> For the complete documentation index, see [llms.txt](https://devcenter-help.nhn-commerce.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://devcenter-help.nhn-commerce.com/guide/preparation/openapi-guide.md).

# 오픈 API 사용가이드

- [인증키 발급 방법 안내](https://devcenter-help.nhn-commerce.com/guide/preparation/openapi-guide/userkey.md)
- [공급사 이용 방법 안내](https://devcenter-help.nhn-commerce.com/guide/preparation/openapi-guide/partner.md)