Purpose: validate login credentials and get user profile for a mobile worker or a web user
Single Sign On URL: https://www.commcarehq.org/a/[domain]/api/[version]/sso/
Sample URL:
https://www.commcarehq.org/a/[domain]/api/[version]/sso/
Post a url encoded username an password such as:
username=MY_USERNAME&password=MY_PASSWORD
If your credentials are correct, output will be identical to the User API or Web User API, as appropriate.