Reliable RPC connections are the backbone of every dApp built on Polygon. Our RPC status tracker continuously pings the official Polygon PoS endpoint (polygon-rpc.com), as well as popular third-party providers such as Alchemy, QuickNode, and Infura. We measure response latency, error rates, and sync

status to give developers an instant picture of connection health. If your Web3 app is throwing RPC errors, this page will tell you whether the issue is on Polygon's side or your provider. Polygon Chain ID for PoS Mainnet is 137; for zkEVM Mainnet it is 1101.