The structure for configuring wallet cards follows the defined specification. Configuring the card data in the specified formatted JSON structure is required.
Card-type-specific constraints, conditional requirements, and unsupported features are defined in the corresponding card type sections below. Partners should review the relevant card type section before finalizing a payload.
For fields marked as Conditional, the trigger condition is defined in the description text (for example, required for a specific card type, subType, state, or flow).
Type
Value
Description
Card object
card Object
(Required) Card information.
card.type String(16)
(Required) Wallet Card type
card.subType String(16)
(Required) Wallet Card subtype
card.data[] Array of Object
(Required) Wallet card data container Allows up to 6 objects at once
data[].refId String(128)
(Required) A unique content identifier defined by the content provider
data[].createdAt Long(13)
(Required) Data creation timestamp. Epoch timestamp in milliseconds. * UTC±00:00
data[].updatedAt Long(13)
(Required) Timestamp of the most recent data update. Epoch timestamp in milliseconds. * UTC±00:00
data[].language String(8)
(Required) Default content language code. e.g., en, ko
data[].attributes Object
(Required) Attributes of card data. * Refer to the following chapters for each type
data[].attributes.{fields}
Attribute fields by card type.
data[].localization[] Array of Object
(Optional) Information for multilingual support.
localization[].language String(8)
(Required) Multilingual content language code. e.g., en, ko
localization[].attributes.{fields}
To display a specific language, ‘data[].attributes’ can be replaced by localised versions. * Refer to the following chapters for each type
To ensure secure transmission of card data, cdata must be serialized as a JWS-wrapped JWE token rather than a plain JWT. For this purpose, you will require the certificate obtained using the partner's email account when signing up for the partner portal.
For detailed information on secure data tokenization, please refer to the Authentication Data Set (Secure Add to Wallet) section.
*Image resources provided by URLs can be cached. Therefore, for the image resource to be replaced immediately, the corresponding URL path must be changed.
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