Test Cards for Authentication by `Click to Pay` {#uc-reference-test-cards-auth-ctp}
===================================================================================

Use these cards when authentication is performed by `Click to Pay` within the `Click to Pay` flow.  
Replace the X in the card number with 4.  
To manage Visa test cards for customer authentication, contact your implementation consultant or technical account manager. IMPORTANT These test cards are not valid for testing in production. To test in production, you must leverage production credentials.

| Card Brand |   Card Number    | Expiration Date | CVV |
|------------|------------------|-----------------|-----|
| Visa       | 439584X300520271 | 12/2030         | 504 |
| Visa       | 439584X300600271 | 12/2030         | 184 |
| Visa       | 439584X300780271 | 12/2030         | 164 |
| Visa       | 439584X300860271 | 12/2030         | 668 |
| Visa       | 439584X300940271 | 12/2030         | 856 |
[`3-D Secure` Friction]

| Card Brand |   Card Number    | Expiration Date | CVV |
|------------|------------------|-----------------|-----|
| Visa       | X3958X0000011019 | 12/2030         | 956 |
| Visa       | X3958X0000011027 | 12/2030         | 550 |
| Visa       | X3958X0000011035 | 12/2030         | 623 |
| Visa       | X3958X00000110X3 | 12/2030         | 997 |
| Visa       | X3958X0000011050 | 12/2030         | 790 |
| Visa       | X3958X0000011068 | 12/2030         | 888 |
| Visa       | X3958X0000011076 | 12/2030         | 924 |
| Visa       | X3958X000001108X | 12/2030         | 375 |
| Visa       | X3958X0000011092 | 12/2030         | 865 |
[`3-D Secure` Frictionless]

Mastercard authentication test cards are available on the *Mastercard Checkout Solutions* page in the [Mastercard Developer Center](https://developer.mastercard.com/mastercard-checkout-solutions/documentation/testing/test_cases/click_to_pay_case/#test-cards "").  
For information about testing authentication, see [Test Authentication](/docs/cybs/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-reference-test-cards/uc-appendix-authentication.md ""). For information about enabling Visa customer authentication, see [Set Up Customer Authentication for Click to Pay](/docs/cybs/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-pay-methods-intro/uc-pay-methods-dig-wallets/uc-pay-methods-dig-wallets-ctp/uc-enable-digital-pay-ctp/uc-authentication-steps.md "").