# API for Mobile Browser with WeChat This guide is for payments with mobile browser environments on Android or Apple phone, client will be redirected to WeChat app to finish payments. Customer checks out on merchant mobile website and chooses to pay with WeChat Pay. OTT Pay will return a dynamic link which will redirect the customer to the payment page of the WeChat app where the customer will finish the payment. --- # 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.ottpay.com/payment-api/api-for-mobile-browser-with-wechat.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.