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requestly

API Development

Open‑source tool that lets developers intercept, modify, mock, and debug HTTP(S) traffic directly from browsers and desktop apps

Latest changelog-2026.03.23 · 2mo ago Security brief →

Features

  • Intercept, monitor, and modify live HTTP(S) requests/responses (redirects, header/body changes, JS injection)
  • API mocking for local and cloud‑hosted responses to enable frontend development without backend services
  • 1‑click import of configurations from Charles Proxy, ModHeader, and Resource Override

Recent releases

View all 11 releases →
changelog-2026.03.09 New feature
Notable features
  • GET request bodies
  • Raw HTML/image preview
changelog-2026.03.02 New feature
Notable features
  • Dynamic variables
  • Session recording fix
changelog-2026.02.23 New feature
Notable features
  • OpenAPI export
  • XML view editor
  • Drag-drop reordering

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About

Stars
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Forks
703
Languages
TypeScript JavaScript SCSS
Downloads/week
83 ↑51%
NPM Maintainers
4
Contributors
77

Community & Support

Beta — feedback welcome: [email protected]