMT+0 - Monitoring - The nodes have started syncing. Although we are still waiting for permanent fix from the Robinhood development team. Aug 3, 07:23:22 GMT+0 - Resolved - This incident has been resolved. Type: Incident

Duration: 4 days and 36 minutes

Affected Components:

<p><small>Jul <var data-var='date'> 30</var>, <var data-var='time'>06:47:00</var> GMT+0</small><br><strong>Investigating</strong> - We're currently investigating the unhealthy upstreams..</p> <p><small>Jul <var data-var='date'> 30</var>, <var data-var='time'>15:49:57</var> GMT+0</small><br><strong>Identified</strong> - The Robinhood Testnet endpoint is available again, but the underlying issue is not resolved. The nodes remain out of sync with the canonical chain, and we are waiting for a fix from the upstream development team.</p> <p><small>Jul <var data-var='date'> 30</var>, <var data-var='time'>17:00:00</var> GMT+0</small><br><strong>Monitoring</strong> - The nodes have started syncing. Although we are still waiting for permanent fix from the Robinhood development team..</p> <p><small>Aug <var data-var='date'> 3</var>, <var data-var='time'>07:23:22</var> GMT+0</small><br><strong>Resolved</strong> - This incident has been resolved..</p> ]]> Thu, 30 Jul 2026 06:47:00 +0000 https://status.chainstack.com/incident/cms77u29600vc0kr02j53z3i2 https://status.chainstack.com/incident/cms77u29600vc0kr02j53z3i2 Urgent Scheduled infrastructure Maintanance (Chainstack Cloud, NewYork) Type: Maintenance Duration: 2 hours Affected Components: Solana Mainnet Full (Chainstack Cloud, New York) Jul 29, 07:17:23 GMT+0 - Identified - We are planning for a scheduled maintenance during that time. Jul 30, 05:30:01 GMT+0 - Identified - Maintenance is now in progress Jul 30, 07:30:00 GMT+0 - Completed - Maintenance has completed successfully Type: Maintenance

Duration: 2 hours

Affected Components:

<p><small>Jul <var data-var='date'> 29</var>, <var data-var='time'>07:17:23</var> GMT+0</small><br><strong>Identified</strong> - We are planning for a scheduled maintenance during that time..</p> <p><small>Jul <var data-var='date'> 30</var>, <var data-var='time'>05:30:01</var> GMT+0</small><br><strong>Identified</strong> - Maintenance is now in progress.</p> <p><small>Jul <var data-var='date'> 30</var>, <var data-var='time'>07:30:00</var> GMT+0</small><br><strong>Completed</strong> - Maintenance has completed successfully.</p> ]]> Thu, 30 Jul 2026 05:30:00 +0000 https://status.chainstack.com/maintenance/cms5r5at50j4q0zqqv6xj1t7i https://status.chainstack.com/maintenance/cms5r5at50j4q0zqqv6xj1t7i Degraded Performance for Solana Mainnet in the LAX Region Type: Incident Duration: 18 hours and 35 minutes Affected Components: Solana Mainnet Jul 29, 14:44:36 GMT+0 - Investigating - We are currently investigating this incident. Jul 29, 15:26:27 GMT+0 - Monitoring - We implemented a fix and are currently monitoring the result. Jul 30, 09:19:21 GMT+0 - Resolved - This incident has been resolved. Type: Incident

Duration: 18 hours and 35 minutes

Affected Components:

<p><small>Jul <var data-var='date'> 29</var>, <var data-var='time'>14:44:36</var> GMT+0</small><br><strong>Investigating</strong> - We are currently investigating this incident..</p> <p><small>Jul <var data-var='date'> 29</var>, <var data-var='time'>15:26:27</var> GMT+0</small><br><strong>Monitoring</strong> - We implemented a fix and are currently monitoring the result..</p> <p><small>Jul <var data-var='date'> 30</var>, <var data-var='time'>09:19:21</var> GMT+0</small><br><strong>Resolved</strong> - This incident has been resolved..</p> ]]> Wed, 29 Jul 2026 14:44:36 +0000 https://status.chainstack.com/incident/cms674fp903ty0rlm58evusa7 https://status.chainstack.com/incident/cms674fp903ty0rlm58evusa7 Polygon Amoy Erigon -> Bor EL migration Type: Maintenance Duration: 1 hour Affected Components: Polygon Amoy Testnet Jul 29, 02:37:43 GMT+0 - Identified - We are planning for a scheduled maintenance during that time. Jul 29, 02:35:00 GMT+0 - Identified - Maintenance is now in progress Jul 29, 03:35:00 GMT+0 - Completed - Maintenance has completed successfully Type: Maintenance

Duration: 1 hour

Affected Components:

<p><small>Jul <var data-var='date'> 29</var>, <var data-var='time'>02:37:43</var> GMT+0</small><br><strong>Identified</strong> - We are planning for a scheduled maintenance during that time..</p> <p><small>Jul <var data-var='date'> 29</var>, <var data-var='time'>02:35:00</var> GMT+0</small><br><strong>Identified</strong> - Maintenance is now in progress.</p> <p><small>Jul <var data-var='date'> 29</var>, <var data-var='time'>03:35:00</var> GMT+0</small><br><strong>Completed</strong> - Maintenance has completed successfully.</p> ]]> Wed, 29 Jul 2026 02:35:00 +0000 https://status.chainstack.com/maintenance/cms5h5ngj0frt1bqq2jvjv1y7 https://status.chainstack.com/maintenance/cms5h5ngj0frt1bqq2jvjv1y7 Degraded Performance on Avalanche Fuji Testnet Type: Incident Duration: 38 minutes Affected Components: Avalanche Fuji Testnet Jul 27, 14:59:10 GMT+0 - Investigating - We are currently investigating this incident. Jul 27, 15:08:02 GMT+0 - Monitoring - The issue has auto-resolved, and the affected services have recovered. We are continuing to monitor while the team investigates the root cause Jul 27, 15:37:22 GMT+0 - Resolved - The issue has been resolved, and all services are operating normally. We’ll continue monitoring to ensure stability Type: Incident

