With WhatsApp business, the Facebook-owned platform wants to charge big businesses that want to reach their customers through its service. Whatsapp is extending API, or application programming interface, to more businesses that will allow them to send customised notifications with relevant, non-promotional content such as shipping confirmations, appointment reminders or event tickets, it said in a blog post yesterday. "These messages will be charged at a fixed rate for confirmed delivery. Businesses may also provide real-time support on WhatsApp or assist customer in resolving an issue." Get the full story at Bloomberg and Marketing Land