[Network-Wide] Base Sepolia - "intrinsic gas too high" errors with eth_estimateGas calls

Incident Report for Alchemy

Investigating

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.
Posted Apr 20, 2026 - 23:00 UTC
This incident affects: Base.
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