You can create a live chat tab and display it on your site using the third-party service, Hipmob.
Step 1 - Create your Hipmob code
In your Hipmob account, select Chat Settings and then click Add Hipmob.
Click the Web/HTML5 tab and copy the code provided by Hipmob.
Step 2 - Add the Hipmob code
On your Squarespace site, in the Home Menu, click Settings, click Advanced, and then click Code Injection.
Paste the Hipmob code in the Footer box, then click Save.
Note: For more help with Code Injection, visit Using Code Injection.
Note: This third-party customization falls outside the scope of our support. This means that we’re unable to help further with setup or troubleshooting. Additionally, since this is a code-based solution, we can’t guarantee its functionality or full compatibility with Squarespace. This includes how it functions with our responsive design, particularly its appearance on mobile devices, and if it functions on all templates. Third-party customizations can also cause display issues with future updates to our platform. While we can't help further, there are many resources that can point you in the right direction: