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Plan requirement

Custom domains are available from the Hobby plan ($19/month) upward. Publishing itself is not gated: every plan, including the free tier, can publish a Site to a boostgpt.co subdomain. A custom domain replaces that subdomain with one you own.

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Setup

1

Go to Custom Domains Tab

Inside your agent, click on the Custom Domains tab
2

Enter Your Domain

Enter your custom domain (e.g., chat.yourdomain.com)
3

Get Agent Page Domain

Copy your agent page domain (e.g., example.boostgpt.page)
4

Update DNS Records

Point your custom domain to your agent page domain with a CNAME record
5

Verify

Return to the Custom Domains tab and verify setup
Your agent page is now accessible at your custom domain!

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DNS Settings

Add this CNAME record in your domain’s DNS settings: