Rest API Client

Rest API Client - Test, Debug & Organize APIs on Mobile

A comprehensive REST API testing tool for Android. Test endpoints, organize requests with Collections, switch Environments instantly, and debug responses—all from your phone or tablet.

Why Rest API Client?

✓ HTTP Methods – GET, POST, PUT, PATCH, DELETE, HEAD

✓ Collections – Group requests by project for faster navigation

✓ Environments – Define variable sets (Dev, Staging, Prod) and switch contexts instantly

✓ Headers & Body Editor – Add custom headers, JSON, form-data, or raw body

✓ Response Viewer – View JSON responses with syntax highlighting

✓ Request History – Review and reuse past requests

✓ Bearer Token Auth – Add Authorization header with Bearer tokens

✓ Import/Export – Share collections as JSON or import from Postman

Perfect for:

Mobile developers testing backend APIs on the go

QA engineers validating endpoints across environments

Backend developers debugging REST services

API enthusiasts exploring public APIs

Students learning REST, HTTP, and web services

Collections & Environments

Organize requests into Collections, define reusable variable sets with Environments, and switch between Dev/Staging/Prod with one tap. Use variables like {{base_url}} and {{api_key}} in URLs and headers to eliminate manual edits.

Key Features in Detail

HTTP Methods & Request Builder

Send GET, POST, PUT, PATCH, DELETE, and HEAD requests. Add query parameters, custom headers, and request body (JSON, form-data, or raw text). Upload files with multipart/form-data.

Collections & Organization

Create collections to group related requests. Duplicate requests, edit collection details, and export/import collections as JSON for sharing or backup. Import collections from Postman format.

Environments & Variables

Define named environments (Dev, Staging, Production) with variables like base URLs and tokens. Switch environments globally and watch all requests update automatically using {{variable}} syntax.

Response Viewer

View responses with pretty JSON formatting and syntax highlighting. See status code, response time, and content size. Copy response bodies or generate code snippets in multiple languages.

Bearer Token Authentication

Add Bearer token authentication in settings. The app automatically adds the Authorization header to your requests.

History & Reusability

Every request is saved to history. Search through past requests and tap any one to rerun or edit it.

Import & Export

Export collections as JSON. Import collections from teammates or from Postman. Share your API collections easily.

Fast, Lightweight & Secure

No account required. All data stored locally. Minimal permissions. Fast startup and low memory footprint.

Use Cases

Test your own REST APIs during development

Validate third-party API integrations

Debug microservices and webhooks

Learn REST fundamentals hands-on

Share API collections with your team

Download Rest API Client now and take control of your API testing, debugging, and validation—anytime, anywhere.