Best Rest Api Client Apps

209+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated May 2026

Out of 209+ rest api client apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Rest Api Client Apps (May 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Postmon - Rest API ClientPostmon - Rest API ClientFreeNoNoJul 2026
2Teste - API, Scripts, TerminalTeste - API, Scripts, TerminalFree4.7★ (496)NoNoJul 2026
3HTTPBot: API & HTTP ClientHTTPBot: API & HTTP ClientFree4.5★ (1.3K)NoYesJul 2026
4Curly — REST API ClientCurly — REST API ClientFreeNoNoJul 2026
5Rest – HTTP API ClientRest – HTTP API ClientFree4.5★ (88)NoYesJul 2026
6REST API ClientREST API ClientFree4.2★ (5)YesYesJul 2026
7API Client - REST HTTP TesterAPI Client - REST HTTP TesterFreeNoNoJun 2026
8API Tester REST API HTTP SOAPAPI Tester REST API HTTP SOAPFree4.9★ (10)NoNoJun 2026

Top Picks for Rest Api Client

Postmon - Rest API Client#1

Postmon - Rest API Client by Anupkumar Naginbhai Patel

HTTP API Client
Editor's Choice
🛠️ Developer Tools
0.0(0 ratings)
FreeIn-App Purchases
#79in Developer Tools
Postmon - Rest API Client screenshot 1
Postmon - Rest API Client screenshot 2
Postmon - Rest API Client screenshot 3
Postmon - Rest API Client screenshot 4
Postmon - Rest API Client screenshot 5

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.

Teste - API, Scripts, Terminal#2

Teste - API, Scripts, Terminal by FJEDI

Developer Workspace
Strong Contender
🛠️ Developer Tools
4.7😊(496 ratings)
Free
Teste - API, Scripts, Terminal screenshot 1
Teste - API, Scripts, Terminal screenshot 2
Teste - API, Scripts, Terminal screenshot 3
Teste - API, Scripts, Terminal screenshot 4
Teste - API, Scripts, Terminal screenshot 5
Teste - 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
HTTPBot: API & HTTP Client#3

HTTPBot: API & HTTP Client by Arvindh Sukumar

Make Requests, Debug APIs
Worth Considering
🛠️ Developer Tools
4.5😐(1.3K ratings)
FreeIn-App Purchases
#41in Developer Tools
HTTPBot: API & HTTP Client screenshot 1
HTTPBot: API & HTTP Client screenshot 2
HTTPBot: API & HTTP Client screenshot 3
HTTPBot: API & HTTP Client screenshot 4
HTTPBot: API & HTTP Client screenshot 5
HTTPBot: API & HTTP Client screenshot 6

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.

What We Love

  • 🚀 Intuitive interface
  • 👍 Postman integration
  • 🚀 Powerful HTTP client
  • 👍 Great tool for API testing

Room to Improve

  • 🐛 Crashes and bugs
  • 🔒 Lacks security features (e.g., client certificates)
  • 💰 Expensive for the limited free version

More Rest Api Client apps to explore

4
Curly — REST API Client
Curly — REST API Client
Curly — REST API Client
REST API Client for Developers
Free
🛠️ Developer Tools
(0)
5
Rest – HTTP API Client
Rest – HTTP API Client
Rest – HTTP API Client
Perform HTTP Requests
Free

Easily perform HTTP requests directly from your mobile device. Supports various body types, syntax highlighting, and detailed response inspection. Import collections and manage project variables for efficient API testing.

Supports JSON, Form & Multipart bodiesSyntax highlighting and JSON error reportingAll common and custom HTTP methods
🛠️ Developer Tools
(88)
free with in-app purchases
6
REST API Client
REST API Client
REST API Client
REST API and GraphQL Client
Free

This tool allows users to send and analyze API requests with customizable parameters, authorization, and body content. It offers robust search and filtering capabilities for managing saved requests, optimized for iPadOS with keyboard support.

Send and analyze API requestsCustomize query parameters, authorization, and headersSupport for four body types
🛠️ Developer Tools
(5)
free with in-app purchases
7
API Client - REST HTTP Tester
API Client - REST HTTP Tester
API Client - REST HTTP Tester
REST API Tester & HTTP Client
Free
🛠️ Developer Tools
(0)
8
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
(10)
free
9
Hey Action: REST API Client
Hey Action: REST API Client
Hey Action: REST API Client
Quick HTTP Request Tool
Free
🛠️ Developer Tools
(0)
10
API Bot
API Bot
API Bot
API calls at your fingertips
Free

This tool empowers mobile developers to build and test APIs directly on their devices. It leverages on-device machine learning to analyze API results and identify patterns, while also allowing for the creation and management of various request types and data formats.

On-device machine learning for API result analysisBuild GET, POST, PUT, DELETE requestsManage headers and data
🛠️ Developer Tools
(14)
free with in-app purchases
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-Client Testing
API-Client Testing
API-Client Testing
REST API
Free

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.

Send HTTP/HTTPS requestsAnalyze REST API responsesRequest history
🔧 Utilities
(1)
free
13
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
14
Relay: HTTP & REST Client
Relay: HTTP & REST Client
Relay: HTTP & REST Client
API Tester & REST Client
Free
🛠️ Developer Tools
(0)
15
Telegraph - API Client
Telegraph - API Client
Telegraph - API Client
API Testing & Validation
Free
$4.99 | 100% OFF
📊 Productivity
(0)
16
CRUD Client
CRUD Client
CRUD Client
REST API Client in your hand
Free
🛠️ Developer Tools
(0)
17
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
(0)
ad-supported
18
Ullr Rest Client
Ullr Rest Client
Ullr Rest Client
Rest & HTTP
Free
🛠️ Developer Tools
(0)
19
Apiary – API Client
Apiary – API Client
Apiary – API Client
Local API request testing
Free
🛠️ Developer Tools
(0)
20
APIOrbit – REST & GraphQL
APIOrbit – REST & GraphQL
APIOrbit – REST & GraphQL
AI-Powered API Client & Tester
Free

This native client allows developers to send and test REST and GraphQL requests on iPhone and iPad. It features an AI assistant for generating code, documentation, and mock data, along with robust debugging and media preview capabilities.

AI-powered code generationREST and GraphQL request testingJSON viewer and search
🛠️ Developer Tools
(0)
free with in-app purchases

FAQ about Rest Api Client

Are there free rest api client apps for iPhone?
Yes — 20 of the top rest api client apps we rank are free to download, including Postmon - Rest API Client and Teste - API, Scripts, Terminal.
Postmon - Rest API Client has no ads and has no in-app purchases, according to its App Store listing as of May 2026.
We track 209+ rest api client apps on the iOS App Store as of May 2026, ranked by rating, recency, and analysis of real user reviews.
Postmon is a powerful yet simple API client for iPhone and iPad designed for working with REST APIs, HTTP APIs, and SOAP APIs. It allows you to build requests, inspect responses, and iterate on your backend directly from your mobile device.
Postmon supports a wide range of HTTP methods including GET, POST, PUT, DELETE, and PATCH, enabling you to interact with most modern REST and HTTP APIs.