wapacro
commented
7 years ago According to the official documentation the _unsupported_granttype error is thrown if the specified grant type (in this case password) is not supported by the server.
Are you using an On-Premise solution?
when i am trying to call
<?php require( "lib/base.ucwa.class.php" ); $ucwa = new UCWA_init( "http://myapp.example.com" ); $ucwa->getAccessToken( "some.user@yourdomain.com", "P@ssw0rd!" ); ?>got error
{"error":"unsupported_grant_type"}