The 3-digit code is know as the Card Identification Number (CID) or Card Verification Code (CVC) or Credit Card Verification (CCV) number. The 3-digit code is a security measure to protect our clients. To prevent fraudulent credit card use, we ask that you provide the code as proof that you have the actual card in your possession.
How do I find the CID code on my credit card?
This code is printed directly on the credit card:
Visa/Mastercard/Discover 3-digit code (on back):
American Express 4-digit code (on front):