List admins for a card

List admins currently attached to a card.

Use this endpoint to review current card-level access and gather the card_admin_id needed for updates or removals.

Example:

curl "$BASE_URL/api/card-admins/card/<card_id>" \
  -H "Authorization: Bearer <access_token>"

Authentication for this endpoint requires this header:

• Authorization: Bearer <access_token>

Generate the bearer token by:

1. rotating credentials at POST /account/api-access/credentials/rotate
2. exchanging them at POST /account/api-access/token