New Email Template Update API 🚀

Feb 12, 2026

We’ve introduced a new endpoint that allows updating Email Builder templates and email settings in a single API call.

🚀 What is New?

New Endpoint PATCH /emails/builder/:templateId

• Updates existing email builder templates.

• Maintains all existing update behavior.

• Now supports updating: subject fromName fromEmail previewText

Simplified Editor Payload

  • Streamlined structure for passing editor type and editor content.
  • Replaced type, html/dnd, and isPlainText with a simplified structure using editorType and editorContent, with isPlainText now derived automatically.

✅ Impact

  • Full control of template content and email settings via API.
  • Faster campaign updates without previous limitations.
  • Simpler, cleaner integration experience.
  • Fully backward compatible.

🔍 Notes

  • All template settings fields are optional.
  • fromEmail is validated for proper email format.

📝 Help Doc: https://marketplace.gohighlevel.com/docs/ghl/emails/patch-template/index.html