Shopify payments doesn't support Credit card vaulting aka tokenization; as well has some interesting restrictions like a fixed 7 day authorization expiration.

Shopify payments doesn't support Credit card vaulting aka tokenization; as well has some interesting restrictions like a fixed 7 day authorization expiration. Shopify is great if you are willing to conform to the Shopify way of doing things, if you have to go outside of that ... well then you are going to have a bad time.