Is there a public API available for Arattai (Zoho's messaging app)?

I want to add a button or link on my website that will open Arattai and send a message, just like how we use https://api.whatsapp.com/send?phone=...&text=... for WhatsApp.

Is there any URL scheme or API available for Arattai that allows this kind of redirection?

Example use case:

Thanks in advance for any help or documentation!