API Tester
Test and debug REST APIs with comprehensive request building
Request Configuration
Build your API request with method, URL, headers, and body
0 headers
Features
What this API tester can do for you
🔧
Request Builder
Build complex requests with headers, body, and authentication
📊
Response Analysis
Detailed response info with timing and size metrics
💾
Save & Reuse
Save requests for later use and quick testing
About Online REST API Tester
A powerful, lightweight tool for testing web APIs. Whether you're debugging a backend endpoint or exploring third-party services, our API Tester lets you send customized HTTP requests and analyze the responses without leaving your browser.
🎯 Who is this tool for?
Web DevelopersBackend EngineersQA TestersStudents
✨ Key Features
- Support for GET, POST, PUT, DELETE, PATCH Methods
- Custom Request Headers
- JSON Body Editor
- Real-time Response Viewer
- Status Code & Timing Analysis
- Response Header Inspection
🚀 How to Use
- 1Enter your API Endpoint URL.
- 2Select the HTTP Method (e.g., GET, POST).
- 3Add any necessary Headers (e.g., Authorization).
- 4If applicable, provide a JSON body.
- 5Click 'Send Request' and view the response.
Frequently Asked Questions