(Delphi ActiveX) Upload a File to an AI Provider (OpenAI, Google, Antropic, X)

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Note: This example requires Chilkat v11.4.0 or greater.

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
success: Integer;
ai: TChilkatAi;
contentType: WideString;
localFilePath: WideString;
filenameOnServer: WideString;
file_id: WideString;
sb: TChilkatStringBuilder;
bd: TChilkatBinData;

begin
success := 0;

ai := TChilkatAi.Create(Self);

// The provider can be "openai", "google", "claude", "grok", or any AI that supports uploading files for later reference by ID.
ai.Provider := 'openai';
// Use your provider's API key.
ai.ApiKey := 'MY_API_KEY';

// We can upload directly from a file in the filesystem, or from a Chilkat StringBuilder, or from a Chilkat BinData.

// Some AI providers require a content-type.
// Also, some AI providers are picky about what content-type's are accepted.
// Check the AI provider's documentation.
// "application/json" is generally always acceptable.
// "text/plain" can be used as a fallback for any text file.
contentType := 'application/json';
localFilePath := 'qa_data/hamlet.json';
filenameOnServer := 'hamlet.json';

// Upload directly from a file.
file_id := ai.UploadFile(localFilePath,contentType);
if (ai.LastMethodSuccess = 0) then
  begin
    Memo1.Lines.Add(ai.LastErrorText);
    Memo1.Lines.Add('AI File Upload Failed.');
  end
else
  begin
    Memo1.Lines.Add('File ID: ' + file_id);
    Memo1.Lines.Add('File uploaded.');
  end;

// Upload from the contents of a StringBuilder
sb := TChilkatStringBuilder.Create(Self);
success := sb.LoadFile(localFilePath,'utf-8');
if (success = 0) then
  begin
    Memo1.Lines.Add(sb.LastErrorText);
    Exit;
  end;

file_id := ai.UploadFileSb(sb.ControlInterface,filenameOnServer,contentType);
if (ai.LastMethodSuccess = 0) then
  begin
    Memo1.Lines.Add(ai.LastErrorText);
    Memo1.Lines.Add('AI File Upload Failed.');
  end
else
  begin
    Memo1.Lines.Add('File ID: ' + file_id);
    Memo1.Lines.Add('File uploaded.');
  end;

// Upload from the contents of a BinData
bd := TChilkatBinData.Create(Self);
success := bd.LoadFile(localFilePath);
if (success = 0) then
  begin
    Memo1.Lines.Add(bd.LastErrorText);
    Exit;
  end;

file_id := ai.UploadFileBd(bd.ControlInterface,filenameOnServer,contentType);
if (ai.LastMethodSuccess = 0) then
  begin
    Memo1.Lines.Add(ai.LastErrorText);
    Memo1.Lines.Add('AI File Upload Failed.');
  end
else
  begin
    Memo1.Lines.Add('File ID: ' + file_id);
    Memo1.Lines.Add('File uploaded.');
  end;
end;