(Delphi DLL) CallRail API - Create an Outbound Phone Call

Initiates an outbound call from the target account.

For more information, see https://apidocs.callrail.com/#creating-an-outbound-phone-call

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;
answered: PWideChar;
business_phone_number: PWideChar;
customer_city: PWideChar;
customer_country: PWideChar;
customer_name: PWideChar;
customer_phone_number: PWideChar;
customer_state: PWideChar;
direction: PWideChar;
duration: PWideChar;
id: PWideChar;
recording: PWideChar;
recording_duration: PWideChar;
start_time: PWideChar;
tracking_phone_number: PWideChar;
voicemail: Boolean;

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 -H "Authorization: Token token={api_token}" \
//      -X POST \
//      -H "Content-Type: application/json" \
//      -d '{
//           "caller_id": "+17703334455",
//           "business_phone_number": "+14045556666",
//           "customer_phone_number": "+14044442233",
//           "recording_enabled": true,
//           "outbound_greeting_recording_url": "http://www.test.com/greeting.mp3",
//           "outbound_greeting_text": "These are not the droids you are looking for."
//          }' \
//          "https://api.callrail.com/v3/a/{account_id}/calls.json"

// 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.

// {
//   "caller_id": "+17703334455",
//   "business_phone_number": "+14045556666",
//   "customer_phone_number": "+14044442233",
//   "recording_enabled": true,
//   "outbound_greeting_recording_url": "http://www.test.com/greeting.mp3",
//   "outbound_greeting_text": "These are not the droids you are looking for."
// }

json := CkJsonObject_Create();
CkJsonObject_UpdateString(json,'caller_id','+17703334455');
CkJsonObject_UpdateString(json,'business_phone_number','+14045556666');
CkJsonObject_UpdateString(json,'customer_phone_number','+14044442233');
CkJsonObject_UpdateBool(json,'recording_enabled',True);
CkJsonObject_UpdateString(json,'outbound_greeting_recording_url','http://www.test.com/greeting.mp3');
CkJsonObject_UpdateString(json,'outbound_greeting_text','These are not the droids you are looking for.');

CkHttp_SetRequestHeader(http,'Authorization','Token token={api_token}');
CkHttp_SetRequestHeader(http,'Content-Type','application/json');

resp := CkHttp_PostJson3(http,'https://api.callrail.com/v3/a/{account_id}/calls.json','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)

// {
//   "answered": null,
//   "business_phone_number": "+19044567899",
//   "customer_city": "Atlanta",
//   "customer_country": "US",
//   "customer_name": null,
//   "customer_phone_number": "+14703444700",
//   "customer_state": "GA",
//   "direction": "outbound",
//   "duration": null,
//   "id": "CAL8154748ae6bd4e278a7cddd38a662f4f",
//   "recording": null,
//   "recording_duration": null,
//   "start_time": "2017-02-22T15:02:24.916-05:00",
//   "tracking_phone_number": "+19044567899",
//   "voicemail": false
// }

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

answered := CkJsonObject__stringOf(jResp,'answered');
business_phone_number := CkJsonObject__stringOf(jResp,'business_phone_number');
customer_city := CkJsonObject__stringOf(jResp,'customer_city');
customer_country := CkJsonObject__stringOf(jResp,'customer_country');
customer_name := CkJsonObject__stringOf(jResp,'customer_name');
customer_phone_number := CkJsonObject__stringOf(jResp,'customer_phone_number');
customer_state := CkJsonObject__stringOf(jResp,'customer_state');
direction := CkJsonObject__stringOf(jResp,'direction');
duration := CkJsonObject__stringOf(jResp,'duration');
id := CkJsonObject__stringOf(jResp,'id');
recording := CkJsonObject__stringOf(jResp,'recording');
recording_duration := CkJsonObject__stringOf(jResp,'recording_duration');
start_time := CkJsonObject__stringOf(jResp,'start_time');
tracking_phone_number := CkJsonObject__stringOf(jResp,'tracking_phone_number');
voicemail := CkJsonObject_BoolOf(jResp,'voicemail');

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

end;