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 |
| 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 |