Contis API service notifies API client if the postcode in the consumer’s address matches with Contis grey list.
The notification contains information about:
- Date of postcode verification in the Grey list
- Confirmation whether postcode is ‘in’ the or ‘not in’ the Contis postcode grey list
Grey list check notification parameters
| Parameters | Type | Description | Default value |
| NotificationType | String | Three-digit unique identifier of the notification. Numeric value “048” denotes the the grey list check notification. | Blank |
| GreyListCheckDate | string | The date and time of HOSC check. The format is yyyyMMddHHmms. Maximum length = 14 characters. | |
| CardHolderId | Integer | Unique identifier of the consumer. | 0000000 |
| IsGreyAreaPostcode | Integer | Boolean that identifies whether the postcode in consumer’s address “exists” or “does not exist” in Contis Postcode Grey List. Value 1= “true”= “exists”. Value = 0 = “false”= “does not exist”. |
Example of grey list check notification
The table is an example of grey list check notification. The value 1 of the Boolean “IsGreyAreaPostcode” confirms that postcode of the consumer exists in Contis postcode grey list.
Grey list check notification
| Parameter name | Value |
| NotificationType | 048 |
| GreyListCheckDate | 20161116063343 |
| CardHolderId | 48142 |
| IsGreyAreaPostcode | 1 |
To generate the Security Hash:
Hash sequnse : NotificationType &GreyListCheckDate&CardHolderId&IsGreyAreaPostcode&HashPAN Key
HashDataString :063&55320&20191129063343&CF24 3DG&The Business Centre&Studio 103&61 Wellfield Road&Cardiff&Roath&Roath&826&subbuilding example&substreet example&Bedfordshire& SecurityKey : abcdefghijklmnop HashGenerationData : HashDataString + SecurityKey Hash : 411c47ef10e04a90086de417d73ffbce
Note: In this example, the SecurityKey = is the “Hash PAN Key” provided to the client in the API configuration file.