It's possible to save your shopper's payment details by specifying the amount.value to zero. Note that although this functionality is available for most cards, only a limited number of local payment methods support zero amount authorisations.
The following frequently used payment methods and their support for zero auth payments are shown in the below table:
| Payment methods | Support for zero auth payments |
| Yes | |
| Google Pay | Yes |
| PayPal | Yes |
| Alipay | No |
| Apple Pay | No |
| Klarna | No |
| WeChat Pay | No |