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Small and medium business | Business Central, N...
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WhatsApp Integration in Business Central using Twilio

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Hi, I'm trying to send WhatsApp message from Business Central through Twilio. But I'm unable to send message, getting error message while sending message. I'll attach my code, please help me find solution.
Thank you
 
Below attached is my code:
action("Send Test Message")
            {
                ApplicationArea = All;
                trigger OnAction()
                var
                    HttpClient: HttpClient;
                    HttpRequestMessage: HttpRequestMessage;
                    HttpResponseMessage: HttpResponseMessage;
                    Content: HttpContent;
                    JsonObject: JsonObject;
                    JsonText: Text;
                    RecWhatsAppSetup: Record SYNWhatsappSetup;
                    EncodedAuth: Text;
                    Headers: HttpHeaders;
                    Body: Text;
                    ErrorMessage: Text;
                    JsonToken: JsonToken;
                    AccountSID: Text;
                    URL: Text;
                begin
                    EncodedAuth := 'QUM0M2U2ZTAwMjljOTVlMWQ5MjMzMjliOTU1ODRmNWU1MjpiYTFhNWIzYzk3N2UxMmU2ZmU2MmZmZmJkZDMyZjUxMg==';
                    AccountSID := 'AC43e6e0029c95e1d923329b95584f5e52';
                    URL := 'https://api.twilio.com/2010-04-01/Accounts/AC43e6e0029c95e1d923329b95584f5e52/Messages.json';
 
                    HttpRequestMessage.SetRequestUri('https://api.twilio.com/2010-04-              01/Accounts/AC43e6e0029c95e1d923329b95584f5e52/Messages.json');
                    HttpRequestMessage.Method := 'POST';
   
                    HttpRequestMessage.GetHeaders(Headers);
                    Headers.Add('Authorization', 'Basic ' + Format(Base64Encode('AC43e6e0029c95e1d923329b95584f5e52:ba1a5b3c977e12e6fe62fffbdd32f512')));
 
                    JsonText := '{ "To": "whatsapp:' + ToNumber + '", "From": "whatsapp:' + FromNumber + '", "Body": "' + 'Hello from AL via Twilio WhatsApp!' + '" }';
 
                    Content.WriteFrom(JsonText);
                    Content.GetHeaders(Headers);
                    Headers.Clear();
                    Headers.Add('Content-Type', 'application/x-www-form-urlencoded');
                    HttpRequestMessage.Content := Content;
 
                    if HttpClient.Send(HttpRequestMessage, HttpResponseMessage) then begin
                        HttpResponseMessage.Content().ReadAs(JsonText);
                        if HttpResponseMessage.IsSuccessStatusCode() then
                            Message('Message sent successfully.')
                        else begin
                            Message('Error: ' + ErrorMessage);
                        end;
                    end else
                        Message('Failed to send request.');
                end;
            }
 
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  • Suggested answer
    Rishabh Kanaskar Profile Picture
    4,207 on at
    WhatsApp Integration in Business Central using Twilio
    Hi,
     
    Your code might be failing because Twilio’s API expects form-encoded parameters, not JSON, and the Content-Type should be application/x-www-form-urlencoded. Also, you don’t need to clear and reset headers after writing the content.
     
    Thanks
    Rishabh

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