Retrieve user's API_KEY
This API call is meant to retrieve user's API_KEY based on user's login credentials (username and password).
Most common use case is when integrating Countly with your own system, to retrieve user's API KEY so API requests can be made on user's behalf (usually server to server requests)
This API endpoint uses Basic Authentication, so HTTP request should be (constructed respectively)[https://developer.mozilla.org/en-US/docs/Web/HTTP/Authentication#Basic_authentication_scheme]
The easiest way is to construct authentication URL and retrieve API key in body of response: