Unicode C++

WhatsApp - Send a Text Message

Demonstrates how to use the messages endpoint to send text messages to your customers. Unicode C++

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

void ChilkatSample(void)
    {
    bool success = false;

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

    CkHttpW http;

    //  Implements the following CURL command:

    //  curl -X POST https://example.com/v1/messages \
    //    -H "Authorization: Bearer your-auth-token" \
    //    -d '
    //  {
    //      "preview_url": false,
    //      "recipient_type": "individual",
    //      "to": "whatsapp-id-or-group-id",
    //      "type": "text",
    //      "text": {
    //          "body": "your-text-message-content"
    //      }
    //  }'

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

    //  Use this online tool to generate code from sample JSON:
    //  Generate Code to Create JSON

    //  The following JSON is sent in the request body.

    //  {
    //    "preview_url": false,
    //    "recipient_type": "individual",
    //    "to": "whatsapp-id-or-group-id",
    //    "type": "text",
    //    "text": {
    //      "body": "your-text-message-content"
    //    }
    //  }

    CkJsonObjectW json;
    json.UpdateBool(L"preview_url",false);
    json.UpdateString(L"recipient_type",L"individual");
    json.UpdateString(L"to",L"whatsapp-id-or-group-id");
    json.UpdateString(L"type",L"text");
    json.UpdateString(L"text.body",L"your-text-message-content");

    //  Adds the "Authorization: Bearer your-auth-token" header.
    http.put_AuthToken(L"your-auth-token");

    CkHttpResponseW resp;
    success = http.HttpJson(L"POST",L"https://example.com/v1/messages",json,L"application/json",resp);
    if (success == 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");
        return;
    }

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

    //  {
    //    "messages": [
    //      {
    //        "id": "gBEGkYiEB1VXAglK1ZEqA1YKPrU"
    //      }
    //    ]
    //  }

    //  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.

    const wchar_t *id = 0;

    int i = 0;
    int count_i = jResp.SizeOfArray(L"messages");
    while (i < count_i) {
        jResp.put_I(i);
        id = jResp.stringOf(L"messages[i].id");
        i = i + 1;
    }
    }