Test APIs Faster – Right From Your Browser
A powerful API testing tool for REST & SOAP. No installs. No CORS issues. Just results.
Everything You Need for API Testing in One Tool
REST & SOAP Support
Build and send requests directly from your browser. No setup needed.
Response Formatting & Validation
Beautify, validate, and explore JSON/XML responses instantly.
Code Generation
Export working code snippets in Python, PHP, JavaScript, cURL, and more.
Built-in Load Testing
Simulate traffic to measure performance and stability under pressure.
Collaboration Ready
Share requests with your team using a simple URL.
Browser Extension
Test APIs on localhost or private networks via Chrome extension.
Why Developers Love Our Tool
No CORS headaches
Works directly in your browser
Save & organize projects
Copy-paste snippets into your codebase
Made for devs, testers, and QA teams
From Request to Result in Seconds
1
Enter your API endpoint
2
Choose method, headers, body
3
Click “Send” & View Response
4
Generate Code Snippets
Built for All Your API Needs
Quick Tests
Project-Based Testing for Teams
Load Testing for Performance
Mock & Validate API Contracts
Code Snippets for CI/CD
What Our Users Say
"The fastest way to test our APIs—Newtum saves us hours each week."