API Tester Studio
Productivity Contains ads
A premium mobile API client to test REST requests, mock servers & format JSON.
- Downloads
- 16+
- on Google Play
- Price
- Free
- No in-app purchases
- Updated
- Sep 22
- 2026 · v1.0.4
Screenshots
About API Tester Studio
KEY FEATURES:
🚀 Premium REST HTTP Client
Full Method Support: Perform GET, POST, PUT, DELETE, PATCH, and HEAD requests with ease.
Header & Parameter Editor: Easily add and edit HTTP headers, URL query parameters, and Raw JSON request bodies.
Environment Variables: Define and auto-resolve custom environment variables (e.g., {{host}} placeholders) in real-time.
🔄 Offline Mock Server
Zero-CORS Interceptor: Register local API routes (e.g., POST /api/login) that return custom JSON payloads, status codes, and custom artificial response delays.
Instant Testing: Test your local mock routes inside the client with a single tap.
📊 Client-Side Request Analytics
Dashboard Statistics: Track total API requests, average latency, and success/failure rates.
Visual Charts: Dive into request method distributions and response code breakdowns using clean, interactive progress charts.
💻 Developer Utility Suite
Code Snippet Generator: Instantly convert HTTP requests into ready-to-use code snippets for cURL, Flutter/Dart (Http), and JavaScript (Fetch).
JSON Workbench: Format, minify, and validate JSON payloads with syntax highlighting and live parser validation alerts.
Backup & Sync: Quickly import or export mock configurations and histories via clipboard sharing.
✨ Elegant Glassmorphism Design Enjoy a smooth, state-of-the-art developer interface featuring beautiful glassmorphic visual layouts, clean animations, and a cohesive theme designed to reduce eye strain.
Download API Tester Studio today and simplify your mobile API testing workflow!
Disclaimer & Limitation of Liability
This application is provided strictly for educational use, authorized security research, database analysis, and domain auditing. It must not be used for any unauthorized or unlawful activity.
The developer expressly disclaims all liability for any misuse, unauthorized access, data loss, corruption, network disruption, security breach, or legal consequences arising from the use of this tool. Users are solely responsible for ensuring proper authorization before accessing or scanning any database, system, or domain.
Use of this application for penetration testing, hacking, or exploitation without explicit consent is strictly prohibited. By downloading and using this software, you agree to comply with all applicable local, national, and international laws, as well as relevant data protection regulations and cybersecurity standards.
The developer shall not be liable for any direct, indirect, incidental, or consequential damages resulting from the use, misuse, or inability to use this application. All responsibility rests with the end user.
What’s new
Version 1.0.4 · Updated September 22, 2026
• Dynamic Starred Collections: Easily save, view, and toggle favorite requests with live star status. • Clear Mock Status: Added explicit Mock ON / OFF indicators with informative status pills. • Streamlined UI: Removed duplicate loading spinners for a cleaner, unified sending experience. • Ad & Performance Optimization: Balanced interstitial and persistent banner ads with improved latency. • Bug Fixes: Resolved screen layout overflows and enhanced overall app stability.
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