(Delphi DLL) MessageMedia - Send Messages

See more MessageMedia Examples

Submit one or more (up to 100 per request) SMS, MMS, or text to voice messages for delivery.

For more information, see https://support.messagemedia.com/hc/en-us/articles/4413635760527-Messaging-API

Chilkat for Delphi Downloads Chilkat non-ActiveX DLL for Delphi Chilkat ActiveX DLL for Delphi * The examples here use the non-ActiveX DLL.

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Http, StringBuilder, HttpResponse, JsonObject;

...

procedure TForm1.Button1Click(Sender: TObject);
var
http: HCkHttp;
success: Boolean;
json: HCkJsonObject;
resp: HCkHttpResponse;
sbResponseBody: HCkStringBuilder;
jResp: HCkJsonObject;
respStatusCode: Integer;
message_id: PWideChar;
callback_url: PWideChar;
status: PWideChar;
content: PWideChar;
destination_number: PWideChar;
delivery_report: Boolean;
format: PWideChar;
message_expiry_timestamp: PWideChar;
MyKey: PWideChar;
AnotherKey: PWideChar;
scheduled: PWideChar;
source_number: PWideChar;
source_number_type: PWideChar;
i: Integer;
count_i: Integer;

begin
// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

http := CkHttp_Create();

// Implements the following CURL command:

// curl --request POST \
//      --header "Content-Type: application/json" \
//      --header "Accept: application/json" \
//      --data-binary "{
//     \"messages\": [
//         {
//             \"callback_url\": \"https://my.callback.url.com\",
//             \"content\": \"My first message\",
//             \"destination_number\": \"+61491570156\",
//             \"delivery_report\": true,
//             \"format\": \"SMS\",
//             \"message_expiry_timestamp\": \"2016-11-03T11:49:02.807Z\",
//             \"metadata\": {
//                 \"myKey\": \"myValue\",
//                 \"anotherKey\": \"anotherValue\"
//             },
//             \"scheduled\": \"2016-11-03T11:49:02.807Z\",
//             \"source_number\": \"+61491570157\",
//             \"source_number_type\": \"INTERNATIONAL\"
//         },
//         {
//             \"callback_url\": \"https://my.callback.url.com\",
//             \"content\": \"My second message\",
//             \"destination_number\": \"+61491570158\",
//             \"delivery_report\": true,
//             \"format\": \"MMS\",
//             \"subject\": \"This is an MMS message\",
//             \"media\": [ \"https://images.pexels.com/photos/1018350/pexels-photo-1018350.jpeg?cs=srgb&dl=architecture-buildings-city-1018350.jpg\" ],
//             \"message_expiry_timestamp\": \"2016-11-03T11:49:02.807Z\",
//             \"metadata\": {
//                 \"myKey\": \"myValue\",
//                 \"anotherKey\": \"anotherValue\"
//             },
//             \"scheduled\": \"2016-11-03T11:49:02.807Z\",
//             \"source_number\": \"+61491570159\",
//             \"source_number_type\": \"INTERNATIONAL\"
//         }
//     ]
// }" \
// https://private-anon-ecbaffbc28-messages32.apiary-mock.com/v1/messages

// Use the following online tool to generate HTTP code from a CURL command
// Convert a cURL Command to HTTP Source Code

// Use this online tool to generate code from sample JSON:
// Generate Code to Create JSON

// The following JSON is sent in the request body.

// {
//   "messages": [
//     {
//       "callback_url": "https://my.callback.url.com",
//       "content": "My first message",
//       "destination_number": "+61491570156",
//       "delivery_report": true,
//       "format": "SMS",
//       "message_expiry_timestamp": "2016-11-03T11:49:02.807Z",
//       "metadata": {
//         "myKey": "myValue",
//         "anotherKey": "anotherValue"
//       },
//       "scheduled": "2016-11-03T11:49:02.807Z",
//       "source_number": "+61491570157",
//       "source_number_type": "INTERNATIONAL"
//     },
//     {
//       "callback_url": "https://my.callback.url.com",
//       "content": "My second message",
//       "destination_number": "+61491570158",
//       "delivery_report": true,
//       "format": "MMS",
//       "subject": "This is an MMS message",
//       "media": [
//         "https://images.pexels.com/photos/1018350/pexels-photo-1018350.jpeg?cs=srgb&dl=architecture-buildings-city-1018350.jpg"
//       ],
//       "message_expiry_timestamp": "2016-11-03T11:49:02.807Z",
//       "metadata": {
//         "myKey": "myValue",
//         "anotherKey": "anotherValue"
//       },
//       "scheduled": "2016-11-03T11:49:02.807Z",
//       "source_number": "+61491570159",
//       "source_number_type": "INTERNATIONAL"
//     }
//   ]
// }

