# About Customer API Customer API allows audience upload to retrieve audience segments from your data (hashed emails, external ids...) Open API specs are available here: 1. Create a Storage containing your hashes 2. Create a Filter to target what kind of audience you want 3. Create an Order via the Filter to extract exactly your needs 4. Wait until Order is validated to download results --- # 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.sirdata.net/customer-api/about.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.