Alchemy incident
[Network-Wide] Base Sepolia - "intrinsic gas too high" errors with eth_estimateGas calls
Resolved after 11 hours 40 minutes, affecting Base, on April 20, 2026.
We are currently investigating an increase in intrinsic gas too high errors on eth_estimateGas requests impacting Base Sepolia, which began following the Sepolia Azul upgrade. We are actively working with the Base team and will provide updates as more information becomes available.
Affected components
Update timeline
- investigating Apr 20, 2026, 11:00 PM UTC
We are currently investigating an increase in intrinsic gas too high errors on eth_estimateGas requests impacting Base Sepolia, which began following the Sepolia Azul upgrade. We are actively working with the Base team and will provide updates as more information becomes available.
- resolved Apr 21, 2026, 10:40 AM UTC
This incident has been resolved.
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