PayPal Express: Security error - Security header is not valid

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    nkanemy
    Asked on April 14, 2018 at 12:05 PM

    How to integrate Paypal express

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    Adrian
    Answered on April 14, 2018 at 02:51 PM

    Please note that you need a PayPal Pro Account in order to be able to integrate your form with PayPal Express.

    Help Article: Difference Between PayPal and PayPal Pro

    If you have a PayPal Pro account, make sure you enter the correct API credentials in the Payment Integration.

    If you have a standard PayPal account, check out the guide below.
    How to Integrate Form with Paypal (Standard)

    Let us know if you need further assistance.