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Install

  1. Install IllumiChat from the Shopify App Store, or connect your store from IllumiChat under Knowledge Base → Realtime data → Shopify.

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Turn on the chat widget

IllumiChat adds the widget as a Shopify theme app embed — no code changes to your theme.
  1. In Shopify admin, go to Online Store → Themes.
  2. Click Customize on your live theme.
  3. Open the App embeds tab at the bottom of the left sidebar.
  4. Toggle on IllumiChat Widget.
  5. Click Save.
(From IllumiChat, the Enable in theme editor button takes you straight to this screen.)
The widget shows for the store connected to the assistant. If you have multiple stores, connect each store to its own assistant.

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Turn off / uninstall

  • Hide the widget: in the theme editor’s App embeds tab, toggle IllumiChat Widget off and Save.
  • Uninstall the app: Shopify admin → Settings → Apps and sales channels → IllumiChat → Uninstall.

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Troubleshooting

  • Widget not showing: confirm the app embed is toggled on in the live theme, and that the assistant is enabled in IllumiChat.
  • Changed themes: re-enable the app embed on the new theme (app embeds are per-theme).