Online API Tester
HTTP, GraphQL, and gRPC (JSON) use the secure proxy. WebSocket, Socket.IO, and browser limits apply as documented below.
Query parameters will be appended to the URL.
Enter a URL and click Send to test your API.
Supports GET, POST, PUT, PATCH, DELETE, HEAD, OPTIONS
Proxied HTTP API
REST, GraphQL over HTTP, and JSON-style gRPC gateways use the server proxy. WebSocket & Socket.IO connect directly from the browser.
Code generation
cURL, fetch, requests, and more — includes GraphQL POST bodies and gRPC JSON payloads when those modes are active.
Formatting & realtime
JSON/XML formatting for HTTP responses; WebSocket frames and Socket.IO events with timestamps in realtime modes.