Duration: 38 minutes

Affected Components:

<p><small>Jul <var data-var='date'> 27</var>, <var data-var='time'>14:59:10</var> GMT+0</small><br><strong>Investigating</strong> - We are currently investigating this incident..</p> <p><small>Jul <var data-var='date'> 27</var>, <var data-var='time'>15:08:02</var> GMT+0</small><br><strong>Monitoring</strong> - The issue has auto-resolved, and the affected services have recovered. We are continuing to monitor while the team investigates the root cause.</p> <p><small>Jul <var data-var='date'> 27</var>, <var data-var='time'>15:37:22</var> GMT+0</small><br><strong>Resolved</strong> - The issue has been resolved, and all services are operating normally. We’ll continue monitoring to ensure stability.</p> ]]> Mon, 27 Jul 2026 14:59:10 +0000 https://status.chainstack.com/incident/cms3cri550uou1amt42srribl https://status.chainstack.com/incident/cms3cri550uou1amt42srribl Degraded Performance in the LAX Region Type: Incident Duration: 1 hour and 50 minutes Affected Components: Celo Mainnet, Avalanche Mainnet, ZKsync Era Mainnet, TON Testnet API v2, Fantom Mainnet, TON Mainnet API v3, Base Sepolia Testnet, Ethereum Hoodi Testnet, Arbitrum One Mainnet Full (Chainstack Cloud, Los Angeles), Bitcoin Mainnet, Gnosis Chain Mainnet, Base Mainnet, Avalanche Mainnet Full (Chainstack Cloud, Los Angeles), Gnosis Chain Chiado Testnet, Arbitrum One Mainnet Archive (Chainstack Cloud, Los Angeles), Optimism Mainnet Full (Chainstack Cloud, Los Angeles), Bitcoin Signet Testnet GEN Masternode Instatus, Ethereum Mainnet, TON Mainnet API v2, Ethereum Mainnet Beacon, Optimism Mainnet, Bitcoin Testnet, ZKsync Era Sepolia Testnet, Optimism Mainnet Archive (Chainstack Cloud, Los Angeles), Hyperliquid Mainnet, Bitcoin Mainnet Full (Chainstack Cloud, Los Angeles), Optimism Sepolia Testnet, TON Testnet API v3, Ethereum Sepolia Testnet, Ethereum Sepolia Testnet Beacon, Base Mainnet Archive (Chainstack Cloud, Los Angeles), Base Mainnet Full (Chainstack Cloud, Los Angeles) Jul 24, 19:10:44 GMT+0 - Investigating - We are currently investigating this incident. Jul 24, 21:00:28 GMT+0 - Resolved - The intermittent connectivity issue affecting part of our LAX infrastructure has been resolved. Services are operating normally again. Type: Incident

Duration: 1 hour and 50 minutes

Affected Components: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,

<p><small>Jul <var data-var='date'> 24</var>, <var data-var='time'>19:10:44</var> GMT+0</small><br><strong>Investigating</strong> - We are currently investigating this incident..</p> <p><small>Jul <var data-var='date'> 24</var>, <var data-var='time'>21:00:28</var> GMT+0</small><br><strong>Resolved</strong> - The intermittent connectivity issue affecting part of our LAX infrastructure has been resolved. Services are operating normally again..</p> ]]> Fri, 24 Jul 2026 19:10:44 +0000 https://status.chainstack.com/incident/cmrzbffkg01ts0rruw8sxai1t https://status.chainstack.com/incident/cmrzbffkg01ts0rruw8sxai1t Degraded performance on Solana Mainnet in Singapore & Frankfurt Type: Incident Duration: 6 days, 14 hours and 21 minutes Affected Components: Solana Mainnet Jul 24, 08:37:43 GMT+0 - Identified - The affected nodes are experiencing sync lag again. Our team continues to investigate and work towards a resolution. Jul 24, 13:16:52 GMT+0 - Identified - Impact has increased to Frankfurt region and nodes are experiencing increased response time for heavy requests. Our team continues to work towards resolution. Jul 24, 06:18:57 GMT+0 - Investigating - All upsttream nodes are lagging in Singapore. We are currently investigating this incident. Jul 24, 07:02:28 GMT+0 - Monitoring - We implemented a fix and are currently monitoring the result. Jul 24, 13:51:20 GMT+0 - Monitoring - We implemented a fix, response times have normalized and we will continue monitoring. Jul 30, 20:39:47 GMT+0 - Resolved - The issue has been resolved, and service performance has remained stable across the affected regions. Type: Incident

Duration: 6 days, 14 hours and 21 minutes

Affected Components:

