WhatsApp is one of the most popular communication applications in the world. WhatsApp is a Meta company and requires a Facebook account and Meta Business Manager to set up.
What you will need
Your business's legal name and details.
Your business's Meta Business Manager ID (You need administrator access to your Meta Business Manager in order to create a WhatsApp Business Account or access to an existing WhatsApp Business Account)
A phone number which can either receive a text message or voice call without an IVR