No. WhatsApp explicitly states that WhatsApp Business API is intended for customer service and transactional messaging only. At this time, WhatsApp does not allow businesses to send any marketing or promotional messages. A business must first receive opt-in permission by the customers to initiate communication with them via its WhatsApp Business account.

A business can initiate communication with a customer only for sending transactional notifications, given that the customer has opted-in receiving messages from the specific business. When a person initiates a chat with a business, the business may continue the specific conversation via WhatsApp for up to 24 hours after the last message it received by that person.

To get started with WhatsApp Business API, a company must have a SIM phone number, a corporate mobile device and contact Routee for setting up the API.

No, WhatsApp Business (just as a simple WhatsApp account) only works with a dedicated phone number only. A business is not allowed to log in to WhatsApp Business on another device using the same mobile number. However, a business can create as many different WhatsApp business accounts it wishes using different SIM cards.

Yes, a business can access its WhatsApp Business account from any mobile device that accepts a SIM card as well as any other device via the URL web.whatsapp.com.

WhatsApp Business delivers messages and calls using End-to-End Encryption (E2EE), a system of communication where only the communicating users can read the messages.