17.Description of Parameters

The parameters are listed and defined in the table below.

Parameter	Type	Description
account	Integer	The unique ID associated with a payment transaction. It is optional. If you omit this parameter, the payment transaction is associated with the default sub-account.
client-id	Integer	The unique ID configured for a merchant on the Velocity POP.
auth-token	String	A unique token sent to the specified auth-url to authenticate customers when they pay with a stored card and use single sign-on.
operator-id	Integer	The ID of a customer’s mobile network operator. CPD recommends including this parameter in a request to ensure that Velocity interacts with the operator accurately.
country-id	Integer	The CPD-specific country code, which is made available to merchants on request.
email	String	The email address of a customer.
customer-ref	String	The unique reference ID given by a merchant for a customer. Velocity uses this token to identify a user. The customer reference is included in the request to a specified auth-URL to identify customers when they: Pay with a stored card through the mVault Use single sign-on. Note: Customer-ref can be mandatory or optional, based on the requirement of a merchant or a PSP.
type-id	Integer	A type of card.
country-id	Integer	The CPD-specific country code, which is made available to merchants on request.
card-holder-name	String	The name of a card holder.
card-number	String	The card number used for transaction.
expiry-month	String	The date on which a card expires.
expiry-year	String	The year in which a card expires.
language	String	The language that Velocity uses as default when translating the payment pages. Note: Velocity language codes are based upon the ISO- 639-1 standard. Refer to https://en.wikipedia.org/wiki/List_of_ISO_639-1_codes for details.
version	String	The version of the API or application that send the request.
card-holder-name	String	The name of a card holder.
card-number	String	The card number used for transaction.
expiry-month	String	The date on which a card expires.