(C++) WaTrend Send WhatsApp Text

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Send a WhatsApp text.

Chilkat C/C++ Library Downloads
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#include <CkHttp.h>
#include <CkHttpRequest.h>
#include <CkStringBuilder.h>
#include <CkHttpResponse.h>
#include <CkJsonObject.h>

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

    CkHttp http;
    bool success;

    // Use your actual access token instead of 555555555555555555555555555555
    CkHttpRequest req;
    req.AddParam("number","84933313xxx");
    req.AddParam("type","text");
    req.AddParam("message","This is a test message");
    req.AddParam("instance_id","609ACF283XXXX");
    req.AddParam("access_token","555555555555555555555555555555");

    // Note: The WaTrend online documentation indicate a POST should be used.
    // However, it seems you might actually need to send a GET request.
    // It is unclear.  
    // If a GET is neeed, you would just send to the URL w/ query params like this:
    CkStringBuilder sbUrl;
    sbUrl.Append("https://app.watrend.com/api/send.php?");
    sbUrl.Append(req.getUrlEncodedParams());
    const char *responseBodyStr = http.quickGetStr(sbUrl.getAsString());
    // The responseBodyStr contains the JSON response from the server..

    // If a POST is needed, then it is sent like this:
    CkHttpResponse *resp = http.PostUrlEncoded("https://app.watrend.com/api/send.php",req);
    if (http.get_LastMethodSuccess() == false) {
        std::cout << http.lastErrorText() << "\r\n";
        return;
    }

    CkStringBuilder sbResponseBody;
    resp->GetBodySb(sbResponseBody);

    int respStatusCode = resp->get_StatusCode();
    std::cout << "Response Status Code = " << respStatusCode << "\r\n";
    if (respStatusCode >= 400) {
        std::cout << "Response Header:" << "\r\n";
        std::cout << resp->header() << "\r\n";
        std::cout << "Failed." << "\r\n";
        delete resp;
        return;
    }

    std::cout << resp->bodyStr() << "\r\n";

    // Both success and failed responses use 200 status code.

    // A success response contains this JSON in the response body:
    // {"status":"success", ... }

    // A failed response will contain something like this:
    // {"status":"error","message":"License Invalidated"}

    CkJsonObject jResp;
    jResp.LoadSb(sbResponseBody);

    const char *status = jResp.stringOf("status");
    std::cout << "status: " << status << "\r\n";

    delete resp;
    }