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The type that defines the fields for the payment reference, such as last four digits of a credit card.

Type that uses PaymentInstrumentReference

ProvidedPaymentInstrument

Calls that use PaymentInstrumentReference

POST
/checkout_session/{checkoutSessionId}/apply_coupon
GET
/checkout_session/{checkoutSessionId}
POST
/checkout_session/initiate
POST
/checkout_session/{checkoutSessionId}/remove_coupon
POST
/checkout_session/{checkoutSessionId}/update_add_on_services_status
POST
/checkout_session/{checkoutSessionId}/update_payment_info
POST
/checkout_session/{checkoutSessionId}/update_quantity
POST
/checkout_session/{checkoutSessionId}/update_shipping_address
POST
/checkout_session/{checkoutSessionId}/update_shipping_option

Fields

Field
Type
Description
externalReferenceId
string
This field is deprecated.
lastFourDigitForCreditCard
string
The last four digits of the credit card number being used to pay for the items.

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