REST API

View Wallet

In your e-wallet app, use the TMS API to determine the customer's default payment method.
Call
GET /tms/v2/customers/{customerTokenId}/payment-instruments
to read the first record, which is the default payment instrument.
You can retrieve the last four digits of the card number from your database, or call the payment identifier endpoint.
For details see Retrieve a Payment Instrument, in the API Reference.
View your wallet