File Uploads

LAST EDIT Jun 08 2021

The channel.sendImage and channel.sendFile methods make it easy to upload files.

This functionality defaults to using the Stream CDN. If you would like, you can easily change the logic to upload to your own CDN of choice.
The maximum file size is 20mb for the Stream Chat CDN.

In the code example above, note how the message attachments are created after the files are uploaded. The React components support regular uploads, clipboard pasting, drag and drop, as well as URL enrichment via built-in open-graph scraping. As a bonus, the Stream CDN will automatically handle image resizing for you.

Using Your Own CDN


All 5 SDKs make it easy to use your own CDN for uploads. The code examples below show how to change where files are uploaded: