Delphi ActiveX

AI: Diagnosing an Ask Failure

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Demonstrates how to get information about why a request to the AI provider failed. Delphi ActiveX

var
success: Integer;
ai: TChilkatAi;
json: TChilkatJsonObject;
sbResponse: TChilkatStringBuilder;

begin
success := 0;

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

ai := TChilkatAi.Create(Self);

//  The provider can be "openai", "google", "claude", "deepseek", "xai", or "perplexity".
//  Support for additional providers will be added in future versions of Chilkat.
ai.Provider := 'openai';

//  In this case, we're going to cause an intentional failure by using an invalid API key.
ai.ApiKey := 'sk-11111111111111111111111111111111111111111111111k';

//  Choose a model.
ai.Model := 'gpt-5.6-terra';

//  Add a text input.
ai.InputAddText('Say Hello.');

//  Ask the AI for text output.
success := ai.Ask('text');
if (success = 0) then
  begin
    //  If the response status code equals 0, it means the error occurred before receiving the HTTP response.
    //  For this case look at the LastErrorText.
    if (ai.ResponseStatusCode = 0) then
      begin
        Memo1.Lines.Add(ai.LastErrorText);
      end
    else
      begin
        //  If we received an error response, the status code will be >= 400.
        //  (Ask would've returned 1 if the response status code was 200.)
        Memo1.Lines.Add('Response status code: ' + IntToStr(ai.ResponseStatusCode));

        //  The error response (JSON) is available in the LastJsonData.
        json := TChilkatJsonObject.Create(Self);
        json.EmitCompact := 0;
        ai.GetLastJsonData(json.ControlInterface);
        Memo1.Lines.Add(json.Emit());

        //  Sample output:
        //  {
        //    "error": {
        //      "message": "Incorrect API key provided: sk-11111***************************************111k. You can find your API key at https://platform.openai.com/account/api-keys.",
        //      "type": "invalid_request_error",
        //      "param": null,
        //      "code": "invalid_api_key"
        //    }
        //  }
      end;
    Exit;
  end;

//  Get the text response.
sbResponse := TChilkatStringBuilder.Create(Self);
ai.GetOutputTextSb(sbResponse.ControlInterface);
Memo1.Lines.Add(sbResponse.GetAsString());