It is _displayed_ in the following instances:
- in the payload of an API Extension for Payments and PaymentMethods
- when querying Payments and PaymentMethods
It is _masked_ in the following instances:
- in the payload of Payment and PaymentMethod messages
- when querying MyPayments
- in referenced Payments and PaymentMethods embedded through [Reference Expansion](/general-concepts#reference-expansion)
Tokenized representation of the Payment Method.