Add WhatsApp Payments API

The idea is:

Currently, it is not possible to send Payment intents to users using built-in WhatsApp node as it lacks the WhatsApp Payments API parameters to send messages that contain payment requests from the user.

My use case:

We are utilizing this feature by manually raising payment intents and checking about the transactions success or failure.

I think it would be beneficial to add this because:

It will become extremely efficient to raise an order and ask the users for the payment as soon as an order inside an ERP is raised. This can also be integrated using chatbots that provides the flow to select products, raise orders and collect payments all directly inside the WhatsApp.

Any resources to support this?

WhatsApp Payments is well documented here: UPI Intent - Cloud API - Dokumentation - Meta for Developers