Do I need to worry about Zoho CRM API 2.0 migration?

Do I need to worry about Zoho CRM API 2.0 migration?

Hello, I understand that the Zoho CRM API 1.0 is going to be sunset soon. I'm trying to see if I need to upgrade anything on my end. Looking at the codebase, I only saw a few Zoho-related stuff:
  1. <form action="https://crm.zoho.com/crm/WebToLeadForm" ... ></form>
  2. Zoho Sales IQ widget script
  3. <script src="https://crm.zoho.com/crm/javascript/zcga.js" ... ></script>
If I understand this correctly, none of them actually uses Zoho CRM API and doesn't need to be updated. Is that right?