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.
Ensure that your Paypal Pro's API Username, API Password, and API Signature were pasted correctly in the payment integration wizard.
Refer to our guide below on how/where to get your API details for your Paypal Pro account and give it another try.
Complete guide: How-to-Obtain-PayPal-API-Credentials
If you see any messages or errors while doing so, please share a screenshot with us by following the guide below.
Related guide: How-to-add-screenshots-images-to-questions-in-support-forum