> For the complete documentation index, see [llms.txt](https://developers.payssam.kr/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developers.payssam.kr/api/api-v2.md).

# API v2

- [청구서](https://developers.payssam.kr/api/api-v2/bill.md): 청구서를 발송하고 관리하는 API를 안내합니다.
- [청구서 발송 및 파기](https://developers.payssam.kr/api/api-v2/send.md)
- [수납 및 결제취소](https://developers.payssam.kr/api/api-v2/acceptance.md)
- [현금영수증](https://developers.payssam.kr/api/api-v2/cash-receipt.md)
- [하위사업장](https://developers.payssam.kr/api/api-v2/merchant.md): 하위 사업장을 등록하고 조회합니다.
- [하위사업장 가입 및 등록](https://developers.payssam.kr/api/api-v2/sub-business.md): 파트너의 하위사업장으로 결제선생의 사업장을 연결을 할 수 있습니다
- [하위 사업장 목록 조회](https://developers.payssam.kr/api/api-v2/sub-merchant.md): 파트너와 연결된 하위사업장의 목록을 조회할 수 있습니다.
- [쌤포인트](https://developers.payssam.kr/api/api-v2/ssam-point.md): 파트너 관리 사업장에 충전된 쌤포인트의 잔액을 조회 할 수 있습니다.
- [콜백](https://developers.payssam.kr/api/api-v2/call-back.md): 결제선생 -> 파트너에게 전달하는 콜백 입니다
- [에러 코드 v2](https://developers.payssam.kr/api/api-v2/error-code.md)
- [테스트](https://developers.payssam.kr/api/api-v2/test.md)


---

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