HttpNinja: REST API Client

HttpNinja: REST API Client

Smart IDE·FREE

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Description

Test REST APIs instantly with HttpNinja – a fast and powerful API tester.

Looking for a Postman alternative on Android? HttpNinja is a complete REST API client and HTTP testing tool that lets you send requests, automate workflows, and generate code – all in one app.

Perfect for developers, QA engineers, and students who need a reliable API testing app anytime, anywhere.

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WHY HTTPNINJA?

✓ Free and powerful API testing tool
✓ Code generator for 14 languages
✓ OAuth 2.0, JWT & AWS authentication support
✓ Workflow automation with retry logic
✓ Built-in mock server & WebSocket testing
✓ 50+ test data generator types
✓ Works offline
✓ Privacy-focused (no tracking)

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KEY FEATURES

CODE GENERATOR
Generate production-ready code instantly in Python, JavaScript, TypeScript, Kotlin, Java, Go, Swift, C#, PHP, Ruby, Rust, Dart, and cURL.

WORKFLOW AUTOMATION
Chain requests, extract and reuse data, and automate API workflows with built-in templates.

AUTHENTICATION
Supports OAuth 2.0 (all grant types), JWT generation, and AWS Signature V4.

TESTING & MOCK
Includes assertions, test suites, mock server, WebSocket testing, and performance testing tools.

VARIABLES & DATA
Use global, environment, collection, and local variables with dynamic values like timestamps and UUIDs.

DOCUMENTATION
Generate Markdown, HTML, and OpenAPI 3.0 documentation. Export to Postman collections.

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CORE FEATURES

• All HTTP methods (GET, POST, PUT, PATCH, DELETE, HEAD, OPTIONS)
• Request builder with headers, params, and body
• JSON viewer with syntax highlighting
• Collections and request organization
• Import/export via JSON and QR code
• Request history and search
• Dark and light theme (Material Design 3)
• Tablet support and split screen

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PRIVACY

HttpNinja is designed with privacy in mind:
• Works fully offline
• No tracking or telemetry
• All data stays on your device
• No cloud sync required

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PERFECT FOR

• Developers and backend engineers
• QA testers and DevOps
• Students learning API development
• Startups and small teams
• Anyone looking for a mobile API testing tool

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USE CASES

• Test REST APIs
• Generate code in multiple languages
• Automate workflows
• Test OAuth and JWT authentication
• Mock backend services
• Learn API and HTTP concepts

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Download HttpNinja today and test APIs anytime, anywhere.

No subscription. No limits. Just powerful API testing on your device.

Support: imran90237@gmail.com

Developer

Smart IDE

Developer ID: 7525072225838674334

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Recent Reviews

Dmitry S.

v1.9.8

Rich functions, simple to use. Exactly what I needed. Thank you!

Developer Response

Thank you for your amazing feedback and 5-star rating! 🌟 We're glad the app is exactly what you needed. Your support and encouragement mean a lot to us.

9 Jul 2026

9 Jul 2026

Md Al Amin

v1.9.7

MaShaAllah!

Developer Response

JazakAllahu Khayran for your wonderful 5-star review! 🌿 May Allah reward you with goodness. Your support means a lot to us.

9 Jul 2026

4 Jun 2026

Benjamin Maximov

v1.8.8

would be good to have response json parser and tree-like visualizer with collapsable branches

Developer Response

Thanks for the great suggestion, Benjamin. We’ve noted your request for a response JSON parser and a tree-like visualizer with collapsible branches, and we’re evaluating it for an upcoming update.

31 Mar 2026

29 Mar 2026

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