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 - "Security error - Security Header is Not Valid"

    Asked by lwjunior2 on June 18, 2015 at 01:31 AM

    Hello.

     

    I'm trying to set up a form which can accept PayPal Payments however I get this Error message when the form is submitted.

     

    What does this mean and how do I fix it?

     

    Regards

    security error security header valid message hello and how
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    JotForm Support

    Answered by BJoanna on June 18, 2015 at 03:20 AM

    Most likely issue here Header is that your API credentials are not correct. For example, you might have an extra character, a wrong character or less characters added for API credentials, which causes this.

    Once you add correct details you should no longer see any errors shown.

    Hope this will help. Let us know if you need further assistance.