Protocols

Choose a protocol from the menu to the left of the request address. The editor and response pane adapt to the kind of exchange.

HTTP

Build an HTTP request and inspect its status, headers, and body.

GraphQL

Load a schema, pick an operation, and send queries or mutations with variables.

gRPC

Load services through reflection or .proto files and invoke unary or server-streaming methods.

WebSocket

Open a connection, send messages, and read the log of sent and received messages.

SSE

Read named events from a live HTTP stream.