Postman works great. The only feature I would like to see added is to somehow easilu swap a base URL in requests. So I have to maintain just one collection per API and not multiple collections for multiple API deployments (production, testing, staging).
You can do this by using the environments feature. Create an environment and add a key to that environment to represent the base URL. Then in the the URL line replace your base URL with the reference to the key. For example http://{{base-url}}/api/
