Base Sepolia outage (affecting Node RPC, Virtual Testnets, Monitoring, Simulations)

Incident Report for Tenderly

Resolved

This incident has been resolved.
Posted Apr 20, 2026 - 21:07 UTC

Monitoring

We have successfully restored all Base Sepolia features. Virtual Testnets and WebSockets are back up and fully operational.

The one remaining item is `eth_subscribe`, which is currently unavailable for both Node and Virtual TestNets. Our team is aware and actively working on it - we expect it to be re-enabled by the morning hours.
Posted Apr 20, 2026 - 21:01 UTC

Update

We have resolved the issue affecting Node RPC, Monitoring, and Simulations on Base Sepolia - these features are now fully operational.

Our engineering team is continuing to work on restoring Websockets and Virtual TestNets. We will share another update as soon as those are resolved.

Thank you for your patience.
Posted Apr 20, 2026 - 20:30 UTC

Identified

We are currently experiencing an issue affecting all Tenderly features on Base Sepolia. Our team has been notified and is actively investigating and working on a fix.

All other networks are unaffected.

We will provide updates as the situation develops. We apologize for the inconvenience.
Posted Apr 20, 2026 - 19:05 UTC
This incident affected: Base Sepolia (Virtual Testnet, Explorer, Simulator, Alerts, Web3 Actions, Debugger, Contract Verification, Node RPC).