account_id or account_reference_id must be providedidempotency-key header (UUID) is required to deduplicate issuance requestspin (optional): 4-digit numeric PIN to set during issuance. Must not be sequential (e.g., 1234) or repeated (e.g., 1111)400 INVALID_INPUT: Invalid PIN format, weak PIN (sequential/repeated), or invalid request body400 INVALID_CITY: Invalid city provided. City must be one of the valid Saudi cities400 INVALID_REQUEST: Missing required information (e.g., emboss name for physical cards)404 ACCOUNT_NOT_FOUND: Specified account does not exist409 CARD_LIMIT_REACHED: Account has reached the maximum number of cards409 CARD_TYPE_CONFLICT: Account already has an active physical card. Only one active physical card is allowed per account503 SERVICE_UNAVAILABLE: Service temporarily unavailable