Your SITE123 account must be on a paid plan in order to embed custom iframe codes.

To add your forms to your SITE123 website:

  1. Copy your form’s Iframe embed code from the Publish page of your form builder.
  2. Log in to Site123 and select Add New Page.
  3. Select the App Market tab, then select the Custom Iframe widget.
  4. Paste your form’s Iframe embed code into the site builder.
  5. Publish your changes.

Embedded form in SITE123 website.