Who can I send WhatsAPP to using the API?
我可以向谁发送WhatsAPP到使用API？
You can only send WhatsAPP to users who have previously allowed to be contacted by this channel and only using messages based on previously authorized templates.
您只能将WhatsAPP发送给以前允许通过此频道与之联系的用户，并且只能使用基于先前授权的模板的消息来发送。