I first did a checkout experience profile creation to the URL: https://api.sandbox.paypal.com/v1/payment-experience/web-profiles POST It responded with an id: "XP-FOO-BAR", then I made the payment request with that same id and the approve_url url returned. I add it to Paypal Plus and it keeps giving me the same error message: "MISSING_EXPERIENCE_PROFILE_ID". Should the payment experience profile id be reported in PayPal Plus? In what field?
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