Mobile Api Tester

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About Mobile Api Tester

Unleash your development workflow with API Tester, a powerful and intuitive API testing tool built with Flutter, designed to make your development process faster and more efficient, right from your Android device.

Whether you're building a new backend, debugging an existing one, or just exploring an API, our app provides the professional features you need without the clutter.

🚀 What's New in Version 1.0.10?

We've supercharged the experience with a new Network Scanner and powerful logic capabilities:

📱 Fully Mobile Responsive Auto Canva: Design complex API flows on the go! The new responsive layout adapts perfectly to your phone, with a drawer for collections and optimized touch controls.

�️ Visual Network Scanner (Nmap): Visualize your network like never before! Scan IPs, ports, and subnets on an infinite canvas. Supports Top 100/1000/Full port scans, Traceroute, and IPv4/IPv6.

�🔗 Variable Binding: Chain requests dynamically! Pass data (tokens, IDs) from one response to the next request's headers, params, or body effortlessly.

� Code Generation: Instantly generate code snippets for your requests in cURL, Dart (Dio), and Python (Requests).

⚡ Offline-First Architecture: All your data is stored locally on your device, ensuring privacy and speed. Work anytime, anywhere.

🔑 Key Features

�️ Professional API Client

• All Major HTTP Methods: GET, POST, PUT, DELETE, PATCH, HEAD, OPTIONS, TRACE.
• Complete Request Customization: Headers, Body (JSON, Text), and Auth (Bearer Token, Basic Auth, API Key, OAuth 2.0 Client Credentials).
• Global Environment Management: Switch contexts instantly (Dev, Prod) with dynamic variables.
• Smart Request Sync: Automatic two-way syncing between URL bar and Query Parameters.

🎨 Visual Workflows (Auto Canva)

• Drag, drop, and connect nodes to create complex API logic flows.
• Visualize dependencies and data flow between requests.

🏃 Collection Runner & Automation

• Run entire collections sequentially with one tap.
• Automation Scripting: Write Postman-compatible JavaScript tests (`pm.test`, `pm.environment`) and pre-request scripts.
• Variable Chaining: Extract values from responses (`{{#1.response.token}}`) to use in subsequent requests.
• Automated Validations: Visual pass/fail badges for your tests.

� Advanced Network Tools

• Visual Network Scanner: Infinite canvas interface to map hosts and ports.
• Subnet Scanning: Discover devices on your local network (/24).
• Port Scanner: Check open ports with configurable speeds.
• Traceroute & Ping: Diagnose network path issues.
• Network Condition Simulation: Test your API under 5G, 4G, Slow 3G, and Packet Loss conditions.

📊 Detailed Response Analysis

• Status Code, Time (ms), and Size (KB/MB) indicators.
• Response Time Trends: Interactive graph plotting historical performance.
• API Stability Score: Visual reliability gauge (0-100) based on success rates.
• JSON Viewer: Beautifully formatted, pretty-printed JSON with search.
• Download Large Responses: Save response bodies directly to files.

📂 Organization & Workflow

• Collections: Group requests, import Postman Collections (v2.1).
• History: Searchable requests history with "Open in Editor".
• Themes: Sleek Dark and Light modes.
• Offline Privacy: No cloud accounts required, your data stays yours.

Download API Tester now and carry a powerful, professional API client in your pocket!

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Frequently Asked Questions