Base Sepolia - Degraded Performance

Incident Report for Quicknode

Resolved

The issue has been resolved and Base Sepolia services are operating normally.
Posted Aug 23, 2026 - 14:10 UTC

Identified

Our team is actively listening to updates from the Base team regarding Base Sepolia degradation. A fix has been identified and is being implemented by the Base team for the Base node client. We will update this page as we receive further updates.
Posted Aug 21, 2026 - 17:46 UTC

Investigating

The Quicknode team is investigating the degraded performance of Base Sepolia - we will update this page as we acquire new information.
Posted Aug 19, 2026 - 09:52 UTC

Identified

Customers may experience higher error rates, including 503 responses. We are in active communication with the Foundation and waiting for a new release to mitigate this. Further updates will be provided as the situation develops.
Posted Aug 19, 2026 - 06:32 UTC

Investigating

The Quicknode team is investigating degraded performance of Base Sepolia. Users may observe 503 responses from their requests. We will follow up once we have more updates.
Posted Aug 18, 2026 - 18:01 UTC

Monitoring

A fix has been implemented and we are monitoring the results.
Posted Aug 18, 2026 - 01:45 UTC

Investigating

The Quicknode team is investigating degraded performance of Base Sepolia in FRA region. We will follow up once we have more updates.
Posted Aug 18, 2026 - 01:42 UTC
This incident affected: Base (Base - Sepolia).