{ "error" : "unauthorized_client", "error_description" : "Unauthorized for this grant type", "errors" : [ { "errorCode" : "OAU-251", "message" : "Unauthorized for this grant type" } ]}
here is my code below:-
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, "https://platform.devtest.ringcentral.com/restapi/oauth/token");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, "username=+12048184079&password=Reset321$$&extension=101&grant_type=password");
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_USERPWD, "1RjNgM-LTR2REFuE-ggrHA" . ":" . "524fjcIjTbiVR9CPclIZHQwXDDEd8vSayHvx_FdfegzA");
$headers = array();
$headers[] = "Accept: application/json";
$headers[] = "Content-Type: application/x-www-form-urlencoded";
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
$result = curl_exec($ch);
echo '<pre>'; print_r($result); die;
if (curl_errno($ch)) {
echo 'Error:' . curl_error($ch);
}
curl_close ($ch);