pay-cardid

GOV.UK Pay Card information service

The service provides an API that can be accessed to retrieve card information for a given card number.

Environment Variables

• ADMIN_PORT: The port number to listen for Dropwizard admin requests on. Defaults to 8081.
• BIND_HOST: The IP address for the application to bind to. Defaults to 127.0.0.1
• JAVA_OPTS: Options to pass to the JRE. Defaults to -Xms1500m -Xmx1500m.
• PORT: The port number to listen for requests on. Defaults to 8080.
• TEST_CARD_DATA_LOCATION: The path to load bin ranges for test cards from. Defaults to classpath:/data-sources/test-cards.csv.
• WORLDPAY_DATA_LOCATION: The path to load bin ranges for Worldpay from. Defaults to classpath:/data-sources/worldpay-v3.csv.
• DISCOVER_DATA_LOCATION: The path to load bin ranges for Discover cards from. Defaults to classpath:/data-sources/discover.csv.

Card data

The data for this service is sourced externally from supported providers. The service currently supports data provided by:

• Worldpay
• Discover

For the service to build and run, BIN range data from the supported providers should be available in the data-sources folder:

Worldpay

Location: /resources/data-sources/worldpay-v3.csv Format: csv

The csv file should have the following structure.

00,20240122,611649,,,,,,,,,,,,,,,,,,,,,
01,999999999999999998,999999999999999999,CN,MASTERCARD CREDIT,APERTURE SCIENCE INC.,BRA,76,BRAZIL,C,BRL,DCC allowed,AC000,N,N,,16,D,,,,,,
99,611648,,,,,,,,,,,,,

Key	Meaning
00	Header
01	Data record
99	EOF

Discover

Location: /resources/data-sources/discover.csv Format: csv

Data from Discover is in pdf format and should be converted to csv. The csv file should have the following structure.

01,START,END,TYPE,BRAND
02,12345678,12345679,C,DISCOVER
09

Key	Meaning
01	Header
02	Data record
09	EOF

Test Card Data

Location: /resources/data-sources/test-cards.csv Format: csv

The data is a manual collection of test cards provided by our API documentation, converted into a csv format. The csv file should have the following structure:

01,START,END,TYPE,BRAND
02,123456789,123456789,C,VISA
09

Key	Meaning
01	Header
02	Data record
09	EOF

API Specification

POST /v1/api/card

Returns information for a given card number.

Request example

POST /v1/api/card

{
    "cardNumber": "1234567812345678"
}

Payment response

HTTP/1.1 200 OK
Content-Type: application/json

{
    "brand": "visa",
    "type": "D",
    "label": "visa"
}

Licence

MIT License

Vulnerability Disclosure

GOV.UK Pay aims to stay secure for everyone. If you are a security researcher and have discovered a security vulnerability in this code, we appreciate your help in disclosing it to us in a responsible manner. Please refer to our vulnerability disclosure policy and our security.txt file for details.