Fraud check notification

Provides notification that a user's details are a potential fraud risk.

Fraud check notification parameters

Parameters	Type	Description
NotificationType	string	Three-digit identifier of the notification type. "048" denotes the the Fraud check notification.
GreyListCheckDate	string	The date and time of the fraud check in `yyyyMMddHHmmss` format.
CardHolderId	integer	Unique identifier of the user.
IsGreyAreaPostcode	boolean	Denotes if the user is a potential fraud risk. Possible values: 1 (true) or 0 (false.)
SecurityHash	string	Contains the hash of the payload values and your webhook security key, to verify the origin and integrity of the notification.

Example of Fraud check notification

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{
   "NotificationType" : "048",   
   "GreyListCheckDate" : "20161116063343",
   "CardHolderId" : "48142",
   "IsGreyAreaPostcode" : "1",
   "SecurityHash" : "c748390ca37d8677ea86ac4007274820524671f8d716db26297ee2766d42e2dc"
}

Validating the notification security hash

Security Hash validation

See the respective guide for more information on calculating and verifying the notification security hash.

To compute the hash of the notification payload, concatenate the payload values in the following sequence, with your webhook security key as the final item:

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<NotificationType>&<GreyListCheckDate>&<CardHolderId>&<IsGreyAreaPostcode>&<webhook-security-key>

The payload values above and example webhook security key of abcdefghijklmnop, will produce the following hash input:

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048&20161116063343&48142&1&abcdefghijklmnop