Have a meta developer account and a app connected to this developer dashboard.After integrating the Facebook embedded signuop flow in our app we get a code and using that I retrieve the access token and the WhatsApp shared id.
Now when I am making a request in the endpoint https://graph.facebook.com/v18.0/251530491378777/messages. with payload { "messaging_product": "whatsapp", "to": recipient number, "text": {"body": "hi"} } I am getting the response like { "error": { "message": "Unsupported post request. Object with ID '251530491378777' does not exist, cannot be loaded due to missing permissions, or does not support this operation. Please read the Graph API documentation at https://developers.facebook.com/docs/graph-api", "type": "GraphMethodException", "code": 100, "error_subcode": 33, "fbtrace_id": "AlrNtcSrDo3-JtMk6sUfqXW" } } I don't know how to solve this problem. Please help me