(Unicode C++) SimpleTexting - Send SMS Message

Send a text message to an individual contact.

For more information, see https://simpletexting.com/api/docs/#operation/sendSmsPost

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#include <CkHttpW.h>
#include <CkHttpRequestW.h>
#include <CkHttpResponseW.h>
#include <CkStringBuilderW.h>
#include <CkJsonObjectW.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:

    // curl --request POST \
    //   --url 'https://app2.simpletexting.com/v1/send?token=YOUR_API_TOKEN&phone=SOME_STRING_VALUE&message=SOME_STRING_VALUE' \
    //   --header 'accept: application/json' \
    //   --header 'content-type: application/x-www-form-urlencoded'

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

    http.SetRequestHeader(L"accept",L"application/json");
    http.SetRequestHeader(L"content-type",L"application/x-www-form-urlencoded");

    CkHttpRequestW req;
    req.AddParam(L"token",L"YOUR_API_TOKEN");
    req.AddParam(L"phone",L"SOME_10_DIGIT_PHONE_NUMBER");
    req.AddParam(L"message",L"Hello: This is a sample text message with some punctuation: &%$@,;.");

    req.AddHeader(L"Accept",L"application/json");

    CkHttpResponseW *resp = http.PostUrlEncoded(L"https://app2.simpletexting.com/v1/send",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());

    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)

    // {
    //   "code": 1,
    //   "message": "The request succeeded",
    //   "smsid": "5bec5b9d0a975a238808ffb2"
    // }

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

    // Chilkat functions returning "const char *" return a pointer to temporary internal memory owned and managed by Chilkat.
    // See this example explaining how this memory should be used: const char * functions.

    int code = jResp.IntOf(L"code");
    const wchar_t *message = jResp.stringOf(L"message");
    const wchar_t *smsid = jResp.stringOf(L"smsid");
    }