A variety of API administration functions are available on this platform, including the ability to execute and test APIs without the need for additional setups or keys. The underlying authentication and authorization were something they all took. There are restrictions on the kind and number of APIs you may use, of course. It is a full marketplace with capabilities for discovery, auditing, and security. They have also developed a straightforward API testing tool that is excellent for short testing but is not as comprehensive as Postman.

This platform provides a vast number of APIs and categories to explore API functionalities. It has great API testing and management tools that even high school students can understand and learn from. I believe there are no other API tools that provide such learning opportunities.

This platform has number of API management features, such as executing/testing APIs directly from the platform without any keys or configuration. They all took are of the underlying authentication/authorization. Of course there’s limitation on how many and which APIs you can try. It’s a complete marketplace with discovery, audit, and security features. They have added a simple API testing tool as well (not exhaustive like Postman), but very useful for quick testing.