Chainstack incident

Ethereum Sepolia Testnet outage

Minor

Resolved after 8 hours 36 minutes, affecting Ethereum Global Nodes (Ethereum Sepolia Testnet), on October 22, 2026.

monitoring Oct 22, 2026, 04:45 AM UTC

We implemented a fix and are currently monitoring the result.

Affected components

Ethereum Global Nodes (Ethereum Sepolia Testnet)

investigating Oct 22, 2026, 04:23 AM UTC

We are investigating an outage affecting Ethereum Sepolia Testnet. Requests may return 503 errors.
monitoring Oct 22, 2026, 04:45 AM UTC

We implemented a fix and are currently monitoring the result.
resolved Oct 22, 2026, 01:00 PM UTC

This incident has been resolved.

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