Please note, that when you create a test App in our sandbox you will receive test data in your App. The test data for your Visa Developer application is available in the Dashboard under test data in the left navigation, this will ensure that you are using valid data that has been provisioned for specific scenarios. You will basically have a table per API that is split into the Request and Response sections and the values on the Request section are meant to be populated in the payload with the intention of obtaining results specified in the Response section. Sandbox data is limited to what is provided in the Test Data tables and is not integrated to the Visa Network and you cannot test real data in sandbox.
If the error persists, please provide the following information:
1. Endpoint 2. Request Header 3. Request Body 4. Response Header (include the x-correlation-id) 5. Response Body
Using SoapUI, you can find the x-correlation-id in the Raw Tab of the response header.
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