About HttpNinja: REST API Client
Test REST APIs fast. Offline API client & Postman alternative tool.
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
Additional APP Information
Latest Version
1.9.8Uploaded by
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Requires Android
Android 8.0+
Category
Free Tools AppContent Rating
Everyone
Security Report
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Flag as inappropriateWhat's New in the Latest Version 1.9.8
Last updated on Jun 13, 2026
HTTP Ninja Pro features have been refreshed and improved in this release.
Mock Server, WebSocket, Workflows, Batch Runner, Performance Testing, Code Generator, Data Generator, Import/Export, API Testing, and advanced request tools are now more stable and ready for production use.
This update includes stability improvements, smoother startup, and maintenance fixes for a better overall experience.









