Best Postman Alternatives To Consider in 2025

APIs API Tools API Testing

Postman Landing Page
1

Postman

The Collaboration Platform for API Development
Pricing:
- Open Source
- Focus on specific needs: Does the tool excel at SOAP APIs or cater to microservices? - Resource usage: Does it handle complex projects without impacting system performance? - Script reusability: Does it allow for efficient code sharing across projects?3. Is Postman the best API tool?Not all-encompassing. While Postman is powerful, the "best" tool depends on your specific project requirements and development workflow.For your next read#comp-lu6qo2pw6 {aspect-ratio: 1.7777777777777777;}#comp-lu6qo2py9 svg [data-color="1"] {fill: #1A6AFF;} #comp-lu6qo2py9 svg [data-color="2"] {fill: #060607;}

#APIs #Developer APIs #Developer Tools 30 social mentions
HyperTest Landing Page

2

HyperTest

Release 10X Faster with an Automated Integration Testing

From open-source projects like SoapUI to comprehensive platforms like HyperTest, developers have a wealth of options to choose from. These alternatives not only match Postman’s capabilities but also address some of its limitations, providing more specialized solutions for API testing and development.

#Messaging #SaaS #Cloud Software Management
Insomnia REST Landing Page
3

Insomnia REST

Design, debug, test, and mock APIs locally, on Git, or cloud. Build better APIs collaboratively for the most popular protocols with a dev‑friendly UI, built-in automation, and an extensible plugin ecosystem.
Pricing:
- Open Source
It is a free, open-source platform that boasts a user-friendly interface and robust features like environment and collection management, code snippets, and test automation. Compared to Postman, Insomnia offers a lighter footprint and a more customizable workspace.

#API Tools #API #Developer Tools 129 social mentions
soapUI Landing Page

4

soapUI

SoapUI Pro is one of the most prominent API testing platforms around, allowing developers to quickly prototype the functions of their apps and get them to market with little hassle.

This open-source tool caters specifically to SOAP and RESTful web services. SoapUI excels in security testing, with features like load testing and functional testing. While not as beginner friendly as Postman, SoapUI offers a comprehensive solution for more complex API testing needs.

#Software Testing #API Tools #Website Testing
REST-Assured Landing Page

5

REST-Assured

Testing and validating REST services in Java is harder than in dynamic languages such as Ruby and Groovy. REST Assured brings the simplicity of using these languages into the Java domain.

This free, Java-based library allows developers to write API tests directly in Java code. REST Assured integrates seamlessly with popular testing frameworks like JUnit and TestNG. While lacking a graphical interface, it offers powerful scripting capabilities for advanced users comfortable with coding.

#API Tools #APIs #API Testing 10 social mentions
Thunder Client Landing Page

6

Thunder Client

Rest API client for VS Code, lightweight Postman alternative

This free, feature-rich extension integrates seamlessly with VSCode, making it ideal for developers who prefer a unified environment. Thunder Client offers collection management, environment variables, and basic automation capabilities. It stands out for its tight integration with VSCode's debugging tools.

#Developer Tools #Tech #APIs