The final confirmation page on your website must contain:
- An HTML FORM with the Action set to the Opayo Form submission URL
- The following four hidden fields as part of that Form:
Name |
Description |
Mandatory |
Valid Characters |
Max Length |
Allowed Values |
---|---|---|---|---|---|
VPSProtocol |
This is the version of the protocol you are integrating with. Default or incorrect value is taken to be 4.00. |
Yes |
Digits and periods |
4 |
4.00 |
TxType |
This value should be in UPPERCASE. |
Yes |
Uppercase letters |
15 |
|
Vendor |
This field is used to authenticate your site. It should contain the Opayo Vendor Name supplied by Opayo when your account was created. |
Yes |
Letters and digits |
15 |
|
Crypt |
Your site builds the Crypt field in real time for each order. The contents of the field are described below. All other transaction information is encrypted then encoded. |
Yes |
DEPENDANT |
|
|