(Delphi ActiveX) CallRail API - Retrieve a Call Recording

Returns a CallRail URL pointing to an MP3 recording of the specified call, and then downloads the MP3 to a local file.

For more information, see https://apidocs.callrail.com/#retrieving-a-single-call-recording

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;
sbResponseBody: TChilkatStringBuilder;
jResp: TChilkatJsonObject;
respStatusCode: Integer;
url: WideString;

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=abc1234" \
//   https://api.callrail.com/v3/a/{account_id}/calls/{call_id}/recording.json

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

http.SetRequestHeader('Authorization','Token token=abc1234');

sbResponseBody := TChilkatStringBuilder.Create(Self);
success := http.QuickGetSb('https://api.callrail.com/v3/a/{account_id}/calls/{call_id}/recording.json',sbResponseBody.ControlInterface);
if (success = 0) then
  begin
    Memo1.Lines.Add(http.LastErrorText);
    Exit;
  end;

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

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

respStatusCode := http.LastStatus;
Memo1.Lines.Add('Response Status Code = ' + IntToStr(respStatusCode));
if (respStatusCode >= 400) then
  begin
    Memo1.Lines.Add('Response Header:');
    Memo1.Lines.Add(http.LastHeader);
    Memo1.Lines.Add('Failed.');
    Exit;
  end;

// Sample JSON response:

// {
//   "url": "http://app.callrail.com/calls/CAL11df32690b7d46123456789123456789/recording/redirect?access_key=241sa242sadqwerty123"
// }

url := jResp.StringOf('url');

// Download to a .mp3 file
success := http.Download(url,'call_recordings/CAL11df32690b7d46123456789123456789.mp3');
if (success = 0) then
  begin
    Memo1.Lines.Add(http.LastErrorText);
  end
else
  begin
    Memo1.Lines.Add('success.');
  end;
end;