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Prerequisites

  • A Bookster account with admin access
  • A website where you can add HTML

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Step 1: Add your domain

Before the widget will load on your site, you need to allowlist your domain.
  1. Go to Settings → Widget in your admin dashboard
  2. Under Allowed domains, add your website domain (e.g., example.com)
  3. Use *.example.com to allow all subdomains
  4. Click Save
For local development, add localhost to your allowed domains.

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Step 2: Embed the widget

Add this script tag to your website, just before the closing </body> tag: 
<script src="https://YOUR_BOOKSTER_URL/widget.js?customer=YOUR_CUSTOMER_SLUG"></script>
Replace:
  • YOUR_BOOKSTER_URL with your Bookster server URL
  • YOUR_CUSTOMER_SLUG with your account slug (found in Settings)

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Step 3: Verify it works

Load your website. You should see the Bookster chat button in the bottom-right corner. Click it to open the booking assistant.
If the widget doesn’t appear, check that your domain is in the allowed domains list and that the customer slug is correct.

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Next steps