Error in sandbox mode for

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    Asked on October 19, 2016 at 11:41 AM

    I received an API login ID and a Transaction Key from the developer site of, but when I try to fill out the form I get this error: 



    this is the form I am testing:


    I went back and checked everything, but I cannot find anything wrong. 

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    Answered on October 19, 2016 at 01:18 PM

    From the knowledge base, I see that the error message appears when the product type selected is not supported to process the payment. Please follow the steps below to change the selected Product Type with a different one and see if that works:

    1. Log into your account at

    2. Click Account from the main toolbar

    3. Click Merchant Profile

    4. Refer to the Product Type listed under Business Information

    Let us know how it goes after making this change. We will be happy to assist you further.