Getting a Security Error when testing PayPal Pro integration in sandbox mode.

Hi Jotform,

I'm testing out a payment form, and am getting the attached error in sandbox mode when using a Paypal Pro widget. Please advise?

Thanks in advance,
Ginger

Thank you for contacting us. If you are using sandbox mode, make sure that your are integrating with a PayPal Sandbox Test Account: https://www.jotform.com/help/390-How-to-Test-your-PayPal-Payment-Form 

Also, contact PayPal support to make sure that your API credentials are correct:

After you have successfully tested the integration in sandbox mode, you can go live, and integrate with your Business Type PayPal account: https://www.jotform.com/help/458-How-to-Integrate-Form-with-Paypal-Pro

Let us know if you need more help.