📦Billing key issuance by PG

PG	Payment window support	API support	Supports issuance + payment in a single request (payment window only)
KCP	O	O	X
KG Inicis	O	O	X
Danal	O	O	O
Danal Mobile	O	O	O
Kakao Pay	O	X	O
Naver Pay	O	X	X
NICE Payments	X	O	X
JTNET	O	O	O
Settlebank	X	O	X
CHAI	O	X	X
KICC	O	X	X
Daou Data	X	O	X
KG Mobilians	O	X	O
Payco	O	X	X