WHMCS API Call username and password

[callm9]

hello

 

can you please help me to solve

 

 

 

 

 

// WHMCS API Call
	$postfields["username"] = $wusername;
	$postfields["password"] = md5($wpassword);
	$postfields["action"] = "getclientsdatabyemail";
	$postfields["email"] = $credentials["username"];

 

thanks