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.
Authorize.net API Login ID and Transaction Key are unique pieces of information specifically associated with your payment gateway account. These two values are required when setting up an Internet connection between any e-commerce Web form and the payment gateway. They are used by the payment gateway to authenticate that you are authorized to submit Web site transactions. Transactions that cannot be authenticated by the payment gateway using these values are rejected.
Please check the below useful links, which explains how you can get Authorize.net API Login ID and Transaction Key:
If you have any query or need further assistance, feel free to revert back.