# Attachments

## Upload attachment

 - [POST /messages/attachments/upload](https://developers.booking.com/demand/docs/open-api/3.2-beta/demand-api/attachments/upload.md): Use this endpoint to upload a file to be used as a message attachment. The response includes an attachment ID to reference when sending messages.

## Download attachment

 - [POST /messages/attachments/download](https://developers.booking.com/demand/docs/open-api/3.2-beta/demand-api/attachments/download.md): Use this endpoint to retrieve a file that was attached to a message. The response includes the file in a base64-encoded format.