# Visitors Everything about your Visitors ## Update a visitor - [PUT /visitors](https://developers.intercom.com/docs/references/2.14/rest-api/api.intercom.io/visitors/updatevisitor.md): Sending a PUT request to /visitors will result in an update of an existing Visitor. Option 1. You can update a visitor by passing in the user_id of the visitor in the Request body. Option 2. You can update a visitor by passing in the id of the visitor in the Request body. ## Retrieve a visitor with User ID - [GET /visitors](https://developers.intercom.com/docs/references/2.14/rest-api/api.intercom.io/visitors/retrievevisitorwithuserid.md): You can fetch the details of a single visitor. ## Convert a visitor - [POST /visitors/convert](https://developers.intercom.com/docs/references/2.14/rest-api/api.intercom.io/visitors/convertvisitor.md): You can merge a Visitor to a Contact of role type lead or user. > 📘 What happens upon a visitor being converted? > > If the User exists, then the Visitor will be merged into it, the Visitor deleted and the User returned. If the User does not exist, the Visitor will be converted to a User, with the User identifiers replacing it's Visitor identifiers.