All Systems Operational

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Welcome to service status of Subscan.io! Click “subscribe to updates” at the top right corner to get notifications for scheduled maintenance and service interruptions.

Want to retrieve chain data of Polkadot, Kusama, or other network in your app? Check out Subscan API documentation and get an API key for free!

Uptime over the past 90 days. View historical uptime.
Subscan Polkadot API Operational
Subscan Kusama API Operational
Subscan Moonbeam API Operational
Subscan Moonriver API Operational
Other Networks Operational
Subscan Karura API Operational
Subscan Westend API Operational
Subscan Canary-Matrix API Operational
Subscan Altair API Operational
Subscan Acala API Operational
Subscan Manta API Operational
Subscan Statemint API Operational
Subscan Assethub-Kusama API Operational
Subscan Creditcoin3-Dev API Operational
Subscan Centrifuge API Operational
Subscan Centrifuge-Standalone-History API Operational
Subscan Agung-Testnet API Operational
Subscan Bridgehub-Polkadot API Operational
Subscan Khala API Operational
Subscan Astar API Operational
Subscan Enjin API Operational
Subscan Bifrost API Operational
Subscan Polymesh-Testnet API Operational
Subscan Stafi API Operational
Subscan Alephzero API Operational
Subscan Acala-Testnet API Operational
Subscan Collectives API Operational
Subscan Calamari API Operational
Subscan Humanode API Operational
Subscan Crust-Parachain API Operational
Subscan Phala API Operational
Subscan Basilisk API Operational
Subscan Matrix API Operational
Subscan Dbc API Operational
Subscan Polymesh API Operational
Subscan Shiden API Operational
Subscan Canary API Operational
Subscan Unique API Operational
Subscan Sora API Operational
Subscan Assethub-Polkadot API Operational
Subscan Crust API Operational
Subscan Darwinia API Operational
Subscan Dock API Operational
Subscan Bifrost-Kusama API Operational
Subscan Moonbase API Operational
Subscan Krest API Operational
Subscan Vara API Operational
Subscan Statemine API Operational
Subscan Shibuya API Operational
Subscan Robonomics API Operational
Subscan Clover API Operational
Subscan Neuroweb-Testnet API Operational
Subscan Neuroweb API Operational
Subscan Creditcoin3-Testnet API Operational
Subscan Opal API Operational
Subscan Paseo API Operational
Subscan Peaq API Operational
Subscan Coretime-Kusama API Operational
Subscan Coretime-Westend API Operational
Subscan Avail-Turing API Operational
Subscan Pendulum API Operational
Subscan Assethub-Westend API Operational
Subscan Bridgehub-Kusama API Operational
Subscan Bridgehub-Westend API Operational
Subscan Mythos API Operational
Subscan Avail API Operational
Subscan Energywebx-Testnet API Operational
Subscan Hydration API Operational
Subscan Energywebx API Operational
Subscan Collectives-Polkadot API Operational
Subscan People-Kusama API Operational
Subscan People-Polkadot API Operational
Subscan Bridgehub-Paseo API Operational
Subscan Assethub-Paseo API Operational
Subscan Cc-Enterprise-Testnet API Operational
Subscan Creditcoin API Operational
Subscan Cc-Enterprise API Operational
Subscan Coretime-Polkadot API Operational
Subscan Autonomys API Operational
Subscan Zkverify-Testnet API Operational
Subscan Gasp API Operational
Subscan Heima API Operational
Subscan Coretime-Paseo API Operational
Subscan People-Paseo API Operational
Subscan Sxt API Operational
Subscan Sxt-Testnet API Operational
Subscan People-Westend API Operational
Subscan Reef API Operational
Subscan Midnight-Testnet API Operational
Subscan Vflow-Testnet API Operational
Subscan Autonomys-Chronos API Operational
Subscan Vflow API Operational
Subscan Zkverify API Operational
Subscan Passethub-Paseo API Operational
Subscan Passet-Hub API Operational
Subscan Midnight-Preview API Operational
Third-party Services Operational
Google Cloud Platform Google Compute Engine Operational
Google Cloud Platform Google Kubernetes Engine Operational
Google Cloud Platform Google Cloud Networking Operational
Google Cloud Platform Google Cloud SQL Operational
Google Cloud Platform Google Cloud Storage Operational
Cloudflare Cloudflare Firewall Operational
Cloudflare CDN/Cache Operational
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance
Major outage
Partial outage
No downtime recorded on this day.
No data exists for this day.
had a major outage.
had a partial outage.

