This tool is a small, focused API testing tool built by a developer, for developers. It’s made for people who enjoy clean tools, simple workflows, and sharing ideas with a like-minded community.

Instead of trying to do everything, this tool focuses on doing the essentials really well — testing APIs quickly, understanding responses clearly, and staying out of your way while you build. It’s lightweight, fast, and designed to feel comfortable during long development sessions.

Advanced API Tester is also growing with feedback from its users. Feature ideas, improvements, and suggestions are always welcome — this tool is shaped by the community around it.

Features

• Simple REST API Testing
  Easily test GET, POST, PUT, PATCH, and DELETE requests.

• Headers & Auth Support
  Add custom headers, tokens, and authorization values with ease.

• Request Body Editor
  Send JSON and other payloads without friction.

• Clean Response Viewer
  Read response data, headers, and status codes clearly.

• Request History
  Keep track of past requests and reuse them anytime.

• Minimal & Distraction-Free UI
  Built to stay fast and comfortable, even during long sessions.

• Runs in the Browser
  No heavy installs or setup — just open and start testing.

Built With the Community in Mind

This tool is ideal for:

• Indie hackers & solo developers

• Students learning APIs

• Small teams and side projects

• Anyone who prefers simple tools and open feedback loops