Paypal pro integration: Error on submit "Security header not valid"

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    Asked on August 12, 2019 at 02:25 AM

    I have 2 problems with this form :

    - It refuse to submit because all fields are required, even if they are all filled!

    - When it goes through, Jotform message is "Security header not valid".


  • Profile Image
    Answered on August 12, 2019 at 04:52 AM

    We're sorry for the inconvenience.

    I checked your form but I wasn't able to replicate any issue with required fields.

    I was able to replicate the issue with security header not valid error. That problem is usually related to the payment credentials used.

    I checked your form and noticed that your payment integration is in sandbox mode:

    1565599879Screen Shot 2019-08-12 at 10.4

    Please try disabling Sandbox mode and test your form again.

    Let us know if the issue persists.

    Thank you!