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httpYacgrpcurl
Free

Free to use.

 Free

The open-source application is available without a license fee.

Command line Windows, macOS, Linux, Command line
  • Plain-text request files that fit in version control
  • REST, SOAP, GraphQL and gRPC in one tool
  • Browse schemas and invoke RPC methods
  • No standalone graphical app; works through the CLI or VS Code
  • Scripting requires familiarity with Node.js
  • Servers without reflection require proto or protoset files.
Downloadable app Downloadable app
Open source Open source
License not stated License: MIT
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked September 23, 2026

Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.