Arbitrum Mainnet - Elevated 503 Errors
Incident Lifecycle
Affected Components
Mainnet Classic — JSON-RPC API
Mainnet Classic — WebSocket API
Incident Timeline
Monitoring
A fix has been implemented and we are monitoring the results.
Aug 21, 2026 at 3:33 PM UTC
Investigating
We are investigating the degradation of Arbitrum Mainnet archive requests. Users may experience elevated latenc, 503 responses, and API errors during this time.
Aug 21, 2026 at 2:15 PM UTC
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