Whatsapp Official Business Account

prerequisite before configuring whatsapp official business account, please contact meta business solution provider (bsp) or you can go to https //www facebook com/business/partner directory/search?solution type=messaging to see the list of official meta business solution provider for messaging there will be a few legal documents that needs to be provided apart from phone numbers webhook configuration in meta bsp provide the following webhook information to meta bsp https //api pusaka ai/messenger/api/coster/webhook?code= configuration in cms click add new channel , then choose whatsapp in product and coster in protocol account code fill in with the phone number that already registered in meta business manager > whatsapp account account id account id from meta bsp division id division id from meta bsp access token use access token from meta bsp click save you're good to go! try to send message to the waba number and see if it responds