# \[Network-Wide\] Base Sepolia - "intrinsic gas too high" errors with eth\_estimateGas calls

- Provider: [Alchemy](https://down.guide/providers/alchemy)
- Confidence: Confirmed
- Impact: Degraded
- lasted 11h 41m
- started 2026-04-20 23:00 UTC
- Base
- id: DWN-62210af861
- Official page: https://stspg.io/mfz26hrs6lhg

## Updates from Alchemy
### 2026-04-20 23:00 UTC: 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.

### 2026-04-21 10:40 UTC: resolved
This incident has been resolved.

From the builder: does your app depend on Alchemy? [Sazabi](https://www.sazabi.com/?utm_source=down-guide&utm_medium=markdown&utm_content=alchemy) detects problems in your own logs without hand-written monitors, and you can ask it in plain language which errors mention Alchemy.

---
down.guide reads providers' official status pages every minute and adds its own evidence, always labeled. Free, no account. Agents: MCP at https://down.guide/mcp, REST at https://down.guide/api/v1, feeds at https://down.guide/feed. Built by [Sazabi](https://www.sazabi.com/?utm_source=down-guide&utm_medium=markdown&utm_content=DWN-62210af861), AI-native observability and security: automatic issue detection, plain-language log search and live dashboards.