code * integer
Response code
0: success, Not 0: check the message
message * string
Response message
A non-zero code includes a message like 'Invalid payment info'.
response (CustomerAnnotation, optional)
code * integer
Response code
0: success, Not 0: check the message
message * string
Response message
A non-zero code includes a message like 'Invalid payment info'.
customer_uid * string
Customer ID
pg_provider * string
PG code for billing key
pg_id * string
PG merchant ID (MID) for billing key
card_name * string
Credit card name
card_code * string
Credit card code
card_number * string
Masked card number
card_type * string
Credit card type
Not supported in some PGs (returns null)
customer_name * string
Customer name
customer_tel * string
Customer phone
customer_email * string
Customer email
customer_addr * string
Customer address
customer_postcode * string
Customer zip code
inserted * integer
Billing key issued at (UNIX timestamp)
updated * integer
Billing key updated at (UNIX timestamp)