<p><small>Jul <var data-var='date'> 24</var>, <var data-var='time'>08:37:43</var> GMT+0</small><br><strong>Identified</strong> - The affected nodes are experiencing sync lag again. Our team continues to investigate and work towards a resolution. .</p> <p><small>Jul <var data-var='date'> 24</var>, <var data-var='time'>13:16:52</var> GMT+0</small><br><strong>Identified</strong> - Impact has increased to Frankfurt region and nodes are experiencing increased response time for heavy requests. Our team continues to work towards resolution..</p> <p><small>Jul <var data-var='date'> 24</var>, <var data-var='time'>06:18:57</var> GMT+0</small><br><strong>Investigating</strong> - All upsttream nodes are lagging in Singapore. We are currently investigating this incident..</p> <p><small>Jul <var data-var='date'> 24</var>, <var data-var='time'>07:02:28</var> GMT+0</small><br><strong>Monitoring</strong> - We implemented a fix and are currently monitoring the result..</p> <p><small>Jul <var data-var='date'> 24</var>, <var data-var='time'>13:51:20</var> GMT+0</small><br><strong>Monitoring</strong> - We implemented a fix, response times have normalized and we will continue monitoring. .</p> <p><small>Jul <var data-var='date'> 30</var>, <var data-var='time'>20:39:47</var> GMT+0</small><br><strong>Resolved</strong> - The issue has been resolved, and service performance has remained stable across the affected regions..</p> ]]> Fri, 24 Jul 2026 06:18:57 +0000 https://status.chainstack.com/incident/cmryjuwo905br0rrux1lt5vq9 https://status.chainstack.com/incident/cmryjuwo905br0rrux1lt5vq9 Degraded Performance on BSC Testnet in the London Region Type: Incident Duration: 27 minutes Affected Components: BNB Smart Chain Testnet, BNB Smart Chain Testnet Full (Chainstack Cloud, London) Jul 23, 15:06:45 GMT+0 - Investigating - We are currently investigating this incident. Jul 23, 15:33:51 GMT+0 - Resolved - The issue was caused by peer connectivity on the affected BSC Testnet node. After updating the trusted peer list, the node successfully caught up and is now fully synced. Service has returned to normal. Type: Incident

Duration: 27 minutes

Affected Components: ,

<p><small>Jul <var data-var='date'> 23</var>, <var data-var='time'>15:06:45</var> GMT+0</small><br><strong>Investigating</strong> - We are currently investigating this incident..</p> <p><small>Jul <var data-var='date'> 23</var>, <var data-var='time'>15:33:51</var> GMT+0</small><br><strong>Resolved</strong> - The issue was caused by peer connectivity on the affected BSC Testnet node. After updating the trusted peer list, the node successfully caught up and is now fully synced. Service has returned to normal..</p> ]]> Thu, 23 Jul 2026 15:06:45 +0000 https://status.chainstack.com/incident/cmrxn9v120ckw1bmoatfe4t5r https://status.chainstack.com/incident/cmrxn9v120ckw1bmoatfe4t5r Urgent Scheduled infrastructure Maintanance (Chainstack Cloud, London, Frankfurt) Type: Maintenance Duration: 1 hour and 30 minutes Affected Components: Solana Mainnet Full (Chainstack Cloud, Frankfurt) Jul 22, 08:14:59 GMT+0 - Identified - We will be performing scheduled urgent maintenance in our Chainstack Cloud with a planned 90-minute maintenance window. This maintenance includes important infrastructure migration aimed at improving stability, performance, and ensuring the long-term reliability of our services in the region. During the window, Solana Trader nodes will be migrated from Chainstack Cloud, London to Frankfurt, which could result in brief connectivity interruptions, including short WebSocket (WS) interruptions that may require automatic reconnection. Our engineering team will closely monitor the process and work to minimize any disruption. Once the maintenance is completed, normal performance will be fully restored. We appreciate your patience and understanding as we carry out these improvements. Jul 23, 08:00:01 GMT+0 - Identified - Maintenance is now in progress Jul 23, 09:30:00 GMT+0 - Completed - Maintenance has completed successfully Type: Maintenance

Duration: 1 hour and 30 minutes

Affected Components:

<p><small>Jul <var data-var='date'> 22</var>, <var data-var='time'>08:14:59</var> GMT+0</small><br><strong>Identified</strong> - We will be performing scheduled urgent maintenance in our Chainstack Cloud with a planned 90-minute maintenance window. This maintenance includes important infrastructure migration aimed at improving stability, performance, and ensuring the long-term reliability of our services in the region. During the window, Solana Trader nodes will be migrated from Chainstack Cloud, London to Frankfurt, which could result in brief connectivity interruptions, including short WebSocket (WS) interruptions that may require automatic reconnection. Our engineering team will closely monitor the process and work to minimize any disruption. Once the maintenance is completed, normal performance will be fully restored. We appreciate your patience and understanding as we carry out these improvements..</p> <p><small>Jul <var data-var='date'> 23</var>, <var data-var='time'>08:00:01</var> GMT+0</small><br><strong>Identified</strong> - Maintenance is now in progress.</p> <p><small>Jul <var data-var='date'> 23</var>, <var data-var='time'>09:30:00</var> GMT+0</small><br><strong>Completed</strong> - Maintenance has completed successfully.</p> ]]> Thu, 23 Jul 2026 08:00:00 +0000 https://status.chainstack.com/maintenance/cmrvt4fap005o0kpec20h6oib https://status.chainstack.com/maintenance/cmrvt4fap005o0kpec20h6oib Polygon Erigon -> Bor EL migration Type: Maintenance Duration: 2 hours Affected Components: Polygon Mainnet Jul 23, 05:55:02 GMT+0 - Identified - We are planning for a scheduled maintenance during that time. Erigon EL will be decommissioned in favor of Bor EL as a Polygon backend Jul 23, 06:10:01 GMT+0 - Identified - Maintenance is now in progress Jul 23, 08:10:00 GMT+0 - Completed - Maintenance has completed successfully Type: Maintenance

