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Overview
The response from the 3D Callback service is identical to that of the initial registration POST.
POST
|
Name |
Description |
Mandatory |
Valid Characters |
Max Length |
Allowed Values |
|---|---|---|---|---|---|
|
VPSTxId |
The Opayo ID that uniquely identifies the transaction on our system. This must match the VPSTxId value passed back to you with the CReq in response to your transaction registration POST. |
Yes |
Letters, digits, hyphens, and curly brackets
|
38 |
|
|
CRes |
A Base64 URL encoded message sent back by Issuing Bank to your notificationURL at the end of the 3D-Authentication process. This field must be passed back to Direct along with the VPSTxId field to allow the Opayo MPI to decode the result. Important: You will receive this value back from the Issuing Bank in a field called cres (lower case ‘cr”) and it must be passed to Opayo as CRes (uppercase ‘CR’).
|
Yes |
BASE64 |
7500 |
|
