Create a New Payment Instrument with the Payments API {#tms-wallet-add-pay}
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Use the payments API in your e-wallet app to store the customer's payment method information in a payment instrument.

1. Use the payment instrument you created in the call from the [Add a Default Payment Instrument with Validated Payment](/docs/vas/en-us/tms/developer/ctv/rest/tms/tms-cust-tkn/tms-cust-pi-tkn/tms-manage-cust-pi-tkn/tms-cust-pi-tkn-add-default-pi-valid-intro.md "") step to create a new payment method.

2. Call: `POST /pts/v2/payments` and pass the instrument identifier token, card type, and expiration date in the request.

   #### ADDITIONAL INFORMATION

   If this is the first payment method, it becomes the customer's default.

3. Store the card expiration date and last 4 digits with the customer profile information in your database.