Master your
API Workflow
The professional, lightweight API client for developers who care about speed. Debug, test, and document your endpoints without the bloat.
Native performance.
Your data is local.
100% open source.
Install as a Native App
Get the full power of Api Studio directly on your desktop or mobile device. Enjoy offline support, keyboard shortcuts, and zero-latency performance.
* Installable on confirmed supported browsers (Chrome, Edge, Android).
Debug Webhooks like a Pro
Stop guessing what your webhooks are doing. Create unique endpoints instantly, inspect payloads in real-time, and mock responses to test your integrations thoroughly.
Instant Endpoints
Generate a unique URL with one click. No server setup required.
Real-time Inspector
Watch requests arrive as they happen. Inspect headers, body, and query params.
Mock Responses
Configure custom status codes and bodies to test how your app handles errors.
Your Data.= Your Infrastructure.
Keep full control of your API testing environment. Deploy Api Studio on your own servers with just a few commands. No hidden telemetry, no vendor lock-in.
$git clone https://github.com/rohittiwari-dev/api-client.git$cd api-client$docker compose up -dEverything you need to build faster
A complete workspace designed for the modern API workflow. From request to response, every detail is crafted for speed and clarity.
Advanced Request Builder
Craft complex HTTP requests with ease. Support for all methods, custom headers, query parameters, and multiple body types including FormData and Binary.
Robust Auth
Built-in support for OAuth 2.0, Bearer Tokens, Basic Auth, and more. Sensitive data is handled securely server-side.
Environments
Switch between Local, Staging, and Prop seamlessly using variables.
Instant Code Generation
Turn any request into code in your favorite language. Support for JavaScript, Python, Go, Swift, and 20+ more.
Real-time
WebSocket & SSE support
Organization
Collections & Folders
Cookies
Advanced visuals
Ready to transform your
API development?
Join thousands of developers using Api Studio to build, test, and document APIs faster. Open source, free forever for individuals.