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

Update timeline

1. identified Apr 20, 2026, 07:05 PM UTC

   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.

2. identified Apr 20, 2026, 08:30 PM UTC

   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.

3. monitoring Apr 20, 2026, 09:01 PM UTC

   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.

4. resolved Apr 20, 2026, 09:07 PM UTC

   This incident has been resolved.