Chainstack incident

Degraded Performance on Polygon Mainnet in London

Minor Resolved

Chainstack experienced a minor incident on August 27, 2026 affecting Polygon Global Nodes (Polygon Mainnet) and Polygon Trader Nodes (Polygon Mainnet Full (Chainstack Cloud, London)) and 1 more component, lasting 20h 38m. The incident has been resolved; the full update timeline is below.

Started
Aug 27, 2026, 09:39 PM UTC
Resolved
Aug 28, 2026, 06:18 PM UTC
Duration
20h 38m
Detected by Pingoru
Aug 27, 2026, 09:39 PM UTC

Affected components

Polygon Global Nodes (Polygon Mainnet)Polygon Trader Nodes (Polygon Mainnet Full (Chainstack Cloud, London))Polygon Trader Nodes (Polygon Mainnet Archive (Chainstack Cloud, London))

Update timeline

  1. investigating Aug 27, 2026, 09:39 PM UTC

    We are currently investigating this incident.

  2. resolved Aug 28, 2026, 06:18 PM UTC

    Polygon Mainnet RPC performance has returned to normal and remains stable. We increased request-handling capacity and introduced bounded request timeouts. This incident is now resolved, and we will continue monitoring the service.