(C#) OpenAI (ChatGTP) Upload JSON String

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Demonstrate how to upload a file (from a JSON string) to a OpenAI user's organization.

For more information, see https://platform.openai.com/docs/api-reference/files/upload

Chilkat .NET Downloads Chilkat .NET Framework Chilkat for .NET Core

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

Chilkat.Http http = new Chilkat.Http();
bool success;

// Implements the following CURL command:

// curl https://api.openai.com/v1/files \
//   -H "Authorization: Bearer $OPENAI_API_KEY" \
//   -F purpose="fine-tune" \
//   -F file="@mydata.jsonl"

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

Chilkat.HttpRequest req = new Chilkat.HttpRequest();
req.HttpVerb = "POST";
req.Path = "/v1/files";
req.ContentType = "multipart/form-data";
req.AddParam("purpose","fine-tune");

// { "prompt": "aa", "completion": "bb" }
// { "prompt": "cc", "completion": "dd" }
Chilkat.StringBuilder sbJsonData = new Chilkat.StringBuilder();
sbJsonData.AppendLine("{ \"prompt\": \"aa\", \"completion\": \"bb\" }",true);
sbJsonData.AppendLine("{ \"prompt\": \"cc\", \"completion\": \"dd\" }",true);
success = req.AddStringForUpload2("file","mydata2.jsonl",sbJsonData.GetAsString(),"utf-8","application/octet-stream");

// This is NOT a real key.  Change the "sk-vi...." to your own key.
req.AddHeader("Authorization","Bearer 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");
req.AddHeader("Expect","100-continue");

Chilkat.HttpResponse resp = http.SynchronousRequest("api.openai.com",443,true,req);
if (http.LastMethodSuccess == false) {
    Debug.WriteLine(http.LastErrorText);
    return;
}

Chilkat.StringBuilder sbResponseBody = new Chilkat.StringBuilder();
resp.GetBodySb(sbResponseBody);

Chilkat.JsonObject jResp = new Chilkat.JsonObject();
jResp.LoadSb(sbResponseBody);
jResp.EmitCompact = false;

Debug.WriteLine("Response Body:");
Debug.WriteLine(jResp.Emit());

int respStatusCode = resp.StatusCode;
Debug.WriteLine("Response Status Code = " + Convert.ToString(respStatusCode));
if (respStatusCode >= 400) {
    Debug.WriteLine("Response Header:");
    Debug.WriteLine(resp.Header);
    Debug.WriteLine("Failed.");

    return;
}

// Sample JSON response:
// (Sample code for parsing the JSON response is shown below)

// {
//   "id": "file-XjGxS3KTG0uNmNOK362iJua3",
//   "object": "file",
//   "bytes": 140,
//   "created_at": 1613779121,
//   "filename": "mydata2.jsonl",
//   "purpose": "fine-tune"
// }

// Sample code for parsing the JSON response...
// Use the following online tool to generate parsing code from sample JSON:
// Generate Parsing Code from JSON

string id = jResp.StringOf("id");
string v_object = jResp.StringOf("object");
int v_bytes = jResp.IntOf("bytes");
int created_at = jResp.IntOf("created_at");
string filename = jResp.StringOf("filename");
string purpose = jResp.StringOf("purpose");