> For the complete documentation index, see [llms.txt](https://docs.holdstation.com/holdstation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.holdstation.com/holdstation/holdstation-pay/partner-intergration.md). # Partner Intergration **Holdstation Pay** is a digital asset payment intermediary, providing payment solutions for both domestic and international partners. This document guides partners through integrating with the **Holdstation Pay API** to perform **buy/sell token transactions using VND**. You will find: * Purpose and scope of the integration * API endpoints * Authentication * Order flow * Webhook mechanism **For more details:**