Major incident

Tenderly: Simulator issue

Affected: Simulator, Simulator

Current status of Tenderly: Operational — live Tenderly status

Timeline

1. Apr 28, 2026, 09:48 UTC
   identified
   We're investigating an issue where requests to the Simulator API with save: true, and dashboard flows that save a simulation, are currently returning errors for all networks. Ephemeral simulation runs (without save), and Node RPC simulation methods are not affected. We'll share an update as soon as we have more information.
2. Apr 28, 2026, 09:48 UTC
   identified
   We are continuing to work on a fix for this issue.
3. Apr 28, 2026, 10:08 UTC
   monitoring
   A fix has been implemented and we are monitoring the results. Alerts and Web 3 Actions delivery will also be delayed starting 10:13 UTC, current lag is ~16min we expect full recovery within 10-15min.
4. Apr 28, 2026, 10:16 UTC
   resolved
   Alerts and Web 3 Actions delivery is fully recovered.

Updates as published by Tenderly (original).