Resolved after 3 hours 6 minutes, affecting Optimism - Mainnet and Base - Mainnet and 1 more, on July 17, 2026.
A fix has been implemented and we are monitoring the results.
Affected components
Optimism - MainnetBase - MainnetMainnet — Websockets APIMainnet — WebSocket APIMainnet —WebhooksMainnet — WebhooksMainnet — StreamsMainnet — StreamsOptimism - SepoliaBase - Sepolia
Update timeline
- investigating Jul 17, 2026, 11:48 PM UTC
We are investigating a regional outage affecting multiple chains in our Singapore (SIN) region. Users in this region may experience 503 errors or request failures. Traffic is being rerouted to alternate regions while we work to resolve the issue. We will provide updates as more information becomes available.
- identified Jul 18, 2026, 12:14 AM UTC
The issue has been identified and a fix is being implemented.
- monitoring Jul 18, 2026, 02:00 AM UTC
A fix has been implemented and we are monitoring the results.
- resolved Jul 18, 2026, 02:55 AM UTC
This incident has been resolved.
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