ApiLab: REST API Client Tester

ApiLab is a powerful REST API testing tool built for Android developers,

testers, and security researchers. Whether you're building a backend,

debugging endpoints, or testing HTTP responses on the go — ApiLab has

everything you need in one app.

🚀 KEY FEATURES

🔗 API REQUEST TESTING

- Support for GET, POST, PUT, PATCH, DELETE, HEAD and OPTIONS methods

- Add custom HTTP headers with key-value pairs

- Send JSON request body with your API calls

- View formatted, pretty-printed JSON responses

- See HTTP status codes and response time in milliseconds

- Inspect full response headers returned by the server

📁 FILE UPLOAD SUPPORT

- Upload files directly to any API endpoint

- Multipart/form-data file upload support

- Test file upload endpoints without a desktop computer

- Perfect for testing media upload APIs on the go

🔐 ENCODE & DECODE STRINGS

- Encode any string to Base64 instantly

- Decode Base64 strings back to plain text

- Encrypt strings with AES-CBC or AES-GCM mode

- Password-protected encryption for sensitive data

- Perfect for testing Authorization headers and tokens

📋 RESPONSE INSPECTOR

- View full response body with JSON formatting

- Inspect all response headers returned by the server

- Copy response body to clipboard with one tap

- Color-coded status codes (green/red/orange)

- Response time shown in milliseconds

⚡ BUILT FOR DEVELOPERS

- Clean, minimal dark-themed UI

- No login or account required

- Lightweight and fast

- Works on any Android device

🔒 SECURITY FEATURES

- AES-CBC encryption with PKCS5 padding

- AES-GCM authenticated encryption

- SHA-256 key derivation

- Base64 encoding and decoding

- Password-protected string encryption

WHO IS APILAB FOR?

✅ Android & mobile developers

✅ Backend & API developers

✅ QA testers & quality engineers

✅ Security researchers

✅ Students learning REST APIs

✅ Anyone who needs Postman on their phone

WHY APILAB?

Unlike desktop tools like Postman or Insomnia, ApiLab runs entirely

on your Android device. Test your APIs anywhere — no laptop needed.

With built-in encryption and file upload support, ApiLab goes beyond

basic API testing to give you a complete HTTP toolkit in your pocket.

PERMISSIONS USED

- Internet — required to send HTTP requests

- Storage — required for file upload feature

ApiLab is free to use. No account. Just install and start testing.