Launched January 6, 2026
Test API
Send HTTP Requests Instantly
FreeTesting283 impressions#868 of its week
Use Test API for RESTful API testing. This Postman alternative tests REST APIs online with support for all HTTP methods, custom headers, and real-time response visualization.
Test API is a Chrome extension that lets you send HTTP requests and view responses directly in the browser.
- for
- Developers who need quick, in-browser API testing without external tools
- pricing
- free
Key features
6 features of Test API
- All HTTP methods — Supports GET, POST, PUT, PATCH, DELETE and other standard methods.
- Custom headers & params — Add custom headers, query parameters and request bodies.
- Real-time response view — Shows status code, headers and formatted response bodies instantly.
- Data formats support — Handles JSON, XML and form-data payloads.
- Authentication handling — Supports API keys, Bearer tokens, OAuth and basic auth.
- Local processing — All request data stays in the browser; no external transmission.
Use cases
- Debug an endpoint during development
- Learn HTTP request basics for educational purposes
- Test third-party service integrations
- Prototype API calls quickly
- Run QA tests on production endpoints
Test API vs alternatives
| Test API |  Postman |  ReAPI |  Beeceptor |  Zorvik | |
|---|---|---|---|---|---|
| Best for | Instant in-browser HTTP request testing | Comprehensive API lifecycle management | API development pipeline integration | Mocking APIs for front-end development | Local-first API testing and load testing |
| Pricing | Free | Subscription | Subscription | Free | Free |
| DevHunt upvotes | 0 | 0 | 4 | 4 | 7 |
| Launched | Jan 2026 | — | Sep 2024 | Apr 2024 | Oct 2026 |
- Test API vs Postman: Full-featured API platform with collaboration, documentation and cloud storage
- Test API vs ReAPI: Focuses on streamlining API development workflow, not just request sending
- Test API vs Beeceptor: Provides mock API endpoints for testing without a live backend
- Test API vs Zorvik: Offers testing, mocking and load-testing in a local, free tool
Test API FAQ
How do I start using Test API?+
Install the Chrome extension, click its icon, and create your first HTTP call using the guided interface.
Can I test APIs that require authentication?+
Yes, it supports API keys, OAuth, Bearer tokens and custom headers.
Is my data secure using this tool?+
All data is processed locally in the browser and never sent to external servers.
Does it work with different endpoint types?+
It works with REST, GraphQL, SOAP and any HTTP-based interface.
Is there a limit to request size or frequency?+
No artificial limits; you can send large payloads and multiple requests as needed.
Summarized by DevHunt from chromewebstore.google.com · Oct 6, 2026. Details may change; check the official site.
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