# 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:** --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.holdstation.com/holdstation/holdstation-pay/partner-intergration.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.