Make sure to publish your flow before you embed it into your website.
Follow the following steps before proceeding to embed your flow into your website
You can find website integration through the 'Integrate' tab on go.heyflow.app. Click on Website located in the sidebar to the left.
You can choose between two embedding styles: Standard or Popup (Popup is only available in the business plan). Copy the given snippet at the bottom of the page to your clipboard.
The Dynamic Height property only works with one single flow of the same ID per page.