TestMace is a API Testing Development IDE for Windows, Linux and MacOS. It is available in free and Paid versions. Using this you can test your API, share your code and it comes with auto completion and syntax highlight. The basic version is completely free for commercial use also. The free version comes with tests editor and scenarios, YAML format support, JS scripts and Embedded authentication methods. You can also import requests from cURL, Postman collections and importing API from Swagger and OpenAPI.