API Zen
Jaseem Valiya Valappil Developer Tools iPhoneiPadiPod touch
API Zen is a free Developer Tools app for iPhone and iPad by Jaseem Valiya Valappil. Requires iOS 13.0. Updated November 17, 2025.
- Price
- Free
- on the App Store
- Size
- 7 MB
- Age 4+
- Updated
- Nov 17
- 2025 · v3.1
Screenshots
About API Zen
API Zen brings the convenience of HTTP API endpoint testing on the go. With its intuitive request composer and detailed response information, it helps developers test endpoints with ease. Main features • Simple and intuitive request composer and viewer • Supports headers, request parameters, request body with JSON, XML, raw input, forms with file, image attachments, multipart and binary data • Organize endpoints into workspaces and projects • Enable iCloud syncing when creating a new workspace. If syncing is disabled workspace will be created on device only. • Seamless switching between local and iCloud workspaces • Option to add custom HTTP methods per project • Detailed response information which includes headers, cookies, metrics and connection information • View raw response with syntax highlighting • Preview HTML response output as web page • View all response history • SSL validation per request • Environment group with variables per workspace with option to select different environment per request • Supports dark mode • Import/Export workspace data API Zen is free for use. The app accepts optional donations which supports the development work.
What’s new
Version 3.1 · Updated November 17, 2025
• Swipe left on a request provides copy option. We can copy request within the same project or to another project in the same workspace. • Enables Liquid Glass UI for iOS 26 and above. • Fixed an issue where xml, raw fields doesn't save the content in POST request body.
App privacy
The developer, Jaseem Valiya Valappil, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
Alternatives to API Zen
Looking for apps like API Zen? Here are 6 similar apps on the App Store. The highest rated is SendMan: API & HTTP Client (5.0/5), and 5 of the 6 are free to download.
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APIOrbit – REST & GraphQL
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API Tool Pro
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API Dash - API Client, Testing
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Curly — REST API Client
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URL Editor Portable
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SendMan: API & HTTP Client
5.0
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| API Zen | – | Free | November 17, 2025 | |
| APIOrbit – REST & GraphQL | – | Free | Oct 12, 2026 | Compare |
| API Tool Pro | – | Free | Aug 11, 2025 | Compare |
| API Dash - API Client, Testing | – | Free | Sep 24, 2024 | Compare |
| Curly — REST API Client | – | Free | Mar 5, 2026 | Compare |
| URL Editor Portable | – | 1.99 USD | Oct 21, 2026 | Compare |
| SendMan: API & HTTP Client | 5.0 / 5 (1) | Free | Jun 13, 2026 | Compare |
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