What is JotForm?
JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.

At JotForm, we want to make sure that you’re getting the online form builder help that you need. Our friendly customer support team is available 24/7.

We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.

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    PayPal Pro: Security header is not valid

    Asked by cesmeatlatur on January 25, 2016 at 06:09 AM

    Dear All 

    I would like to use Paypal Pro , but get this 

    Security error
    Security header is not valid
    Could you please help me about it what I have to do for use it . 
    Thank You 
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    JotForm Support

    Answered by Mike on January 25, 2016 at 10:45 AM

    Thank you for contacting us.

    Have you solved the problem by updating your PayPal Account API details on the form?

    My test PayPal submission was properly forwarded to the PayPal payment page.

    If the issue still persists, please let us know.