# Postback URL ## Postback URL - [Postback URL](https://www.postbackurl.io/master.md): Everything you need to know about Postback URLs, how to use them, where to use them and what you gain from using them. - [AnyTrack.io](https://www.postbackurl.io/postback-url-providers/anytrack.io.md): AnyTrack.io is a conversion and attribution platform that serves as a connector between your ad networks, websites, affiliate networks and analytics platforms such as Google Analytics and Facebook. - [Frequently Asked Question](https://www.postbackurl.io/frequently-asked-question.md): Frequently asked questions about Postback URLs - [External references](https://www.postbackurl.io/external-references.md): External references about postback URLs that you can find useful. --- # Agent Instructions This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com. ## Querying This Documentation If you need additional information, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on a page URL with the `ask` query parameter: ``` GET https://www.postbackurl.io/master.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.