# Referral Overview A Referral records the relationship between two users: the referrer (the customer advocate who shared a referral) and the referee (the friend who acted on it). Key aspects of a referral: * Each referral links exactly one referrer to one referee. * A referrer can have many referrals; a referee can only be referred once (see [Account Overview](/brand-api-reference/advocate-api-reference-v1/reference/account-overview.md)). * Referrals are the basis on which rewards are calculated and issued. --- # 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://integrations.impact.com/brand-api-reference/advocate-api-reference-v1/reference/referral-overview.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.