JSON-RPC 2.0 Builder

Compose JSON-RPC 2.0 requests, notifications and responses.

Kind Method Params (JSON) ID (JSON)

{
  "jsonrpc": "2.0",
  "method": "subtract",
  "params": [
    42,
    23
  ],
  "id": 1
}

About this tool

Pick request / notification / success / error, fill in method, params and id — the tool emits the canonical JSON-RPC 2.0 envelope.