Chainnodes is a Web3 blockchain JSON RPC provider. Our enterprise grade RPCs help developers and Startups of all sizes power their dApps, Web3 games, Wallets and more.

On Chainnodes, you get RPC access to Ethereum, Polygon, Optimism, Arbitrum (and more) over HTTP and WebSocket. You can make archival (historic) calls to learn about the state of the chain, fetch logs and events, monitor new transactions and blocks using subscriptions and even do heavy trace_ and debug_ calls to simulate transactions before posting them or to fetch the state of the chain during transactions, blocks and more.