Duration: 2 hours

Affected Components:

<p><small>Jul <var data-var='date'> 23</var>, <var data-var='time'>05:55:02</var> GMT+0</small><br><strong>Identified</strong> - We are planning for a scheduled maintenance during that time. Erigon EL will be decommissioned in favor of Bor EL as a Polygon backend.</p> <p><small>Jul <var data-var='date'> 23</var>, <var data-var='time'>06:10:01</var> GMT+0</small><br><strong>Identified</strong> - Maintenance is now in progress.</p> <p><small>Jul <var data-var='date'> 23</var>, <var data-var='time'>08:10:00</var> GMT+0</small><br><strong>Completed</strong> - Maintenance has completed successfully.</p> ]]> Thu, 23 Jul 2026 06:10:00 +0000 https://status.chainstack.com/maintenance/cmrx3kakw06wj0lmogqdcqhif https://status.chainstack.com/maintenance/cmrx3kakw06wj0lmogqdcqhif Urgent maintenance for Optimism Sepolia Type: Maintenance Duration: 1 hour Affected Components: Optimism Sepolia Testnet Jul 17, 13:56:47 GMT+0 - Identified - We are upgrading the network. During maintenence window you might experience abrupt disconnections and request failues. Jul 21, 06:30:01 GMT+0 - Identified - Maintenance is now in progress Jul 21, 07:30:00 GMT+0 - Completed - Maintenance has completed successfully Type: Maintenance

Duration: 1 hour

Affected Components:

<p><small>Jul <var data-var='date'> 17</var>, <var data-var='time'>13:56:47</var> GMT+0</small><br><strong>Identified</strong> - We are upgrading the network. During maintenence window you might experience abrupt disconnections and request failues..</p> <p><small>Jul <var data-var='date'> 21</var>, <var data-var='time'>06:30:01</var> GMT+0</small><br><strong>Identified</strong> - Maintenance is now in progress.</p> <p><small>Jul <var data-var='date'> 21</var>, <var data-var='time'>07:30:00</var> GMT+0</small><br><strong>Completed</strong> - Maintenance has completed successfully.</p> ]]> Tue, 21 Jul 2026 06:30:00 +0000 https://status.chainstack.com/maintenance/cmrp04pqk0cn60zlkk8soywyx https://status.chainstack.com/maintenance/cmrp04pqk0cn60zlkk8soywyx Gnosis Trader Nodes: Gnosis Mainnet Archive (Chainstack Cloud, London) migration from London to London2 with switching client from nethermind to erigon Type: Maintenance Duration: 2 hours Affected Components: Gnosis Mainnet Archive (Chainstack Cloud, London) Jul 14, 20:10:07 GMT+0 - Identified - Gnosis Mainnet Archive (Chainstack Cloud, London) migration from London to London2 with switching client from nethermind to erigon Jul 17, 17:00:01 GMT+0 - Identified - Maintenance is now in progress Jul 17, 19:00:00 GMT+0 - Completed - Maintenance has completed successfully Type: Maintenance

Duration: 2 hours

Affected Components:

<p><small>Jul <var data-var='date'> 14</var>, <var data-var='time'>20:10:07</var> GMT+0</small><br><strong>Identified</strong> - Gnosis Mainnet Archive (Chainstack Cloud, London) migration from London to London2 with switching client from nethermind to erigon.</p> <p><small>Jul <var data-var='date'> 17</var>, <var data-var='time'>17:00:01</var> GMT+0</small><br><strong>Identified</strong> - Maintenance is now in progress.</p> <p><small>Jul <var data-var='date'> 17</var>, <var data-var='time'>19:00:00</var> GMT+0</small><br><strong>Completed</strong> - Maintenance has completed successfully.</p> ]]> Fri, 17 Jul 2026 17:00:00 +0000 https://status.chainstack.com/maintenance/cmrl359xy01id0rpg95dpqnfy https://status.chainstack.com/maintenance/cmrl359xy01id0rpg95dpqnfy Gnosis Trader Nodes: Gnosis Mainnet Full (Chainstack Cloud, London) migration from London to London2 Type: Maintenance Duration: 6 hours and 28 minutes Affected Components: Gnosis Mainnet Full (Chainstack Cloud, London) Jul 6, 20:09:24 GMT+0 - Identified - Gnosis Trader Nodes: Gnosis Mainnet Full (Chainstack Cloud, London) migration from London to London2 Jul 9, 17:02:36 GMT+0 - Identified - Maintenance is now in progress. Jul 9, 17:18:08 GMT+0 - Identified - Maintenance didn't start yet. Jul 9, 22:00:01 GMT+0 - Identified - Maintenance is now in progress Jul 9, 23:30:09 GMT+0 - Completed - Maintenance has completed successfully. Type: Maintenance

Duration: 6 hours and 28 minutes

Affected Components:

