# Exit Campaign API The Exit Campaign API enables businesses to dynamically remove users from active campaign segments in real time. This ensures that users who have already converted, opted out, or no longer meet targeting criteria are immediately excluded from ongoing outreach. --- # 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.truecaller.com/truecaller-for-business/verified-campaigns/api-webhook-documentation/exit-campaign-api.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.