Hi, I'm currently trying to integrate the PayPal Payments API into one of my processes. At the moment I'm only working in the sandbox environment. I test this on localhost, so there is no real testing domain. I'm using the PayPal-PHP-SDK to create the payment and redirect the user to the approval page. After that, PayPal returns the user to my return url, where I try to execute the Payment. The Problem is, that I get an error 400 (UNAUTHORIZED_PAYMENT), when just trying to get the Payment from the API. I don't even try to execute it. Here is the DebugID: b204748d5081
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