# Public API

- [Sub-account](https://pia-s5-proxy.gitbook.io/pia-s5-proxy-docs-en/proxy-knowledge-guide/public-api/sub-account.md)
- [Add sub-account information](https://pia-s5-proxy.gitbook.io/pia-s5-proxy-docs-en/proxy-knowledge-guide/public-api/sub-account/add-sub-account-information.md)
