How do I include Chat on every page of my website, without manually adding it to each page?
In your Chat dashboard, you will see your widget script under Settings > Widget > Getting started. Embed that script on every page of your website where you want customers to chat.
A common method to add the widget code to multiple pages of your website is to insert the widget code in an external JS file that is referenced in the header of your website. The scripts in the file then load on all pages referencing that file with your chat code
For more information, see the articles: Chats are disconnecting when users switch pages on my website and When do chats time out?