You can use the CreateCard endpoint to save a credit or debit card to a Square account. Developers can integrate the Cards API in their application to let Square sellers:
- Save a card that can be charged by any Square seller who uses your application. Your application specifies the organization access token in the
- Save a card that can be charged by a single Square seller. Your application specifies the access token of the specific seller account in the
The Cards API also supports other endpoints to manage the cards.
For more information, see the following guides: