QuickNode incident
Base Sepolia - Increase in `instrinsic gas too high` Errors on eth_estimateGas calls
Resolved after 7 hours 41 minutes, affecting Base - Sepolia and Sepolia - WebSocket API, on April 21, 2026.
Our engineers completed upgrading the Base Sepolia node infrastructure to 0.7.6 https://github.com/base/base/releases/tag/v0.7.6
Affected components
Update timeline
- investigating Apr 20, 2026, 07:43 PM UTC
We are investigating an increase in `instrinsic gas too high` API errors on `eth_estimateGas` requests on Base Sepolia that started with the Sepolia Azul Upgrade at 18 UTC today. We are working with the Base team to address this issue and will update this status with findings and resolution ASAP.
- identified Apr 21, 2026, 08:09 AM UTC
Foundation cut a new release with a couple of bug fixes for Azul (latest hardfork) on Base Sepolia. https://github.com/base/base/releases/tag/v0.7.6
- monitoring Apr 21, 2026, 08:11 AM UTC
Our engineers completed upgrading the Base Sepolia node infrastructure to 0.7.6 https://github.com/base/base/releases/tag/v0.7.6
- resolved Apr 21, 2026, 08:11 AM UTC
This incident has been resolved.
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