Update card status, limits, billing, or policy.
API key authentication. Include your API key in the Authorization header as Bearer <api_key>.
Unique key for idempotent requests (24-hour cache)
Card ID (e.g., card_...)
Card updated
Unique card ID
Owner customer ID
Assigned agent ID
Card type
virtual, physical Single-use or multi-use card
single, multi Card status (e.g., active, locked, canceled)
Last 4 digits of card number
Expiration month
Expiration year
Locked merchant name
Card expiration timestamp (TTL)
Timestamp when single-use card was used
Spending policy controls