Cost / License
- Freemium
- Proprietary
Application type
Platforms
- Software as a Service (SaaS)


Apps similar to HttpMaster include cURL, which is free and open source. Other options are Postman, Insomnia REST Client, Fiddler and Yaak. There's no shortage of API Clients like HttpMaster, with more than 50 alternatives for Mac, Windows, Linux, the web and Android.


Gotcha HTTP Client is a lightweight http client that allows you to make requests and inspect responses.




Examine is a new, feature-rich and intuitive Web Services testing tool that is deployed as a web application on a server and allows multiple users to login and use the application. It provides centralized SOAP and REST projects and tests management with excellent support for...




API integration platform for testing, prototyping, and running of any API flow. The right tool for successful API flow integration - nice, easy, simple, and cheap.


GetAPI is a native macOS app that simplifies REST API testing by allowing users to import from Postman, make HTTP requests, and view responses in a streamlined interface.




Resonance is a local-first, zero-account API client application designed to provide an excellent user experience for testing and interacting with APIs. Built with Tauri, it offers a modern and intuitive interface for developers.

API test automation tool that has GUI, supports HTTP stubs (mock services), data driven testing, and API types beyond HTTP, such as relational database, JMS, FTP(s), AMQP, MQTT, etc.
EchoAPI is an all-in-one API development collaboration platform that offers essential features like API debugging, design, automated testing, stress testing, and documentation generation.
Free, open-source Fiddler Classic alternative for Windows. Capture, inspect, filter, replay, compose and mock HTTP/HTTPS traffic with TLS decryption, HTTP/2, HTTP/3 and SAZ support.



Helps you to test the Rest API with your phone including features like import, edit and export postman collections.With this, you don't need to look for your laptop or PC whenever you need to test and modify your REST APIs. You can work on them anytime, on the go.



Easy, intuitive yet powerful HTTP(S) debugging proxy for macOS, Windows and Linux — capture, inspect, mock, break and replay traffic.



