HttpNinja: REST API Client

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. --- 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) --- 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. --- 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 --- 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 --- 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 --- 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 --- Download HttpNinja today and test APIs anytime, anywhere. No subscription. No limits. Just powerful API testing on your device. Support: [email protected]