<p><small>Jul <var data-var='date'> 6</var>, <var data-var='time'>20:09:24</var> GMT+0</small><br><strong>Identified</strong> - Gnosis Trader Nodes: Gnosis Mainnet Full (Chainstack Cloud, London) migration from London to London2.</p> <p><small>Jul <var data-var='date'> 9</var>, <var data-var='time'>17:02:36</var> GMT+0</small><br><strong>Identified</strong> - Maintenance is now in progress..</p> <p><small>Jul <var data-var='date'> 9</var>, <var data-var='time'>17:18:08</var> GMT+0</small><br><strong>Identified</strong> - Maintenance didn't start yet..</p> <p><small>Jul <var data-var='date'> 9</var>, <var data-var='time'>22:00:01</var> GMT+0</small><br><strong>Identified</strong> - Maintenance is now in progress.</p> <p><small>Jul <var data-var='date'> 9</var>, <var data-var='time'>23:30:09</var> GMT+0</small><br><strong>Completed</strong> - Maintenance has completed successfully..</p> ]]> Thu, 9 Jul 2026 22:00:00 +0000 https://status.chainstack.com/maintenance/cmr9nlivi0nwb0zqg1jh8lo4e https://status.chainstack.com/maintenance/cmr9nlivi0nwb0zqg1jh8lo4e Urgent Infrastructure Maintenance (Chainstack Cloud, Los Angeles) Type: Maintenance Duration: 1 hour Affected Components: ZKsync Era Mainnet Archive (Chainstack Cloud, Los Angeles) , ZKsync Era Mainnet, Avalanche Mainnet, Bitcoin Mainnet, Base Mainnet, Avalanche Mainnet Full (Chainstack Cloud, Los Angeles), Arbitrum One Mainnet, Optimism Mainnet Full (Chainstack Cloud, Los Angeles), Ethereum Mainnet, Ethereum Mainnet Beacon, Optimism Mainnet, Polygon Mainnet, Arbitrum Sepolia, Base Mainnet Archive (Chainstack Cloud, Los Angeles), Base Mainnet Full (Chainstack Cloud, Los Angeles) Jul 8, 12:00:52 GMT+0 - Identified - Dear Valued Users, We would like to inform you that we will be conducting urgent network maintenance in Chainstack Cloud, Los Angeles to improve reliability and overall service performance. We will upgrade underlying systems during this window. Services will might remain unavailable and network disruptions may occur including short WebSocket (WS) interruptions that may require automatic reconnection. We apologize for any inconvenience this may cause and appreciate your patience as we continue to improve our services. If you have any questions or concerns, please don’t hesitate to contact us. Thank you for your understanding. Jul 9, 02:30:01 GMT+0 - Identified - Maintenance is now in progress Jul 9, 03:30:00 GMT+0 - Completed - Maintenance has completed successfully Type: Maintenance

Duration: 1 hour

Affected Components: , , , , , , , , , , , , , ,

<p><small>Jul <var data-var='date'> 8</var>, <var data-var='time'>12:00:52</var> GMT+0</small><br><strong>Identified</strong> - Dear Valued Users, We would like to inform you that we will be conducting urgent network maintenance in Chainstack Cloud, Los Angeles to improve reliability and overall service performance. We will upgrade underlying systems during this window. Services will might remain unavailable and network disruptions may occur including short WebSocket (WS) interruptions that may require automatic reconnection. We apologize for any inconvenience this may cause and appreciate your patience as we continue to improve our services. If you have any questions or concerns, please don’t hesitate to contact us. Thank you for your understanding..</p> <p><small>Jul <var data-var='date'> 9</var>, <var data-var='time'>02:30:01</var> GMT+0</small><br><strong>Identified</strong> - Maintenance is now in progress.</p> <p><small>Jul <var data-var='date'> 9</var>, <var data-var='time'>03:30:00</var> GMT+0</small><br><strong>Completed</strong> - Maintenance has completed successfully.</p> ]]> Thu, 9 Jul 2026 02:30:00 +0000 https://status.chainstack.com/maintenance/cmrc10zai01nt1apqg0m92442 https://status.chainstack.com/maintenance/cmrc10zai01nt1apqg0m92442 Urgent Infrastructure Maintenance (Chainstack Cloud, london) Type: Maintenance Duration: 1 hour and 30 minutes Affected Components: BNB Smart Chain Mainnet Full (Chainstack Cloud, London), Ethereum Mainnet Archive (Chainstack Cloud, London), Polygon Mainnet Full (Chainstack Cloud, London), BNB Smart Chain Mainnet Archive (Chainstack Cloud, London), Ethereum Mainnet Beacon (Chainstack Cloud, London), BNB Smart Chain Testnet Full (Chainstack Cloud, London) Jul 7, 21:03:01 GMT+0 - Identified - Dear Valued Users, We would like to inform you that we will be conducting urgent network maintenance in Chainstack Cloud, New York, to improve network reliability and overall service performance. During this maintenance window, we will be upgrading underlying network systems. While services are expected to remain available, users may experience brief connectivity interruptions, including short-lived WebSocket (WS) disconnects that may require automatic reconnection. Services with high request volumes, such as Solana Trader Nodes, may also experience a small number of transient HTTP 503 (Service Unavailable) responses during the maintenance window. We apologize for any inconvenience this may cause and appreciate your patience as we continue to improve the reliability and performance of our services. If you have any questions or concerns, please do not hesitate to contact us. Thank you for your understanding. Jul 8, 06:00:01 GMT+0 - Identified - Maintenance is now in progress Jul 8, 07:30:00 GMT+0 - Completed - Maintenance has completed successfully Type: Maintenance

