---
title: "Payssam (@payssam)"
description: "Billing and payment collection service for businesses in Korea."
account: "payssam"
---

# Payssam

Billing and payment collection service for businesses in Korea.

## APIs

1 public API with a stored document.
Each links to its markdown overview; the same address with
`/llms.txt` in place of `.md` lists its operations.
Changes across these APIs: https://skmtc.dev/payssam/feed.md

- [Payssam API](https://skmtc.dev/payssam/apis/payssam-api.md): Billing: send and cancel invoices, issue and cancel cash receipts, query sub-merchants and point balances