Test Authentication {#uc_appendix_authentication}
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Use this table to determine how to test your authentication method.

| Payment Method |                  Authentication                   |        Minimum Follow-On Actions         |                                                                                                       Prerequisites                                                                                                        |                                                                                                                                                                                                                                                     Test Cards                                                                                                                                                                                                                                                     |                                                                                                                                                                                                                                                                                      Details                                                                                                                                                                                                                                                                                       |
|----------------|---------------------------------------------------|------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| PAN Entry      | `Payer Authentication` through `Unified Checkout` | Authorization and `Payer Authentication` | The transacting MID must be enabled for `Payer Authentication` and the complete mandate is used with the consumerAuthentication field set to `3DS` or `PASSKEY`.                                                           | See [Testing `Payer Authentication`](https://developer.cybersource.com/docs/cybs/en-us/payer-authentication/developer/all/rest/payer-auth/pa-testing-intro.md "") in the *`Payer Authentication` Developer Guide.*                                                                                                                                                                                                                                                                                                 | When the complete mandate is not used, `Unified Checkout` does not initiate authentication and you must perform authentication within your own environment.                                                                                                                                                                                                                                                                                                                                                                                                                        |
| `Click to Pay` | `Payer Authentication` through `Unified Checkout` | Authorization and `Payer Authentication` | The transacting MID must be enabled for `Payer Authentication` and the complete mandate is used with the consumerAuthentication field set to `3DS` or `PASSKEY`. Authentication for `Click to Pay` must not be configured. | See [Unified Checkout Test Cards](/docs/cybs/en-us/digital-accept-flex/developer/all/rest/digital-accept-flex/uc-intro/uc-reference-test-cards/uc-reference-test-cards-uc.md "").                                                                                                                                                                                                                                                                                                | When authentication is not enabled for `Click to Pay` or `Click to Pay` is not able to perform authentication for `Click to Pay`, `Unified Checkout` performs authentication using `Payer Authentication` when the complete mandate is used with the consumerAuthentication field set to `3DS` or `PASSKEY`.                                                                                                                                                                                                                                                                       |
| `Click to Pay` | Visa `Click to Pay`                               | Authorization and `Payer Authentication` | You must configure the authentication for `Click to Pay`. `Click to Pay` performs authentication only if it is a tokenized Visa or Mastercard card.                                                                        | See [Test Cards for Authentication by Click to Pay](/docs/cybs/en-us/digital-accept-flex/developer/all/rest/digital-accept-flex/uc-intro/uc-reference-test-cards/uc-reference-test-cards-auth-ctp.md ""). 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 ""). | When authentication is enabled for `Click to Pay`, authentication is attempted for all `Click to Pay` transactions for Visa and Mastercard cards that are stored in `Click to Pay`. For information about setting up authentication for Visa `Click to Pay`, see [Set Up Customer Authentication for Click to Pay](/docs/cybs/en-us/digital-accept-flex/developer/all/rest/digital-accept-flex/uc-intro/uc-pay-methods-intro/uc-pay-methods-dig-wallets/uc-pay-methods-dig-wallets-ctp/uc-enable-digital-pay-ctp/uc-authentication-steps.md ""). |
| Google Pay     | Google Pay                                        | Authorization                            | A Google device must be used with biometric authentication for Google authentication.                                                                                                                                      |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    | A user authenticates themselves on a Google device with a tokenized Google Pay credential. The returned payload from Google is authenticated.                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| Google Pay     | `Payer Authentication` through `Unified Checkout` | Authorization and `Payer Authentication` | You must use a device, such as a web browser, that does not authenticate the cardholder as part of the authorization process.                                                                                              |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    | Google returns an un-authenticated payload to `Unified Checkout`. `Unified Checkout` processes authentication via `Payer Authentication` when the complete mandate function is used with consumerAuthentication.                                                                                                                                                                                                                                                                                                                                                                   |
[Authentication Testing by Product]