Duration: 1 hour and 30 minutes

Affected Components: , , , , ,

<p><small>Jul <var data-var='date'> 7</var>, <var data-var='time'>21:03:01</var> GMT+0</small><br><strong>Identified</strong> - Dear Valued Users, We would like to inform you that we will be conducting urgent network maintenance in Chainstack Cloud, New York, to improve network reliability and overall service performance. During this maintenance window, we will be upgrading underlying network systems. While services are expected to remain available, users may experience brief connectivity interruptions, including short-lived WebSocket (WS) disconnects that may require automatic reconnection. Services with high request volumes, such as Solana Trader Nodes, may also experience a small number of transient HTTP 503 (Service Unavailable) responses during the maintenance window. We apologize for any inconvenience this may cause and appreciate your patience as we continue to improve the reliability and performance of our services. If you have any questions or concerns, please do not hesitate to contact us. Thank you for your understanding..</p> <p><small>Jul <var data-var='date'> 8</var>, <var data-var='time'>06:00:01</var> GMT+0</small><br><strong>Identified</strong> - Maintenance is now in progress.</p> <p><small>Jul <var data-var='date'> 8</var>, <var data-var='time'>07:30:00</var> GMT+0</small><br><strong>Completed</strong> - Maintenance has completed successfully.</p> ]]> Wed, 8 Jul 2026 06:00:00 +0000 https://status.chainstack.com/maintenance/cmrb4ybzc005m0kpdvqnq00w8 https://status.chainstack.com/maintenance/cmrb4ybzc005m0kpdvqnq00w8 Urgent Infrastructure Maintenance (Chainstack Cloud, Ashburn) Type: Maintenance Duration: 1 hour and 30 minutes Affected Components: Celo Mainnet, Unichain Mainnet, Cronos Mainnet, BNB Smart Chain Mainnet, BNB Smart Chain Testnet, BNB Smart Chain Mainnet Full (Chainstack Cloud, Ashburn), Unichain Sepolia, Ronin Mainnet, Base Mainnet, Sui Mainnet, Optimism Mainnet, Optimism Sepolia Testnet, Polygon Mainnet Full (Chainstack Cloud, Ashburn), Polygon Mainnet Archive (Chainstack Cloud, Ashburn), Polygon Mainnet, Sui Testnet Jul 7, 15:57:18 GMT+0 - Identified - Dear Valued Users, We would like to inform you that we will be conducting urgent network maintenance in Chainstack Cloud, Aahburn to improve reliability and overall service performance. We will upgrade underlying systems during this window. Services will might remain unavailable and network disruptions may occur including short WebSocket (WS) interruptions that may require automatic reconnection. We apologize for any inconvenience this may cause and appreciate your patience as we continue to improve our services. If you have any questions or concerns, please don’t hesitate to contact us. Thank you for your understanding. Jul 8, 03:30:01 GMT+0 - Identified - Maintenance is now in progress Jul 8, 05:00:00 GMT+0 - Completed - Maintenance has completed successfully Type: Maintenance

Duration: 1 hour and 30 minutes

Affected Components: , , , , , , , , , , , , , , ,

<p><small>Jul <var data-var='date'> 7</var>, <var data-var='time'>15:57:18</var> GMT+0</small><br><strong>Identified</strong> - Dear Valued Users, We would like to inform you that we will be conducting urgent network maintenance in Chainstack Cloud, Aahburn to improve reliability and overall service performance. We will upgrade underlying systems during this window. Services will might remain unavailable and network disruptions may occur including short WebSocket (WS) interruptions that may require automatic reconnection. We apologize for any inconvenience this may cause and appreciate your patience as we continue to improve our services. If you have any questions or concerns, please don’t hesitate to contact us. Thank you for your understanding..</p> <p><small>Jul <var data-var='date'> 8</var>, <var data-var='time'>03:30:01</var> GMT+0</small><br><strong>Identified</strong> - Maintenance is now in progress.</p> <p><small>Jul <var data-var='date'> 8</var>, <var data-var='time'>05:00:00</var> GMT+0</small><br><strong>Completed</strong> - Maintenance has completed successfully.</p> ]]> Wed, 8 Jul 2026 03:30:00 +0000 https://status.chainstack.com/maintenance/cmrau16jn09ua1apikcd1z9xg https://status.chainstack.com/maintenance/cmrau16jn09ua1apikcd1z9xg Urgent Infrastructure Maintenance (Chainstack Cloud, Los Angeles) Type: Maintenance Duration: 1 hour and 30 minutes Affected Components: Zora Mainnet, ZKsync Era Mainnet Archive (Chainstack Cloud, Los Angeles) , Arbitrum One Mainnet, Ethereum Hoodi Testnet, Arbitrum One Mainnet Full (Chainstack Cloud, Los Angeles), Base Mainnet, Starknet Mainnet, Arbitrum One Mainnet Archive (Chainstack Cloud, Los Angeles), Ethereum Mainnet, Ethereum Mainnet Beacon, Optimism Mainnet, Arbitrum Sepolia, Ethereum Sepolia Testnet, Ethereum Sepolia Testnet Beacon, Base Mainnet Archive (Chainstack Cloud, Los Angeles), Base Mainnet Full (Chainstack Cloud, Los Angeles) Jul 7, 07:00:00 GMT+0 - Completed - Maintenance has completed successfully Jul 6, 13:17:58 GMT+0 - Identified - Dear Valued Users, We would like to inform you that we will be conducting urgent network maintenance in Chainstack Cloud, Los Angeles to improve reliability and overall service performance. We will upgrade underlying systems during this window. Services will might remain unavailable and network disruptions may occur including short WebSocket (WS) interruptions that may require automatic reconnection. We apologize for any inconvenience this may cause and appreciate your patience as we continue to improve our services. If you have any questions or concerns, please don’t hesitate to contact us. Thank you for your understanding. Jul 7, 05:30:01 GMT+0 - Identified - Maintenance is now in progress Type: Maintenance

