Best Api Testing Apps

247+ iOS apps curated and reviewed

4.1 avg rating
17 free apps
Updated July 2026

Whether you're new to api testing or looking for an upgrade, our curated collection of 247+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Api Testing Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Tester: API, Scripts, TerminalTester: API, Scripts, TerminalFree4.7★ (553)NoYesAug 2026
2Rest API Testing CourseRest API Testing Course$2.995.0★ (1)NoNoMay 2026
3API-Client TestingAPI-Client TestingFree4.0★ (1)NoNoMay 2026
4API ZenAPI ZenFree was $7.99NoYesMay 2026
5PIPE: API Testing ToolPIPE: API Testing Tool$2.99NoNoJun 2026
6HTTPBot: API & HTTP ClientHTTPBot: API & HTTP ClientFree4.5★ (1.3K)NoYesAug 2026
7Apiary – API ClientApiary – API ClientFreeNoNoMay 2026
8API Tester ‎API Tester ‎FreeNoNoMay 2026

Top Picks for Api Testing

Tester: API, Scripts, Terminal#1

Tester: API, Scripts, Terminal by FJEDI

Developer Workspace
Editor's Choice
🛠️ Developer Tools
4.7😊(553 ratings)
FreeIn-App Purchases
Tester: API, Scripts, Terminal screenshot 1
Tester: API, Scripts, Terminal screenshot 2
Tester: API, Scripts, Terminal screenshot 3
Tester: API, Scripts, Terminal screenshot 4
Tester: API, Scripts, Terminal screenshot 5
Tester: API, Scripts, Terminal screenshot 6

Test various APIs directly from your mobile device. Supports REST, GraphQL, WebSockets, and more, with advanced editors and request customization. Share requests easily and manage cookies and history.

What We Love

  • 👍 User-friendly and modern UI
  • 🚀 Comprehensive and intuitive
  • 🔓 No in-app purchases
  • 🛠️ All-in-one dev tool

Room to Improve

  • 🐛 Crashes and data loss after updates
  • 🔍 Lack of cloud backup/sync
  • 🔧 Difficult to manage requests/collections
API-Client Testing#3

API-Client Testing by Hoang Son Dinh

REST API
Worth Considering
🔧 Utilities
4.0(1 ratings)
Free
API-Client Testing screenshot 1
API-Client Testing screenshot 2
API-Client Testing screenshot 3
API-Client Testing screenshot 4

Send and analyze HTTP/HTTPS requests directly from your mobile device. Save requests to collections for easy reuse and view detailed response information, including headers and round trip time. Customize connection timeout settings for efficient testing.

More Api Testing apps to explore

4
API Zen
API Zen
API Zen
Find the zen in API testing
Free
$7.99 | 100% OFF
🛠️ Developer Tools
(0)
5
PIPE: API Testing Tool
PIPE: API Testing Tool
PIPE: API Testing Tool
HTTP/S, WebSocket, MQTT
$2.99
🛠️ Developer Tools
(0)
6
HTTPBot: API & HTTP Client
HTTPBot: API & HTTP Client
HTTPBot: API & HTTP Client
API, MCP & WebSocket Debugger
Free

This app allows users to send HTTP/HTTPS requests and connect to WebSockets, making it easy to debug APIs on the go. It supports various response formats, collaboration features, and authentication methods, streamlining API development and testing.

Send HTTP/HTTPS and WebSocket requestsInspect JSON, HTML, and XML responsesImport/export Postman collections
🛠️ Developer Tools
(1.3K)
free with in-app purchases
7
Apiary – API Client
Apiary – API Client
Apiary – API Client
Local API request testing
Free
🛠️ Developer Tools
(0)
8
API Tester ‎
API Tester ‎
API Tester ‎
Test APIs
Free
🔧 Utilities
(0)
9
Postmon - Rest API Client
Postmon - Rest API Client
Postmon - Rest API Client
HTTP API Client
Free

This app allows developers to build and test REST, HTTP, and SOAP APIs directly on their iPhone or iPad. It supports various request methods, authentication types, and body formats, with features for organizing requests and inspecting responses.

HTTP/HTTPS methods (GET, POST, PUT, DELETE, PATCH)Custom query parametersBasic, Bearer/JWT, OAuth authentication
🛠️ Developer Tools
(5)
freemium
10
API Tester REST API HTTP SOAP
API Tester REST API HTTP SOAP
API Tester REST API HTTP SOAP
Test your API Client HTTP.
Free

This application provides a unified environment for developers and QA engineers to test, debug, and analyze various API types including REST, GraphQL, WebSocket, SOAP, JSON RPC, and XML. It offers features like CRUD operations, authentication support, query validation, real-time interaction, and WSDL file loading for comprehensive API testing.

