> For the complete documentation index, see [llms.txt](https://learn.doubletick.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://learn.doubletick.io/get-started-with-doubletick/migration.md). # Migration Move your WhatsApp number to DoubleTick while retaining its business setup. Migration covers moving an existing WhatsApp number between API types or providers while keeping the same phone number — for example, switching your Cloud API number from another provider to DoubleTick, moving between Coexistence setups, or converting a number between Coexistence and Cloud API. Each guide walks you through the exact steps for that migration path, including any mandatory waiting periods, release steps, or warnings specific to that scenario, and notes whether your existing chat history carries over. #### In this section * [API to API migration guide](/get-started-with-doubletick/migration/api-to-api-migration-guide.md) * [Coexistence to coexistence migration guide](/get-started-with-doubletick/migration/coexistence-to-coexistence-migration-guide.md) * [Coexistence to Cloud API migration guide](/get-started-with-doubletick/migration/coexistence-to-cloud-api-migration-guide.md) * [Cloud API to CoEx migration guide](/get-started-with-doubletick/migration/cloud-api-to-coex-migration-guide.md) --- # 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 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, and the optional `goal` query parameter: ``` GET https://learn.doubletick.io/get-started-with-doubletick/migration.md?ask=&goal= ``` `ask` is the immediate question: it should be specific, self-contained, and written in natural language. `goal` is optional and describes the broader end goal you are ultimately trying to accomplish on behalf of the user. GitBook uses it to tailor the answer towards what is most useful for that goal. 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.