# Conversation API contacts Contact entities are collections that group together underlying connected channel recipient identities. These contacts are tied to a specific project and are, therefore, considered public to all apps sharing the same project. Resources regarding Conversation API contacts are linked below. - For more specific information on how contacts are managed by the Conversation API, see the [Conversation API contact management page](/docs/conversation/contact-management). - For information on how to use Conversation API's Unified Contact ID features, see the [Unified Contact ID page](/docs/conversation/unified-contact-id). - For information on how to manage contacts, see the [Contact section of the API reference](/docs/conversation/api-reference/conversation/contact/).