
Requestly is a local-first, lightweight developer toolkit designed to streamline API development, testing, and debugging workflows. It offers a powerful HTTP interceptor to modify, mock, and debug network requests directly from your browser.
Build frontend faster without waiting for backend.
The platform includes an API client for development and testing, supports API mocking with GraphQL, and enables cross-device testing. It's particularly valuable for frontend developers, QA engineers, and support teams who need to simulate edge cases and override scripts.
| Core Features | Use Cases |
|---|---|
| HTTP Interception | Frontend Development |
| API Mocking | QA Testing |
| API Client | Support Debugging |
Requestly is a local-first, lightweight developer toolkit designed to streamline API development, testing, and debugging workflows. It offers a powerful HTTP interceptor to modify, mock, and debug network requests directly from your browser. The platform includes an API client for development and testing, supports API mocking with GraphQL, and enables cross-device testing. With a strong emphasis on privacy, Requestly lets you stay local with Git, sync instantly with Team Projects, or Self-Host for total data sovereignty—no login required and no cloud lock-in.
Intercept and modify HTTP requests and responses in real time. Redirect URLs, modify HTTP headers, mock API or GraphQL responses, and insert custom JavaScript scripts—all directly from your browser.
Build, test, and sync APIs your way. Organize API collections and environments locally, import from Postman, OpenAPI, or cURL, and keep everything under your control with no cloud dependency.
Test GraphQL endpoints with an intelligent client featuring schema introspection and auto-completion. This makes it easy to explore and debug GraphQL APIs without switching tools.
Work with teammates in shared workspaces, sync API collections with a Git repository, and assign Admin, Editor, or Viewer roles. Role-based access control ensures precise permissions across your team.
Build frontend faster without waiting for backend.
This one-liner captures Requestly's core value: it eliminates backend dependencies during frontend development. By mocking API responses and intercepting network traffic, developers can simulate any scenario instantly. Combined with complete data sovereignty—local, team sync, or self-hosted—and flat, predictable pricing free for up to 10 collaborators, Requestly offers a privacy-first alternative to cloud-bound tools.
You're a developer or QA engineer tired of cloud lock-in and want a lightweight, privacy-first API client that works offline. Requestly is especially valuable if you need to mock APIs, intercept HTTP traffic, or collaborate with a small team without hidden costs. It's also a strong choice for anyone migrating from Postman or similar tools, thanks to easy import from multiple sources.
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Sachin
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