Duration: 1 hour and 30 minutes

Affected Components: , , , , , , , , , , , , , , ,

<p><small>Jul <var data-var='date'> 7</var>, <var data-var='time'>07:00:00</var> GMT+0</small><br><strong>Completed</strong> - Maintenance has completed successfully.</p> <p><small>Jul <var data-var='date'> 6</var>, <var data-var='time'>13:17:58</var> GMT+0</small><br><strong>Identified</strong> - Dear Valued Users, We would like to inform you that we will be conducting urgent network maintenance in Chainstack Cloud, Los Angeles to improve reliability and overall service performance. We will upgrade underlying systems during this window. Services will might remain unavailable and network disruptions may occur including short WebSocket (WS) interruptions that may require automatic reconnection. We apologize for any inconvenience this may cause and appreciate your patience as we continue to improve our services. If you have any questions or concerns, please don’t hesitate to contact us. Thank you for your understanding..</p> <p><small>Jul <var data-var='date'> 7</var>, <var data-var='time'>05:30:01</var> GMT+0</small><br><strong>Identified</strong> - Maintenance is now in progress.</p> ]]> Tue, 7 Jul 2026 05:30:00 +0000 https://status.chainstack.com/maintenance/cmr98wfe6190r0rqfvf1by4j3 https://status.chainstack.com/maintenance/cmr98wfe6190r0rqfvf1by4j3 Urgent Infrastructure Maintenance (Chainstack Cloud, Singapore) Type: Maintenance Duration: 1 hour Affected Components: Cronos Mainnet, BNB Smart Chain Mainnet, Tempo Moderato Testnet, TON Testnet API v2, Ronin Mainnet, TON Mainnet API v3, Sui Mainnet, Plasma Mainnet, BNB Smart Chain Mainnet Full (Chainstack Cloud, Singapore), Ethereum Mainnet, TON Mainnet API v2, Ethereum Mainnet Beacon (Chainstack Cloud, Singapore), TON Testnet API v3, Solana Mainnet, Sui Testnet Jul 6, 11:48:47 GMT+0 - Identified - Dear Valued Users, We would like to inform you that we will be conducting urgent network maintenance in Chainstack Cloud, Singapore to improve reliability and overall service performance. We will upgrade underlying systems during this window. Services will might remain unavailable and network disruptions may occur including short WebSocket (WS) interruptions that may require automatic reconnection. We apologize for any inconvenience this may cause and appreciate your patience as we continue to improve our services. If you have any questions or concerns, please don’t hesitate to contact us. Thank you for your understanding. Jul 7, 03:30:01 GMT+0 - Identified - Maintenance is now in progress Jul 7, 04:30:00 GMT+0 - Completed - Maintenance has completed successfully Type: Maintenance

Duration: 1 hour

Affected Components: , , , , , , , , , , , , , ,

<p><small>Jul <var data-var='date'> 6</var>, <var data-var='time'>11:48:47</var> GMT+0</small><br><strong>Identified</strong> - Dear Valued Users, We would like to inform you that we will be conducting urgent network maintenance in Chainstack Cloud, Singapore to improve reliability and overall service performance. We will upgrade underlying systems during this window. Services will might remain unavailable and network disruptions may occur including short WebSocket (WS) interruptions that may require automatic reconnection. We apologize for any inconvenience this may cause and appreciate your patience as we continue to improve our services. If you have any questions or concerns, please don’t hesitate to contact us. Thank you for your understanding..</p> <p><small>Jul <var data-var='date'> 7</var>, <var data-var='time'>03:30:01</var> GMT+0</small><br><strong>Identified</strong> - Maintenance is now in progress.</p> <p><small>Jul <var data-var='date'> 7</var>, <var data-var='time'>04:30:00</var> GMT+0</small><br><strong>Completed</strong> - Maintenance has completed successfully.</p> ]]> Tue, 7 Jul 2026 03:30:00 +0000 https://status.chainstack.com/maintenance/cmr95pqfs10w21amjtee8j74y https://status.chainstack.com/maintenance/cmr95pqfs10w21amjtee8j74y Planned Network Maintenance Chainstack Cloud, New York Type: Maintenance Duration: 6 hours Affected Components: Monad Mainnet Jul 2, 04:41:21 GMT+0 - Identified - Dear Valued Users, We would like to inform you that we will be conducting planned network maintenance in Chainstack Cloud, New York to improve reliability and overall service performance. During the maintenance window, nodes hosted in the NYC region may experience brief periods of intermittent packet loss or increased latency. We expect any impact to be minimal and short-lived. No action is required on your part. We will provide an update once the maintenance has been completed. We apologize for any inconvenience this may cause and appreciate your patience as we continue to improve our services. If you have any questions or concerns, please don’t hesitate to contact us. Thank you for your understanding. Jul 7, 03:00:01 GMT+0 - Identified - Maintenance is now in progress Jul 7, 09:00:00 GMT+0 - Completed - Maintenance has completed successfully Type: Maintenance

Duration: 6 hours

Affected Components:

