Embed using the form URL
Press the “Share” icon/button next to your form in Zoho Forms
Select the “Form Permalink (URL)” text from the Share screen the text is copied to your clipboard
Paste the URL into the Confluence editor
If needed, change the width and height of the macro
Publish the Confluence page
...
Embed using the macro editor
Edit the Confluence page
Type /zohoforms and hit enter
Add the embed URL and if needed, change the width and height of the macro
Publish the Confluence page