Sample code for 30+ languages & platforms
Unicode C

OpenAI (ChatGPT) Upload File

See more OpenAI ChatGPT Examples

Demonstrate how to upload a file to a OpenAI user's organization.

Chilkat Unicode C Downloads

Unicode C
#include <C_CkHttpW.h>
#include <C_CkHttpRequestW.h>
#include <C_CkHttpResponseW.h>
#include <C_CkStringBuilderW.h>
#include <C_CkJsonObjectW.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkHttpW http;
    HCkHttpRequestW req;
    HCkHttpResponseW resp;
    HCkStringBuilderW sbResponseBody;
    HCkJsonObjectW jResp;
    int respStatusCode;
    const wchar_t *id;
    const wchar_t *v_object;
    int v_bytes;
    int created_at;
    const wchar_t *filename;
    const wchar_t *purpose;

    success = FALSE;

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

    http = CkHttpW_Create();

    // 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

    req = CkHttpRequestW_Create();
    CkHttpRequestW_putHttpVerb(req,L"POST");
    CkHttpRequestW_putPath(req,L"/v1/files");
    CkHttpRequestW_putContentType(req,L"multipart/form-data");
    CkHttpRequestW_AddParam(req,L"purpose",L"fine-tune");

    // myData.json contains the following:
    // { "prompt": "aa", "completion": "bb" }
    // { "prompt": "cc", "completion": "dd" }
    success = CkHttpRequestW_AddFileForUpload2(req,L"file",L"qa_data/json/mydata.jsonl",L"application/octet-stream");

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

    resp = CkHttpResponseW_Create();
    success = CkHttpW_HttpSReq(http,L"api.openai.com",443,TRUE,req,resp);
    if (success == FALSE) {
        wprintf(L"%s\n",CkHttpW_lastErrorText(http));
        CkHttpW_Dispose(http);
        CkHttpRequestW_Dispose(req);
        CkHttpResponseW_Dispose(resp);
        return;
    }

    sbResponseBody = CkStringBuilderW_Create();
    CkHttpResponseW_GetBodySb(resp,sbResponseBody);

    jResp = CkJsonObjectW_Create();
    CkJsonObjectW_LoadSb(jResp,sbResponseBody);
    CkJsonObjectW_putEmitCompact(jResp,FALSE);

    wprintf(L"Response Body:\n");
    wprintf(L"%s\n",CkJsonObjectW_emit(jResp));

    respStatusCode = CkHttpResponseW_getStatusCode(resp);
    wprintf(L"Response Status Code = %d\n",respStatusCode);
    if (respStatusCode >= 400) {
        wprintf(L"Response Header:\n");
        wprintf(L"%s\n",CkHttpResponseW_header(resp));
        wprintf(L"Failed.\n");
        CkHttpW_Dispose(http);
        CkHttpRequestW_Dispose(req);
        CkHttpResponseW_Dispose(resp);
        CkStringBuilderW_Dispose(sbResponseBody);
        CkJsonObjectW_Dispose(jResp);
        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": "mydata.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

    id = CkJsonObjectW_stringOf(jResp,L"id");
    v_object = CkJsonObjectW_stringOf(jResp,L"object");
    v_bytes = CkJsonObjectW_IntOf(jResp,L"bytes");
    created_at = CkJsonObjectW_IntOf(jResp,L"created_at");
    filename = CkJsonObjectW_stringOf(jResp,L"filename");
    purpose = CkJsonObjectW_stringOf(jResp,L"purpose");


    CkHttpW_Dispose(http);
    CkHttpRequestW_Dispose(req);
    CkHttpResponseW_Dispose(resp);
    CkStringBuilderW_Dispose(sbResponseBody);
    CkJsonObjectW_Dispose(jResp);

    }