Add a Non-Default Payment Instrument Using Instrument Identifier {#tms-cust-pi-tkn-add-nondefault-pi-ii-intro}
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This section describes how to add a non-default payment instrument using instrument identifier.

Endpoint
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**Test:** `POST ``https://apitest.visaacceptance.com``/tms/v2/customers/`*{customerTokenId}* `/payment-instruments/`*{paymentInstrumentTokenId}*` `{#tms-cust-pi-tkn-add-nondefault-pi-ii-intro_restcust-test}  
**Production:** `POST ``https://api.visaacceptance.com``/tms/v2/customers/`*{customerTokenId}* `/payment-instruments/`*{paymentInstrumentTokenId}*  
The *`{customerTokenId}`* is the customer token ID returned in the id field when you created the customer token. The *`{paymentInstrumentTokenId}`* is the payment instrument token ID you want to retrieve. For more information, see [Create a Customer](/docs/vas/en-us/tms/developer/ctv/rest/tms/tms-cust-tkn/tms-manage-cust-tkn/tms-cust-tkn-create-intro.md "") and [Create a Customer Payment Instrument](/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-create-intro.md "").