API Tester - REST Client

API Tester - Fast REST API Client for Android

Test, debug and inspect REST APIs directly from your phone with API Tester.

Send HTTP requests in seconds, view formatted JSON responses, manage headers and authentication, and quickly troubleshoot APIs from anywhere.

Perfect for developers, QA testers, backend engineers and tech enthusiasts who need a lightweight mobile REST client.

Powerful API Testing Tools

HTTP Request Support

Send:

GET

POST

PUT

PATCH

DELETE

Quickly test REST APIs and endpoints with a fast and intuitive request builder.

JSON Response Viewer

Inspect formatted JSON responses with:

Syntax highlighting

Readable formatting

Status codes

Response timing

Error details

Easily debug API issues and verify responses in real time.

Authentication Support

Connect to secured APIs using:

Bearer Tokens

Basic Authentication

Custom Headers

Perfect for testing authenticated endpoints and protected services.

Advanced Request Builder

Configure:

Headers

Request body data

Content types

Authorization

Query parameters

Designed for fast mobile API development and debugging.

Built for Developers

API Tester is ideal for:

REST API testing

Backend debugging

Mobile development

QA testing

JSON inspection

Endpoint validation

HTTP request testing

Fast, Clean and Mobile Friendly

Whether you're working remotely, debugging on the go, or quickly checking an endpoint, API Tester delivers a smooth and responsive mobile experience.

No complicated setup. Just launch the app and start testing APIs instantly.

Download API Tester today and simplify REST API testing on Android.