Add the TidySupport widget to Squarespace using Code Injection.
Plan requirement
Code Injection is only available on Squarespace Business plan or higher. If you're on a Personal plan, you'll need to upgrade to add custom code.
In your Squarespace dashboard, go to Settings → Advanced → Code Injection.
In the Footer text area, paste the TidySupport script.
<script src="https://cdn.tidysupport.com/widget.js" data-workspace-id="YOUR_WORKSPACE_ID" async></script>Replace YOUR_WORKSPACE_ID with your workspace ID from Settings → Widget in your TidySupport dashboard.
Click Save. The widget will appear on all pages of your Squarespace site.
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How to identify users with the Events API