Native Payment features in WhatsApp Business API enhances the customer journey and facilitates conversion.
Currently, customers have the ability to browse business catalogs, add products to their cart, and send orders using a range of commerce messaging solutions, such as Multi Product Message and Product Detail Page. With the integration of the Payments features, businesses can now send bills directly to clients within WhatsApp.
There are currently the following possibilities for the Payment API:

Stripe Payments in WhatsApp (Singapore only)

Businesses located in Singapore can use native payments with Stripe. If you have a 360dialog account and meet the requirements, you can easily enable this feature. For detailed instructions, please refer to our documentation.
It's important to note that this payment feature is currently exclusive to Singapore businesses receiving payments from users located in Singapore.