(Unicode C++) Twilio Send MMS (using Chilkat HTTP)

Send an outgoing MMS message. The only difference with MMS (as compared with SMS) is that a MediaUrl parameter is added to the POST. This means your image must be accessible on the web -- the Twilio server must be able to download the image from the URL you provide to include it in the MMS mesage to be sent.

Also, see Twilio MMS for more information about MMS.

For more information, see https://support.twilio.com/hc/en-us/articles/223179808-Sending-and-receiving-MMS-messages

Chilkat C/C++ Library Downloads
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#include <CkHttpW.h>
#include <CkHttpRequestW.h>
#include <CkHttpResponseW.h>
#include <CkStringBuilderW.h>
#include <CkJsonObjectW.h>
#include <CkDtObjW.h>

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

    CkHttpW http;
    bool success;

    // Implements the following CURL command:

    // (See information about using test credentials and phone numbers:  https://www.twilio.com/docs/iam/test-credentials)

    // curl -X POST https://api.twilio.com/2010-04-01/Accounts/TWILIO_ACCOUNT_SID/Messages.json \
    // --data-urlencode "From=+15005550006" \
    // --data-urlencode "Body=body" \
    // --data-urlencode "To=+15005551212" \
    // -u TWILIO_ACCOUNT_SID:TWILIO_AUTH_TOKEN

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

    http.put_Login(L"TWILIO_ACCOUNT_SID");
    http.put_Password(L"TWILIO_AUTH_TOKEN");

    CkHttpRequestW req;
    req.put_HttpVerb(L"POST");
    req.put_Path(L"/2010-04-01/Accounts/TWILIO_ACCOUNT_SID/Messages.json");
    req.put_ContentType(L"application/x-www-form-urlencoded");
    req.AddParam(L"From",L"+15005550006");
    req.AddParam(L"Body",L"body");
    req.AddParam(L"To",L"+15005551212");
    req.AddParam(L"MediaUrl",L"https://www.chilkatsoft.com/images/starfish.jpg");

    CkHttpResponseW *resp = http.PostUrlEncoded(L"https://api.twilio.com/2010-04-01/Accounts/TWILIO_ACCOUNT_SID/Messages.json",req);
    if (http.get_LastMethodSuccess() == false) {
        wprintf(L"%s\n",http.lastErrorText());
        return;
    }

    CkStringBuilderW sbResponseBody;
    resp->GetBodySb(sbResponseBody);
    CkJsonObjectW jResp;
    jResp.LoadSb(sbResponseBody);
    jResp.put_EmitCompact(false);

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

    // A 201 status code indicates success.
    int respStatusCode = resp->get_StatusCode();
    wprintf(L"Response Status Code = %d\n",respStatusCode);
    if (respStatusCode >= 400) {
        wprintf(L"Response Header:\n");
        wprintf(L"%s\n",resp->header());
        wprintf(L"Failed.\n");
        delete resp;
        return;
    }

    delete resp;

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

    // {
    //   "sid": "SM477111c301794f14b11eca5eefd5c350",
    //   "date_created": "Tue, 18 Aug 2020 15:04:47 +0000",
    //   "date_updated": "Tue, 18 Aug 2020 15:04:47 +0000",
    //   "date_sent": null,
    //   "account_sid": "AC2e9b6bc0f51133df24926f07341d3824",
    //   "to": "+15005551212",
    //   "from": "+15005550006",
    //   "messaging_service_sid": null,
    //   "body": "body",
    //   "status": "queued",
    //   "num_segments": "1",
    //   "num_media": "0",
    //   "direction": "outbound-api",
    //   "api_version": "2010-04-01",
    //   "price": null,
    //   "price_unit": "USD",
    //   "error_code": null,
    //   "error_message": null,
    //   "uri": "/2010-04-01/Accounts/AC2e9b6bc0f51133df24926f07341d3824/Messages/SM477111c301794f14b11eca5eefd5c350.json",
    //   "subresource_uris": {
    //     "media": "/2010-04-01/Accounts/AC2e9b6bc0f51133df24926f07341d3824/Messages/SM477111c301794f14b11eca5eefd5c350/Media.json"
    //   }
    // }

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

    CkDtObjW date_created;
    CkDtObjW date_updated;
    CkDtObjW date_sent;

    const wchar_t *sid = jResp.stringOf(L"sid");
    jResp.DtOf(L"date_created",false,date_created);
    jResp.DtOf(L"date_updated",false,date_updated);
    jResp.DtOf(L"date_sent",false,date_sent);
    const wchar_t *account_sid = jResp.stringOf(L"account_sid");
    const wchar_t *v_to = jResp.stringOf(L"to");
    const wchar_t *from = jResp.stringOf(L"from");
    const wchar_t *messaging_service_sid = jResp.stringOf(L"messaging_service_sid");
    const wchar_t *body = jResp.stringOf(L"body");
    const wchar_t *status = jResp.stringOf(L"status");
    const wchar_t *num_segments = jResp.stringOf(L"num_segments");
    const wchar_t *num_media = jResp.stringOf(L"num_media");
    const wchar_t *direction = jResp.stringOf(L"direction");
    const wchar_t *api_version = jResp.stringOf(L"api_version");
    const wchar_t *price = jResp.stringOf(L"price");
    const wchar_t *price_unit = jResp.stringOf(L"price_unit");
    const wchar_t *error_code = jResp.stringOf(L"error_code");
    const wchar_t *error_message = jResp.stringOf(L"error_message");
    const wchar_t *uri = jResp.stringOf(L"uri");
    const wchar_t *subresource_urisMedia = jResp.stringOf(L"subresource_uris.media");
    }