json := CkJsonObject_Create();
CkJsonObject_UpdateString(json,'messages[0].callback_url','https://my.callback.url.com');
CkJsonObject_UpdateString(json,'messages[0].content','My first message');
CkJsonObject_UpdateString(json,'messages[0].destination_number','+61491570156');
CkJsonObject_UpdateBool(json,'messages[0].delivery_report',True);
CkJsonObject_UpdateString(json,'messages[0].format','SMS');
CkJsonObject_UpdateString(json,'messages[0].message_expiry_timestamp','2016-11-03T11:49:02.807Z');
CkJsonObject_UpdateString(json,'messages[0].metadata.myKey','myValue');
CkJsonObject_UpdateString(json,'messages[0].metadata.anotherKey','anotherValue');
CkJsonObject_UpdateString(json,'messages[0].scheduled','2016-11-03T11:49:02.807Z');
CkJsonObject_UpdateString(json,'messages[0].source_number','+61491570157');
CkJsonObject_UpdateString(json,'messages[0].source_number_type','INTERNATIONAL');
CkJsonObject_UpdateString(json,'messages[1].callback_url','https://my.callback.url.com');
CkJsonObject_UpdateString(json,'messages[1].content','My second message');
CkJsonObject_UpdateString(json,'messages[1].destination_number','+61491570158');
CkJsonObject_UpdateBool(json,'messages[1].delivery_report',True);
CkJsonObject_UpdateString(json,'messages[1].format','MMS');
CkJsonObject_UpdateString(json,'messages[1].subject','This is an MMS message');
CkJsonObject_UpdateString(json,'messages[1].media[0]','https://images.pexels.com/photos/1018350/pexels-photo-1018350.jpeg?cs=srgb&dl=architecture-buildings-city-1018350.jpg');
CkJsonObject_UpdateString(json,'messages[1].message_expiry_timestamp','2016-11-03T11:49:02.807Z');
CkJsonObject_UpdateString(json,'messages[1].metadata.myKey','myValue');
CkJsonObject_UpdateString(json,'messages[1].metadata.anotherKey','anotherValue');
CkJsonObject_UpdateString(json,'messages[1].scheduled','2016-11-03T11:49:02.807Z');
CkJsonObject_UpdateString(json,'messages[1].source_number','+61491570159');
CkJsonObject_UpdateString(json,'messages[1].source_number_type','INTERNATIONAL');

CkHttp_SetRequestHeader(http,'Content-Type','application/json');
CkHttp_SetRequestHeader(http,'Accept','application/json');

resp := CkHttp_PostJson3(http,'https://private-anon-ecbaffbc28-messages32.apiary-mock.com/v1/messages','application/json',json);
if (CkHttp_getLastMethodSuccess(http) = False) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

sbResponseBody := CkStringBuilder_Create();
CkHttpResponse_GetBodySb(resp,sbResponseBody);

jResp := CkJsonObject_Create();
CkJsonObject_LoadSb(jResp,sbResponseBody);
CkJsonObject_putEmitCompact(jResp,False);

Memo1.Lines.Add('Response Body:');
Memo1.Lines.Add(CkJsonObject__emit(jResp));

respStatusCode := CkHttpResponse_getStatusCode(resp);
Memo1.Lines.Add('Response Status Code = ' + IntToStr(respStatusCode));
if (respStatusCode >= 400) then
  begin
    Memo1.Lines.Add('Response Header:');
    Memo1.Lines.Add(CkHttpResponse__header(resp));
    Memo1.Lines.Add('Failed.');
    CkHttpResponse_Dispose(resp);
    Exit;
  end;
CkHttpResponse_Dispose(resp);

// Sample JSON response:
// (Sample code for parsing the JSON response is shown below)

// {
//   "messages": [
//     {
//       "message_id": "04fe9a97-a579-43c5-bb1a-58ed29bf0a6a",
//       "callback_url": "https://my.url.com",
//       "status": "delivered",
//       "content": "My first message",
//       "destination_number": "+61491570156",
//       "delivery_report": true,
//       "format": "SMS",
//       "message_expiry_timestamp": "2016-11-03T11:49:02.807Z",
//       "metadata": {
//         "myKey": "myValue",
//         "anotherKey": "anotherValue"
//       },
//       "scheduled": "2016-11-03T11:49:02.807Z",
//       "source_number": "+61491570157",
//       "source_number_type": "INTERNATIONAL"
//     }
//   ]
// }

// Sample code for parsing the JSON response...
// Use the following online tool to generate parsing code from sample JSON:
// Generate Parsing Code from JSON

i := 0;
count_i := CkJsonObject_SizeOfArray(jResp,'messages');
while i < count_i do
  begin
    CkJsonObject_putI(jResp,i);
    message_id := CkJsonObject__stringOf(jResp,'messages[i].message_id');
    callback_url := CkJsonObject__stringOf(jResp,'messages[i].callback_url');
    status := CkJsonObject__stringOf(jResp,'messages[i].status');
    content := CkJsonObject__stringOf(jResp,'messages[i].content');
    destination_number := CkJsonObject__stringOf(jResp,'messages[i].destination_number');
    delivery_report := CkJsonObject_BoolOf(jResp,'messages[i].delivery_report');
    format := CkJsonObject__stringOf(jResp,'messages[i].format');
    message_expiry_timestamp := CkJsonObject__stringOf(jResp,'messages[i].message_expiry_timestamp');
    MyKey := CkJsonObject__stringOf(jResp,'messages[i].metadata.myKey');
    AnotherKey := CkJsonObject__stringOf(jResp,'messages[i].metadata.anotherKey');
    scheduled := CkJsonObject__stringOf(jResp,'messages[i].scheduled');
    source_number := CkJsonObject__stringOf(jResp,'messages[i].source_number');
    source_number_type := CkJsonObject__stringOf(jResp,'messages[i].source_number_type');
    i := i + 1;
  end;

CkHttp_Dispose(http);
CkJsonObject_Dispose(json);
CkStringBuilder_Dispose(sbResponseBody);
CkJsonObject_Dispose(jResp);

end;