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

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Chilkat_TLB;

...

procedure TForm1.Button1Click(Sender: TObject);
var
http: TChilkatHttp;
success: Integer;
json: TChilkatJsonObject;
resp: IChilkatHttpResponse;
sbResponseBody: TChilkatStringBuilder;
jResp: TChilkatJsonObject;
respStatusCode: Integer;
answered: WideString;
business_phone_number: WideString;
customer_city: WideString;
customer_country: WideString;
customer_name: WideString;
customer_phone_number: WideString;
customer_state: WideString;
direction: WideString;
duration: WideString;
id: WideString;
recording: WideString;
recording_duration: WideString;
start_time: WideString;
tracking_phone_number: WideString;
voicemail: Integer;

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

http := TChilkatHttp.Create(Self);

// 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 := TChilkatJsonObject.Create(Self);
json.UpdateString('caller_id','+17703334455');
json.UpdateString('business_phone_number','+14045556666');
json.UpdateString('customer_phone_number','+14044442233');
json.UpdateBool('recording_enabled',1);
json.UpdateString('outbound_greeting_recording_url','http://www.test.com/greeting.mp3');
json.UpdateString('outbound_greeting_text','These are not the droids you are looking for.');

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

resp := http.PostJson3('https://api.callrail.com/v3/a/{account_id}/calls.json','application/json',json.ControlInterface);
if (http.LastMethodSuccess = 0) then
  begin
    Memo1.Lines.Add(http.LastErrorText);
    Exit;
  end;

sbResponseBody := TChilkatStringBuilder.Create(Self);
resp.GetBodySb(sbResponseBody.ControlInterface);
jResp := TChilkatJsonObject.Create(Self);
jResp.LoadSb(sbResponseBody.ControlInterface);
jResp.EmitCompact := 0;

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

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

    Exit;
  end;

// 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 := jResp.StringOf('answered');
business_phone_number := jResp.StringOf('business_phone_number');
customer_city := jResp.StringOf('customer_city');
customer_country := jResp.StringOf('customer_country');
customer_name := jResp.StringOf('customer_name');
customer_phone_number := jResp.StringOf('customer_phone_number');
customer_state := jResp.StringOf('customer_state');
direction := jResp.StringOf('direction');
duration := jResp.StringOf('duration');
id := jResp.StringOf('id');
recording := jResp.StringOf('recording');
recording_duration := jResp.StringOf('recording_duration');
start_time := jResp.StringOf('start_time');
tracking_phone_number := jResp.StringOf('tracking_phone_number');
voicemail := jResp.BoolOf('voicemail');
end;