(VB.NET) AI: Diagnosing an Ask Failure

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Note: This example requires Chilkat v11.2.0 or greater.

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Dim success As Boolean = False

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

Dim ai As New Chilkat.Ai

' 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-4o"

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

' Ask the AI for text output.
success = ai.Ask("text")
If (success = False) Then
    ' 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
        Debug.WriteLine(ai.LastErrorText)
    Else
        ' If we received an error response, the status code will be >= 400.
        ' (Ask would've returned True if the response status code was 200.)
        Debug.WriteLine("Response status code: " & ai.ResponseStatusCode)

        ' The error response (JSON) is available in the LastJsonData.
        Dim json As New Chilkat.JsonObject
        json.EmitCompact = False
        ai.GetLastJsonData(json)
        Debug.WriteLine(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 If

    Exit Sub
End If


' Get the text response.
Dim sbResponse As New Chilkat.StringBuilder
ai.GetOutputTextSb(sbResponse)
Debug.WriteLine(sbResponse.GetAsString())