Which RPC is fast, which is falling behind, and which is failing? RPC Doctor compares EVM JSON-RPC endpoints from your machine and produces a readable table or a JSON report. Zero runtime dependencies ...

Typed remote function calls between browser windows and iframes, using JSON-RPC request/response messages over postMessage. Infer remote method arguments and return types from a TypeScript handler.

Ethereum Remote Procedure Call (RPC) endpoints connect wallets, decentralized applications, and exchanges to blockchain nodes. These interfaces retrieve balance ...