# Common To access and use the APIs in the common section, no authentication key or token is required. Simply call the desired API endpoint directly, and you will receive a response based on the parameters or requests you provide. This makes the common APIs straightforward and easy to integrate, enabling you to quickly test their functionality and incorporate them into your application without worrying about additional authentication steps. Remember to examine the response structure carefully to ensure seamless integration with your application logic. --- # 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.oxapay.com/api-reference/common.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.