Small businesses can use the WhatsApp Business app, which is free.
Medium to large businesses usually use the WhatsApp Business Platform (API), which offers greater functionality and scalability. To use this, you need a platform from a WhatsApp Solution Partner like charles or a Tech Provider – or you can build the solution yourself.
To use WhatsApp you need to consider two types of costs:
1. Meta fees charging a cost per conversation (see WhatsApp costs for your country)
2. Fees for your platform provider
Remember: WhatsApp is associated with additional costs compared to channels such as email.
For more, see our guide to WhatsApp costs.