hostingman123 Posted March 25, 2018 Share Posted March 25, 2018 Hello, I am trying to access the API of my whmcs installation with postman. I am able to access it with PHP, but not with Postman using the same parameters. Could anyone advise me on this one? I receive the following message: result=error;message=Authentication Failed The whmcs installation is running on a cpanel server. 1 Link to comment Share on other sites More sharing options...
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