No incidents or maintenance related to this downtime.

Scheduled Maintenance

Subscan Regular Maintenance Sep 29, 2026 00:00-04:00 UTC

Subscan will perform routine infrastructure maintenance.

During this maintenance window, APIs across all supported networks may experience degraded performance or up to five brief interruptions, each lasting approximately 5 to 10 minutes.

Updates will be posted on this page as needed.
Posted on Sep 02, 2026 - 02:02 UTC
System Metrics Month Week Day
API Request Success Rate (SLA Covered Networks)
Fetching
API Response Duration 95th Quantile
Fetching
Request Processed per Second
Fetching

Sep 18, 2026

No incidents reported today.

Sep 17, 2026

Subscan Regular Maintenance
Completed - Scheduled maintenance is complete. All affected services are available. Thank you for your patience.
Sep 17, 12:55 UTC
Verifying - Maintenance for Bifrost, Peaq, and Enjin Relay is complete. Data updates have resumed, and APIs are operating normally. All planned network transitions are complete. We are performing final checks before closing this maintenance.
Sep 17, 12:46 UTC
Update - Maintenance is now starting for Bifrost, Peaq, and Enjin Relay. Data updates may briefly pause, and API requests may require a retry during the transition. Other networks remain available. We will post an update when this batch is complete.
Sep 17, 12:41 UTC
Update - Maintenance for Kusama is complete. Data updates have resumed, and APIs are operating normally. Further maintenance will continue in batches, with updates posted before each transition.
Sep 17, 11:13 UTC
Update - Maintenance is now starting for Kusama. Data updates may briefly pause, and API requests may require a retry during the transition. Other networks remain available. We will post an update when this batch is complete.
Sep 17, 11:05 UTC
Update - Maintenance for Astar, Avail, Crust, and Enjin Matrix is complete. Data updates have resumed, and APIs are operating normally. Further maintenance will continue in batches, with updates posted before each transition.
Sep 17, 11:01 UTC
Update - Maintenance is now starting for Astar, Avail, Crust, and Enjin Matrix. Data updates may briefly pause, and API requests may require a retry during the transition. Other networks remain available. We will post an update when this batch is complete.
Sep 17, 10:56 UTC
Update - Maintenance for Alephzero Lite, Assethub-Westend Lite, and Paseo Lite is complete. Data updates have resumed, and APIs are operating normally. Further maintenance will continue in batches, with updates posted before each affected batch.
Sep 17, 09:46 UTC
Update - Maintenance is now starting for Alephzero Lite, Assethub-Westend Lite, and Paseo Lite. Data updates may briefly pause, and API requests may require a retry during the transition. Other services remain available. We will post an update when this batch is complete.
Sep 17, 09:41 UTC
Update - Maintenance for Altair, Bridgehub Kusama, Bridgehub Polkadot, Collectives Polkadot, Crust Parachain, Energywebx, Vflow, ZKVerify, Moonbeam, and Vara is complete. Services have resumed, and APIs are operating normally. Further maintenance will continue in batches, with updates posted before each affected batch.
Sep 17, 09:14 UTC
Update - Maintenance is now starting for Altair, Bridgehub Kusama, Bridgehub Polkadot, Collectives Polkadot, Crust Parachain, Energywebx, Vflow, ZKVerify, Moonbeam, and Vara. Data updates may briefly pause, and API requests may require a retry during the transition. Other networks remain available. We will post an update when this batch is complete.
Sep 17, 09:04 UTC
Update - Maintenance for Assethub Paseo, Autonomys Chronos, Midnight Preprod, Midnight Preview, People Westend, ZKVerify Testnet, and Vflow Testnet is complete. Services have resumed, and APIs are operating normally. Further maintenance will continue in batches, with updates posted before each affected batch.
Sep 17, 08:20 UTC
Update - Maintenance is now starting for Assethub Paseo, Autonomys Chronos, Midnight Preprod, Midnight Preview, People Westend, ZKVerify Testnet, and Vflow Testnet. Data updates may briefly pause, and API requests may experience brief interruptions. Other networks remain available. We will post an update when this batch is complete.
Sep 17, 08:11 UTC
Update - Maintenance for ZKVerify, ZKVerify Testnet, and SXT is complete. Data updates have resumed, and APIs are operating normally. Further maintenance will continue in batches, with updates posted before each affected batch.
