Best API Client alternatives: apps like API Client - REST HTTP Tester

10+ similar apps compared and reviewed

4.8 avg rating
10 free apps
Updated October 2026

Whether you want more options like API Client or a completely different take on the same concept, our curated list of 10+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.

Top Alternatives to API Client

More apps like API Client

4
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
5
API Zen
API Zen
API Zen
Find the zen in API testing
Free
🛠️ Developer Tools
(0)
6
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
7
Smart JSON & XML Editor
Smart JSON & XML Editor
Smart JSON & XML Editor
Viewer, Formatter & Tools
Free

This app provides developers, testers, and data analysts with a comprehensive mobile toolkit for working with structured data. It offers multiple editing modes, formatting, conversion between JSON and XML, and powerful data manipulation tools for efficient data management on the go.

Multiple editing modes (Tree, Source, List)Syntax highlightingOne-tap format and minify
🛠️ Developer Tools
(1)
free
8
Web DevTools+
Web DevTools+
Web DevTools+
Powerful web developer tools
Free

Inspect and edit web page elements with a DOM inspector. Analyze CSS, test rendering and media queries, and view network assets. Includes SEO, storage, device info, and accessibility tools.

DOM inspector and editorCSS analysis and quick toolsRendering and media query emulation
🛠️ Developer Tools
(2)
free
9
Dev Tool box - Developer Tools
Dev Tool box - Developer Tools
Dev Tool box - Developer Tools
JSON, URL, Base64 & More
Free
🛠️ Developer Tools
(0)
10
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
(6)
free with in-app purchases