<p><small>Jul <var data-var='date'> 2</var>, <var data-var='time'>04:41:21</var> GMT+0</small><br><strong>Identified</strong> - Dear Valued Users, We would like to inform you that we will be conducting planned network maintenance in Chainstack Cloud, New York to improve reliability and overall service performance. During the maintenance window, nodes hosted in the NYC region may experience brief periods of intermittent packet loss or increased latency. We expect any impact to be minimal and short-lived. No action is required on your part. We will provide an update once the maintenance has been completed. We apologize for any inconvenience this may cause and appreciate your patience as we continue to improve our services. If you have any questions or concerns, please don’t hesitate to contact us. Thank you for your understanding..</p> <p><small>Jul <var data-var='date'> 7</var>, <var data-var='time'>03:00:01</var> GMT+0</small><br><strong>Identified</strong> - Maintenance is now in progress.</p> <p><small>Jul <var data-var='date'> 7</var>, <var data-var='time'>09:00:00</var> GMT+0</small><br><strong>Completed</strong> - Maintenance has completed successfully.</p> ]]> Tue, 7 Jul 2026 03:00:00 +0000 https://status.chainstack.com/maintenance/cmr30omzm01py0lpbutcxitbn https://status.chainstack.com/maintenance/cmr30omzm01py0lpbutcxitbn Scheduled Backend Infrastructure Maintenance (Chainstack Cloud, Ashburn) Type: Maintenance Duration: 1 hour and 30 minutes Affected Components: Unichain Mainnet, Cronos Mainnet, Unichain Sepolia Jul 3, 07:23:25 GMT+0 - Identified - Dear valued users. We want to inform you that we will be conducting infrastructure maintenance on Chainstack Cloud, Ashburn. During this maintenance, we will upgrade infra which can cause short network disruptions. We apologize for any inconvenience this may cause and appreciate your patience as we work to improve our services. If you have any questions or concerns, please don't hesitate to contact us. Thank you for your understanding. Jul 6, 16:59:01 GMT+0 - Identified - Maintenance is now in progress Jul 6, 18:29:00 GMT+0 - Completed - Maintenance has completed successfully Type: Maintenance

Duration: 1 hour and 30 minutes

Affected Components: , ,

<p><small>Jul <var data-var='date'> 3</var>, <var data-var='time'>07:23:25</var> GMT+0</small><br><strong>Identified</strong> - Dear valued users. We want to inform you that we will be conducting infrastructure maintenance on Chainstack Cloud, Ashburn. During this maintenance, we will upgrade infra which can cause short network disruptions. We apologize for any inconvenience this may cause and appreciate your patience as we work to improve our services. If you have any questions or concerns, please don't hesitate to contact us. Thank you for your understanding..</p> <p><small>Jul <var data-var='date'> 6</var>, <var data-var='time'>16:59:01</var> GMT+0</small><br><strong>Identified</strong> - Maintenance is now in progress.</p> <p><small>Jul <var data-var='date'> 6</var>, <var data-var='time'>18:29:00</var> GMT+0</small><br><strong>Completed</strong> - Maintenance has completed successfully.</p> ]]> Mon, 6 Jul 2026 16:59:00 +0000 https://status.chainstack.com/maintenance/cmr4lwwtw07690kqfgjtzevv7 https://status.chainstack.com/maintenance/cmr4lwwtw07690kqfgjtzevv7 Urgent Infrastructure Maintenance (Chainstack Cloud, London) Type: Maintenance Duration: 1 hour Affected Components: TRON Mainnet, Ronin Mainnet, Ronin Saigon, Gnosis Chain Mainnet, Sui Mainnet, Starknet Mainnet, Aptos Testnet, Optimism Mainnet, Optimism Sepolia Testnet, TRON Nile Testnet, Solana Mainnet Full (Chainstack Cloud, Frankfurt), Solana Mainnet, Arbitrum Sepolia, Sui Testnet Jul 5, 15:52:40 GMT+0 - Identified - Dear Valued Users, We would like to inform you that we will be conducting urgent network maintenance in Chainstack Cloud, London to improve reliability and overall service performance. We will upgrade underlying systems during this window. Services will might remain unavailable and network disruptions may occur including short WebSocket (WS) interruptions that may require automatic reconnection. We apologize for any inconvenience this may cause and appreciate your patience as we continue to improve our services. If you have any questions or concerns, please don’t hesitate to contact us. Thank you for your understanding. Jul 6, 04:30:01 GMT+0 - Identified - Maintenance is now in progress Jul 6, 05:30:00 GMT+0 - Completed - Maintenance has completed successfully Type: Maintenance

Duration: 1 hour

Affected Components: , , , , , , , , , , , , ,

<p><small>Jul <var data-var='date'> 5</var>, <var data-var='time'>15:52:40</var> GMT+0</small><br><strong>Identified</strong> - Dear Valued Users, We would like to inform you that we will be conducting urgent network maintenance in Chainstack Cloud, London to improve reliability and overall service performance. We will upgrade underlying systems during this window. Services will might remain unavailable and network disruptions may occur including short WebSocket (WS) interruptions that may require automatic reconnection. We apologize for any inconvenience this may cause and appreciate your patience as we continue to improve our services. If you have any questions or concerns, please don’t hesitate to contact us. Thank you for your understanding..</p> <p><small>Jul <var data-var='date'> 6</var>, <var data-var='time'>04:30:01</var> GMT+0</small><br><strong>Identified</strong> - Maintenance is now in progress.</p> <p><small>Jul <var data-var='date'> 6</var>, <var data-var='time'>05:30:00</var> GMT+0</small><br><strong>Completed</strong> - Maintenance has completed successfully.</p> ]]> Mon, 6 Jul 2026 04:30:00 +0000 https://status.chainstack.com/maintenance/cmr7yzim30zjv0rqf6qrixlpt https://status.chainstack.com/maintenance/cmr7yzim30zjv0rqf6qrixlpt