WhatsApp Business app provides various tools and features to help businesses communicate with their customers efficiently.you have permission from your customers to send them promotional or marketing messages, you can use the broadcast feature in WhatsApp Business to send messages to multiple recipients at once.

https://www.msgclub.net/blog/whatsapp-bulk-message-how-to-send-bulk-messages-on-whatsapp-march-2023/

whatsapp business api, whatsapp api, whatsapp marketing, whatsapp api pricing, whatsapp automation, whatsapp business api pricing, whatsapp business api price, whatsapp api send message, api of whatsapp, whatsapp api to send message, whatsapp business api pricing