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

# API Guide

- [Open API](https://docs.contiple.com/eng/api-guide/open-api.md): Contiple provides various support resources—such as Help Center notices, FAQs, and ticket information—via the Open API.
- [Service](https://docs.contiple.com/eng/api-guide/open-api/service.md)
- [Notice](https://docs.contiple.com/eng/api-guide/open-api/notice.md)
- [FAQ](https://docs.contiple.com/eng/api-guide/open-api/faq.md)
- [1:1 Inquiry](https://docs.contiple.com/eng/api-guide/open-api/inquiry.md)
- [Inquiry History](https://docs.contiple.com/eng/api-guide/open-api/inquiry-history.md)
- [Member Interlink (POST Method)](https://docs.contiple.com/eng/api-guide/open-api/post.md)
- [Member Interlink (GET Method)](https://docs.contiple.com/eng/api-guide/open-api/get.md)
- [Customer Information Integration](https://docs.contiple.com/eng/api-guide/open-api/data-connection.md)