---
title: "Payssam API"
account: payssam
slug: payssam-api
---

# Payssam API

Billing: send and cancel invoices, issue and cancel cash receipts, query sub-merchants and point balances

- Operations: 12
- Versions: 1 (latest `73517f9ba4e2`)
- OpenAPI document: https://skmtc.dev/payssam/apis/payssam-api/revisions/73517f9ba4e2?raw

## Operations

12 in total, by tag:

- 청구서 발송/파기 (1)
- 청구서 ERP 연동 (취소/조회) (1)
- 현금영수증 ERP 연동 (발행/취소/조회) (1)
- 3.1 파트너 하위 사업장 연동, v2 (1)
- 4.1 파트너 기능 이전 (2)
- 파트너 -> 승인동기화 콜백 예제 (1)
- erp-partner-controller (2)
- erp-cash-receipt-controller (1)
- erp-read-controller (1)
- erp-callback-controller (1)

Every operation, with a link to its markdown: https://skmtc.dev/payssam/apis/payssam-api/llms.txt