API testing tool. Which allows web developers to create and test custom HTTP requests.
Platforms
- Mac
- Windows
- Linux
- Chrome OS
- AppImageHub
- Google Chrome
- Chromium
Poland
EU
API Tester Alternatives
API Tester is described as 'The first mobile app to test any type of API on the go. Test REST, GraphQL, WebSocket, SOAP, JSON RPC, XML, HTTP, and HTTPS APIs completely for free, on iOS or Android' and is a API Client in the development category. There are more than 50 alternatives to API Tester for a variety of platforms, including Mac, Windows, Linux, Web-based and Flathub apps. The best API Tester alternative is Postman, which is free. Other great apps like API Tester are Insomnia REST Client, Yaak, Fiddler and Hoppscotch.
Alternatives list
- 78 Advanced REST Client alternatives
The API Astrolab enables today’s API-first companies to show their API products in a visual way so that anyone can understand how they work.
Cost / License
- Freemium
- Proprietary
Platforms
- Online
- Software as a Service (SaaS)
United States
HarborClient is a free, open-source desktop API client for macOS, Windows, and Linux. It gives you a familiar Postman-style workspace—collections, environments, request scripts, and a tabbed editor—while keeping your work on your machine or on storage you control.
Cost / License
- Free
- Open Source (MIT)
Platforms
- Windows
- Mac
- Linux
- United States
Cartero is a graphical HTTP client that can be used as a developer tool to test web APIs and perform all kind of HTTP requests to web servers. It is compatible with any REST, SOAP or XML-RPC API and it supports multiple request methods as well as attaching body payloads to...
Cost / License
- Free
- Open Source (GPL-3.0)
Application type
Platforms
- Linux
- Windows
- Flathub
- Flatpak
- Nix Package Manager
- Mac
Spain- EU
Cost / License
- Free
- Proprietary
Application typeApplication types
Platforms
- Windows
+7
Cost / License
- Free
- Proprietary
Platforms
- Visual Studio Code
- Mac
- Windows
- Linux
- United States
+2
Upcoming API testing tool in beta, built in GoLang, supporting HTTP/gRPC, workspaces, environments, request management, and various content types. Features include dark mode, local data storage, Postman import, environment variable setting, and request chaining.
Cost / License
- Free
- Open Source (BSD-3-Clause)
Application typeApplication types
Platforms
- Mac
- Linux
+4
Stoplight is an API Design, Development, and Documentation platform that enables consistency, reusability, and quality, all with an easy, enjoyable developer experience.
Cost / License
- Freemium
- Open Source
Application type
Platforms
- Mac
- Windows
- Linux
- Online
- United States
Testsigma's AI-native testing platform finds what is not covered and gives QA and engineering leaders the release confidence before every deploy, with automation execution across web, mobile, API, and Salesforce.
Cost / License
- Paid
- Proprietary
Application type
Platforms
- Online
- Software as a Service (SaaS)
- United States
+3
Treblle is a federated API Intelligence platform delivering full API visibility, security, and control from one integration point.
Cost / License
- Freemium
- Proprietary
Platforms
- Mac
- Windows
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Software as a Service (SaaS)
Croatia- EU
Design and debug APIs in a powerful visual editor. Describe and debug easily with JSON Schema support. Apidog is a complete set of tools that connects the entire API lifecycle, helping R&D teams implement best practices for API Design-first development.
Cost / License
- Freemium
- Proprietary
Application typeApplication types
Platforms
- Mac
- Windows
- Linux
- Online
Singapore
+1
ArdorQuery is a cross-platform tool for performing any HTTP(S) endpoints like REST API, HTML, Images, GraphQL, OData etc.
Cost / License
- Free
- Open Source (GPL-3.0)
Application typeApplication types
Platforms
- Mac
- Linux
- Flathub
