About the TRYNT Credit Card Validation Web Service

The TRYNT Credit Card Validation Web Service programmatically identifies and "validates" a variety of credit cards. This web service is based on the Credit Card Validation Solution.

Types of cards handled:

• American Express
• Australian BankCard
• Carte Blanche
• Diners Club
• Discover/Novus
• JCB
• MasterCard
• Visa

Please note: This web service does not communicate with any financial instituitions. Validation is done using Mod 10 / Luhn checksum algorithm.

Click here to test this web service the test card of "4111111111111111."