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My Payments Standard integration isn't processing transactions. What should I do?

son to investigate and resolve these problems. Please contact them if they're available.
  • If you use third-party shopping cart software, such as a hosted shopping cart or software that you installed on your web server, the developer of that software may need to correct a problem in their code. Contact your cart provider directly and have them review this guide.
  • For websites that use static HTML, examine your HTML directly to see if there are problems in the values being directed to PayPal. For example, in the following code, the value of the amount field is "$1,000.00," which contains invalid "," and "$" symbols. It should be updated to "1000.00."
    <form action="" method="post" target="_blank">
       <input type="hidden" name="cmd" value="_xclick">
       <input type="hidden" name="business" value="">
       <input type="hidden" name="item_name" value="Widget">
       <input type="hidden" name="amount" value="$1,000.00"> <--Problem: Remove currency symbol and comma ("1000.00")
       <input type="hidden" name="currency_code" value="USD">
       <input type="submit" value="Old PayPal checkout">
    • For more complex websites, such as those that use JavaScript or server-side software before redirecting the customer to PayPal, you may need to log the variables sent to PayPal. You can do this in your own code, or you can try using a browser tool, such as Google Chrome.

      Here’s how:
    1. Go to Developer Tools > Network, clear the log, and enable the Preserve Log option.
    2. Click a page action that would redirect a customer from your site to If this opens a second window, you may need to enable Preserve Log in that window and then go back and redo the same page action in the original window.
    3. Once you have a list of events, look for the first event named webscr, select it, then check the section titled Form Data
    Note: For more help resolving this issue, visit our Merchant Integration Technical Support Community.
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