post https://sandbox-api.helix.q2.com/card/mock/decline/purchase/authorize
Generate a mock declined purchase authorization in sandbox. This endpoint will generate a Debit Card Declined real-time event with userEventTypeId=3060640.
[block:callout]
{
"type": "danger",
"body": "This endpoint can only be used by Visa DPS programs and only within the sandbox environment."
}
[/block]