(C) DocuSign Create Empty Envelope Draft

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Note: This example requires Chilkat v11.0.0 or greater.

For more information, see https://developers.docusign.com/docs/esign-rest-api/reference/envelopes/envelopes/create/

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#include <C_CkHttp.h>
#include <C_CkJsonObject.h>
#include <C_CkHttpResponse.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkHttp http;
    HCkJsonObject jsonToken;
    HCkJsonObject json;
    HCkHttpResponse resp;
    HCkJsonObject jResp;
    int respStatusCode;
    const char *envelopeId;
    const char *uri;
    const char *statusDateTime;
    const char *status;

    success = FALSE;

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

    http = CkHttp_Create();

    // Load a previously obtained OAuth2 access token.
    jsonToken = CkJsonObject_Create();
    success = CkJsonObject_LoadFile(jsonToken,"qa_data/tokens/docusign.json");
    if (success == FALSE) {
        printf("%s\n",CkJsonObject_lastErrorText(jsonToken));
        CkHttp_Dispose(http);
        CkJsonObject_Dispose(jsonToken);
        return;
    }

    // Adds the "Authorization: Bearer eyJ0eXAi.....UE8Kl_V8KroQ" header.
    CkHttp_putAuthToken(http,CkJsonObject_stringOf(jsonToken,"access_token"));

    // Send the following request.
    // Make sure to use your own account ID (obtained from Get Docusign User Account Information)

    // POST https://demo.docusign.net/restapi/v2.1/accounts/7f3f65ed-5e87-418d-94c1-92499ddc8252/envelopes HTTP/1.1
    // Accept: application/json
    // Cache-Control: no-cache
    // Authorization: Bearer eyJ0eX...
    // Content-Length: ...
    // Content-Type: application/json
    // 
    // {
    //   "emailSubject": "Sign for Project XYZ Approval"
    // }

    json = CkJsonObject_Create();
    CkJsonObject_UpdateString(json,"emailSubject","Sign for Project XYZ Approval");

    CkHttp_SetRequestHeader(http,"Cache-Control","no-cache");
    CkHttp_SetRequestHeader(http,"Accept","application/json");

    // Use your own account ID here.
    CkHttp_SetUrlVar(http,"accountId","7f3f65ed-5e87-418d-94c1-92499ddc8252");

    resp = CkHttpResponse_Create();
    success = CkHttp_HttpJson(http,"POST","https://demo.docusign.net/restapi/v2.1/accounts/{$accountId}/envelopes",json,"application/json",resp);
    if (success == FALSE) {
        printf("%s\n",CkHttp_lastErrorText(http));
        CkHttp_Dispose(http);
        CkJsonObject_Dispose(jsonToken);
        CkJsonObject_Dispose(json);
        CkHttpResponse_Dispose(resp);
        return;
    }

    jResp = CkJsonObject_Create();
    CkJsonObject_Load(jResp,CkHttpResponse_bodyStr(resp));
    CkJsonObject_putEmitCompact(jResp,FALSE);

    printf("Response Body:\n");
    printf("%s\n",CkJsonObject_emit(jResp));

    // If you get a 401 response status code, it's likely you need to refresh the DocuSign OAuth2 token).
    respStatusCode = CkHttpResponse_getStatusCode(resp);
    printf("Response Status Code = %d\n",respStatusCode);
    if (respStatusCode >= 400) {
        printf("Response Header:\n");
        printf("%s\n",CkHttpResponse_header(resp));
        printf("Failed.\n");
        CkHttp_Dispose(http);
        CkJsonObject_Dispose(jsonToken);
        CkJsonObject_Dispose(json);
        CkHttpResponse_Dispose(resp);
        CkJsonObject_Dispose(jResp);
        return;
    }

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

    // {
    //   "envelopeId": "4943126a-a6e0-40ca-8707-50f22bf3888c",
    //   "uri": "/envelopes/4943126a-a6e0-40ca-8707-50f22bf3888c",
    //   "statusDateTime": "2021-01-23T20:21:42.1400000Z",
    //   "status": "created"
    // }

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

    envelopeId = CkJsonObject_stringOf(jResp,"envelopeId");
    uri = CkJsonObject_stringOf(jResp,"uri");
    statusDateTime = CkJsonObject_stringOf(jResp,"statusDateTime");
    status = CkJsonObject_stringOf(jResp,"status");


    CkHttp_Dispose(http);
    CkJsonObject_Dispose(jsonToken);
    CkJsonObject_Dispose(json);
    CkHttpResponse_Dispose(resp);
    CkJsonObject_Dispose(jResp);

    }