Headers
An idempotency key is an arbitrary unique value generated by client to detect subsequent retries of the same request. It is recommended that a UUID or a similar random identifier be used as an idempotency key. A different key must be used for each request, unless it is a retry.
Example:
"7d943c51-e4ff-4e57-9558-08cab6b963c7"
Query Parameters
Card ID
Example:
"6dc0397d-1aba-4be9-9582-895a7a887d49"
Response
Client token
A short-lived, one-time token used for accessing client PINs/PANs
Example:
"7d943c51-e4ff-4e57-9558-08cab6b963c7"