All Systems Operational

Uptime over the past 90 days. View historical uptime.
Website Operational
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Mainnet Operational
Public RPC API Operational
Deposits Operational
Withdrawals Operational
Batch submission Operational
Block production Operational
Flashblocks Operational
Transaction pool Operational
Snapshots Operational
Client Software Operational
Testnet Operational
Public RPC API Operational
Deposits Operational
Withdrawals Operational
Batch submission Operational
Block production Operational
Flashblocks Operational
Transaction pool Operational
Snapshots Operational
Client Software Operational
Bridge (Mainnet) Operational
Bridge (Testnet) Operational
Operational
Degraded Performance
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Major outage
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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

V1 Node Snapshot Deprecation: October 5th, 2026 Oct 5, 2026 12:00 - Oct 6, 2026 12:00 UTC

Effective Oct 5, 2026: Base will stop publishing V1 node database snapshots. Existing V1 snapshots will no longer be provided past this date.

Download V2 Snapshots here: chain.base.org/snapshots

Instructions: docs.base.org/specifications/node-operators/snapshots
Posted on Sep 29, 2026 - 14:55 UTC

mainnet.base.org public RPC changes: October 8th, 2026 Oct 8, 2026 12:00 - Oct 9, 2026 12:00 UTC

Starting Oct 8, 2026, mainnet.base.org will no longer serve the debug, trace, and txpool namespaces, and read requests will be subject to a lower rate limit. The endpoint remains free and best-effort for basic reads.

Apps that use these namespaces or need higher throughput should move to a dedicated RPC provider before Oct 8. See our supported providers: https://docs.base.org/get-started/base-services-hub#service-providers.
Posted on Oct 01, 2026 - 14:06 UTC

Oct 1, 2026

No incidents reported today.

Sep 30, 2026

Mainnet: Base Cobalt Upgrade - September 30th
Completed - The scheduled maintenance has been completed.
Sep 30, 20:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Sep 30, 18:00 UTC
Scheduled - On Wednesday, September 30th at 18:00 UTC (Unix timestamp 1790791200), Base Mainnet will undergo the Cobalt upgrade.

Operators of Base Mainnet nodes must upgrade to the 1.4.2, or greater, release of the https://github.com/base/base software (https://github.com/base/base/releases/tag/v1.4.2).

Please note: https://github.com/base/base now hosts the public Base node previously published from base/node. More information can be found here: https://github.com/base/base#run-a-node

For more information on the Cobalt upgrade, please visit our docs: https://docs.base.org/upgrades/cobalt/overview.
Sep 23, 23:00 UTC

Sep 29, 2026

No incidents reported.

Sep 28, 2026

No incidents reported.

Sep 27, 2026

No incidents reported.

Sep 26, 2026

No incidents reported.

Sep 25, 2026

No incidents reported.

Sep 24, 2026

No incidents reported.

Sep 23, 2026

Sepolia Testnet: Base Cobalt Upgrade - September 23rd
Completed - The scheduled maintenance has been completed.
Sep 23, 20:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Sep 23, 18:00 UTC
Scheduled - On Wednesday, September 23rd at 18:00 UTC (Unix timestamp 1790186400), the Base Sepolia Testnet will undergo the Cobalt upgrade.

Operators of Base Sepolia Testnet nodes must upgrade to the 1.4.0, or greater, release of the https://github.com/base/base software (https://github.com/base/base/releases/tag/v1.4.0).

Please note: https://github.com/base/base now hosts the public Base node previously published from base/node. More information can be found here: https://github.com/base/base#run-a-node

For more information on the Cobalt upgrade, please visit our docs: https://docs.base.org/upgrades/cobalt/overview.
Sep 16, 21:22 UTC

Sep 22, 2026

No incidents reported.

Sep 21, 2026

No incidents reported.

Sep 20, 2026

No incidents reported.

Sep 19, 2026

No incidents reported.

Sep 18, 2026

No incidents reported.

Sep 17, 2026

No incidents reported.

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