API Inspector - Easy-to-Use REST API Testing and Debugging Tool
Key Features of API Inspector
- Send GET, POST, PUT, DELETE, and PATCH requests
- Support for Authentication
- View JSON, XML, and plain text responses
- Loggin in textfile or view
Installation
- Download the installer using the link above.
- Run API_Inspector_Setup.exe.
- Follow the installation wizard instructions.
- Launch the application and start testing your APIs.
Quick Info
- Software: API Inspector
- Application category: Developer application
- Description: A lightweight and easy-to-use tool for REST API testing and debugging.
- Software version: 0.4
- File size: 60MB
- Download: API_Inspector_Setup.exe
Screenshot
Frequently Asked Questions (FAQ)
Where is manual?
Is API Inspector free?
Yes.
Does it support HTTPS?
Yes, the application supports both HTTP and HTTPS connections.
Where can I report bugs?
Version History and Updates
0.4 - 25.3.2026
- Credidentals are now loaded working folder: credentials.json
- Command-line tool
- Manual
- Updated log4net and system.management packages
- Open working folder and help commands
- Bug Fix: Authorisation
0.3 - 25.2.2026
- Assertions
- Save / load tests
- Fast log scrolling
- Remember previous view at startup
- Cycle views Ctrl+Tab
0.2 - 4.1.2026
- JSON Formatter / Beautifier
- Hotkey for Send button
- Auto update
- Save / Load window position
- Grep-like search
0.1 - 20.11.2025
- First version