REST API Testing (CRUD, HTTP methods)GraphQL query and mutation testingReal-time WebSocket interaction
🛠️ Developer Tools
(15)
free
11
API Dash - API Client, Testing
API Dash - API Client, Testing
API Dash - API Client, Testing
API Client to easily test APIs
Free

Easily create, customize, and test various HTTP API requests. Organize your requests into collections and preview multimedia responses like images and PDFs. Generate code snippets for integration into your projects.

Create and customize HTTP requests (GET, POST, etc.)Organize requests in collections and foldersPreview multimedia API responses (images, PDFs)
🛠️ Developer Tools
(0)
free
12
API Tester Pocket App
API Tester Pocket App
API Tester Pocket App
Webhook & REST Client
Free
🛠️ Developer Tools
(0)
13
RestForge - API Client
RestForge - API Client
RestForge - API Client
GraphQL & REST API Client
Free

This app allows developers to build, test, debug, and automate APIs directly from their mobile devices. It supports various HTTP methods, body types, and offers cloud sync, scripting, and SOAP support. Premium features include code export and an analytics dashboard.

Send and test all HTTP methodsSupport for multiple body typesImport from popular API tools
🛠️ Developer Tools
(4)
free with in-app purchases
14
API Client - REST HTTP Tester
API Client - REST HTTP Tester
API Client - REST HTTP Tester
REST API Tester & HTTP Client
Free
🛠️ Developer Tools
(0)
15
SendMan: API & HTTP Client
SendMan: API & HTTP Client
SendMan: API & HTTP Client
Build, Test & Monitor APIs
Free

This tool allows developers to build, test, and monitor APIs from any location. Organize requests, save collections, and debug efficiently by comparing responses and inspecting payloads.

Build and test APIsMonitor API performanceOrganize requests and collections
🛠️ Developer Tools
(1)
ad-supported
16
npn.dev
npn.dev
npn.dev
An HTTP client that works
Free

This tool allows developers to explore and test HTTP APIs efficiently. It prioritizes speed and accuracy for a seamless development experience.

HTTP API explorationAPI testing capabilitiesFocus on speed
🛠️ Developer Tools
(1)
free
17
ApiClient
ApiClient
ApiClient
REST API Client
Free

Test and manage REST APIs directly from your phone. Import, edit, and export Postman collections, send Firebase notifications, and format JSON requests on the go. Save API requests and responses for easy access and sharing.

Create HTTP/HTTPS requestsImport/export Postman collectionsSend Firebase notifications
🛠️ Developer Tools
(0)
free with in-app purchases
18
Httper, mobile postman app
Httper, mobile postman app
Httper, mobile postman app
HTTP REST API app like postman
$1.99

This app allows developers to test REST APIs directly from their iOS devices. It supports sending HTTP requests with custom headers, parameters, and bodies, and displays responses in various formats. It also includes helpful internet tools like ping and WHOIS.

HTTP request submission with headers, parameters, and bodyMultiple response display styles (pretty, raw, preview, detail)Project organization for requests
🔧 Utilities
(9)
paid
19
Telegraph - API Client
Telegraph - API Client
Telegraph - API Client
API Testing & Validation
Free
$4.99 | 100% OFF
📊 Productivity
(0)
20
API 1169 Practice Test
API 1169 Practice Test
API 1169 Practice Test
API 1169 Study Tool
Free
📚 Education
(0)

FAQ about Api Testing

What are the best api testing apps for iPhone?
Tester: API, Scripts, Terminal tops our api testing apps ranking as of July 2026, with a 4.7-star average from 553 App Store ratings, and it's free to download.
Yes — 17 of the top api testing apps we rank are free to download, including Tester: API, Scripts, Terminal and API-Client Testing.
Tester: API, Scripts, Terminal has no ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 247+ api testing apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
This app supports testing a wide range of API types, including REST, GraphQL, WebSocket, SOAP, JSON RPC, XML, HTTP, and HTTPS. You can perform various HTTP requests like GET, POST, PUT, and more.
You can import requests easily by providing a curl command, a link, or a file. The app supports importing collections in formats like Swagger, OpenAPI, and Postman.

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