API Tools
Useful API tools for developers to test, simulate and debug REST APIs. Create fake APIs, send requests and inspect responses instantly.
Fake API Generator
Create simple fake API endpoints from JSON data. Useful for frontend testing and learning fetch.
Fake API Server
Create real mock API endpoints with JSON. Test APIs in browser, fetch, Postman or apps.
API Tester
Send GET, POST, PUT and DELETE requests. Add headers, body and inspect API responses.
Fetch Tester
Run fetch requests directly in browser and debug responses.
Webhook Tester
Test webhook requests and inspect incoming data.
UUID Generator
Generate unique IDs for API, database and development.
Free Online API Tools for Developers
A-Revive API tools help developers test REST APIs, create mock endpoints, debug requests and simulate backend responses directly in the browser. You can generate data using Random JSON Generator, format requests with Code Formatter and test APIs using API Tester or Fetch Tester.
These tools are useful for frontend developers, backend developers, students and anyone learning API development without installing extra software.
Why Use Fake API Tools
Fake API tools allow you to build and test applications without a real backend. You can generate sample data, create endpoints and simulate responses using Fake API Generator or Fake API Server.
- Test frontend without backend using Fake API
- Debug requests using API Tester
- Run fetch calls using Fetch Tester
- Generate JSON data using Random JSON Generator
- Format request body using Code Formatter
When to Use API Tester
API Tester is useful when working with REST APIs, webhooks or mock servers. You can send requests, add headers, send JSON body and inspect responses instantly using the browser.
- Test endpoints created with Fake API Server
- Send requests using API Tester
- Run fetch calls using Fetch Tester
- Inspect webhook data using Webhook Tester
- Generate IDs using UUID Generator