Sep 17, 07:42 UTC
Update - Maintenance is now starting for ZKVerify, ZKVerify Testnet, and SXT. Data updates may briefly pause, and API requests may experience brief interruptions. Other networks remain available. We will post an update when this batch is complete.
Sep 17, 07:30 UTC
Update - Maintenance is continuing in batches beyond the original maintenance window. Network services remain available during preparation. Any brief interruption to data updates will be limited to the networks in the active batch. We will announce each affected batch here and confirm when its maintenance is complete.
Sep 17, 05:57 UTC
Update - Maintenance for Autonomys, Centrifuge, Coretime Polkadot, Creditcoin, Midnight (Mainnet), People Kusama, People Polkadot, and Robonomics is complete. APIs are operating normally, and data updates have resumed for active networks. Further maintenance will continue in batches, with updates posted before each affected batch.
Sep 17, 05:16 UTC
Update - Maintenance is now starting for Autonomys, Centrifuge, Coretime Polkadot, Creditcoin, Midnight (Mainnet), People Kusama, People Polkadot, and Robonomics. Data updates may briefly pause, and API requests may experience brief interruptions. Other networks remain available. We will post an update when this batch is complete.
Sep 17, 05:08 UTC
Update - Maintenance for People-Westend is complete. Data updates have resumed, and APIs are operating normally. Further maintenance will continue in batches, with updates posted before each affected batch.
Sep 17, 04:30 UTC
Update - Maintenance is now starting for People-Westend. Data updates may briefly pause, and API requests may experience brief interruptions. Other networks remain available. We will post an update when this batch is complete.
Sep 17, 04:24 UTC
Update - Maintenance for Bridgehub Polkadot is complete. Data updates have resumed, and APIs are operating normally. Further maintenance will continue in batches, with updates posted before each affected batch.
Sep 17, 03:44 UTC
Update - Maintenance is now starting for Bridgehub Polkadot. Data updates may briefly pause, and API requests may experience brief interruptions. Other networks remain available. We will post an update when this batch is complete.
Sep 17, 03:39 UTC
Update - Maintenance for Vflow and Vflow Testnet is complete. Data updates have resumed, and APIs are operating normally. Maintenance for other networks will continue in batches; updates will be posted before each affected batch.
Sep 17, 03:32 UTC
Update - Maintenance is now starting for Vflow and Vflow Testnet. Data updates may briefly pause, and API requests may experience brief interruptions. Other networks remain available. We will post an update when this batch is complete.
Sep 17, 03:18 UTC
Update - Maintenance is starting for Vflow Testnet. Data updates may briefly pause, and API requests may experience brief interruptions. Other networks remain available. We will post an update when this batch is complete.
Sep 17, 03:15 UTC
Update - Maintenance preparations are underway. Network services remain available. Maintenance will proceed in batches, and only the networks in the active batch will be marked as affected. We will provide updates before each batch begins and after it is complete.
Sep 17, 03:02 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Sep 17, 02:00 UTC
Scheduled - Subscan will perform routine infrastructure maintenance.

Maintenance will be carried out in batches, affecting one network or a small group of networks at a time. Other networks will remain available. During each batch, data updates on affected networks may be briefly delayed, and API requests may experience brief interruptions or degraded performance.

Progress updates will be posted on this page. Any additional maintenance windows will be announced separately.
Sep 14, 06:22 UTC

Sep 16, 2026

No incidents reported.

Sep 15, 2026

No incidents reported.

Sep 14, 2026

No incidents reported.

Sep 13, 2026

No incidents reported.

Sep 12, 2026

No incidents reported.

Sep 11, 2026

No incidents reported.

Sep 10, 2026

No incidents reported.

Sep 9, 2026

No incidents reported.

Sep 8, 2026

No incidents reported.

Sep 7, 2026

No incidents reported.

Sep 6, 2026

No incidents reported.

Sep 5, 2026

No incidents reported.

Sep 4, 2026

No incidents reported.

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