(Unicode C) Clickatell Send SMS Text Message

See more Clickatell Examples

Demonstrate how to send a Clickatell SMS text message.

For more information, see https://docs.clickatell.com/channels/sms-channels/sms-api-reference/

Chilkat C/C++ Library Downloads
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#include <C_CkHttpW.h>
#include <C_CkJsonObjectW.h>
#include <C_CkHttpResponseW.h>
#include <C_CkStringBuilderW.h>

void ChilkatSample(void)
    {
    HCkHttpW http;
    BOOL success;
    HCkJsonObjectW json;
    HCkHttpResponseW resp;
    HCkStringBuilderW sbResponseBody;
    HCkJsonObjectW jResp;
    int respStatusCode;
    const wchar_t *errorCode;
    const wchar_t *error;
    const wchar_t *errorDescription;
    int i;
    int count_i;
    const wchar_t *apiMessageId;
    BOOL accepted;
    const wchar_t *v_to;

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

    http = CkHttpW_Create();

    // Implements the following CURL command:

    // curl -i \
    // -X POST \
    // -H "Content-Type: application/json" \
    // -H "Accept: application/json" \
    // -H "Authorization: API_KEY" \
    // -d '{"content": "Test Message Text", "to": ["PHONE_NUMBER"], "from": "FROM_PHONE_NUMBER" }' \
    // -s https://platform.clickatell.com/messages

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

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

    // {
    //   "content": "Test Message Text",
    //   "to": [
    //     "PHONE_NUMBER"
    //   ]
    // }

    json = CkJsonObjectW_Create();
    CkJsonObjectW_UpdateString(json,L"content",L"Test Message Text");
    CkJsonObjectW_UpdateString(json,L"to[0]",L"PHONE_NUMBER");
    CkJsonObjectW_UpdateString(json,L"from",L"FROM_PHONE_NUMBER");

    CkHttpW_SetRequestHeader(http,L"Authorization",L"API_KEY");
    CkHttpW_SetRequestHeader(http,L"Accept",L"application/json");
    CkHttpW_SetRequestHeader(http,L"Content-Type",L"application/json");

    // If the following URL does not work, then try "https://platform.clickatell.com/v1/message"
    resp = CkHttpW_PostJson3(http,L"https://platform.clickatell.com/messages",L"application/json",json);
    if (CkHttpW_getLastMethodSuccess(http) == FALSE) {
        wprintf(L"%s\n",CkHttpW_lastErrorText(http));
        CkHttpW_Dispose(http);
        CkJsonObjectW_Dispose(json);
        return;
    }

    sbResponseBody = CkStringBuilderW_Create();
    CkHttpResponseW_GetBodySb(resp,sbResponseBody);
    jResp = CkJsonObjectW_Create();
    CkJsonObjectW_LoadSb(jResp,sbResponseBody);
    CkJsonObjectW_putEmitCompact(jResp,FALSE);

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

    respStatusCode = CkHttpResponseW_getStatusCode(resp);
    wprintf(L"Response Status Code = %d\n",respStatusCode);
    if (respStatusCode >= 400) {
        wprintf(L"Response Header:\n");
        wprintf(L"%s\n",CkHttpResponseW_header(resp));
        wprintf(L"Failed.\n");
        CkHttpResponseW_Dispose(resp);
        CkHttpW_Dispose(http);
        CkJsonObjectW_Dispose(json);
        CkStringBuilderW_Dispose(sbResponseBody);
        CkJsonObjectW_Dispose(jResp);
        return;
    }

    CkHttpResponseW_Dispose(resp);

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

    // {
    //   "messages": [
    //     {
    //       "apiMessageId": "66c06ac68e5c4afb953ea9328babfde6",
    //       "accepted": true,
    //       "to": "16302581871",
    //       "errorCode": null,
    //       "error": null,
    //       "errorDescription": null
    //     }
    //   ],
    //   "errorCode": null,
    //   "error": null,
    //   "errorDescription": null
    // }

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

    errorCode = CkJsonObjectW_stringOf(jResp,L"errorCode");
    error = CkJsonObjectW_stringOf(jResp,L"error");
    errorDescription = CkJsonObjectW_stringOf(jResp,L"errorDescription");
    i = 0;
    count_i = CkJsonObjectW_SizeOfArray(jResp,L"messages");
    while (i < count_i) {
        CkJsonObjectW_putI(jResp,i);
        apiMessageId = CkJsonObjectW_stringOf(jResp,L"messages[i].apiMessageId");
        accepted = CkJsonObjectW_BoolOf(jResp,L"messages[i].accepted");
        v_to = CkJsonObjectW_stringOf(jResp,L"messages[i].to");
        errorCode = CkJsonObjectW_stringOf(jResp,L"messages[i].errorCode");
        error = CkJsonObjectW_stringOf(jResp,L"messages[i].error");
        errorDescription = CkJsonObjectW_stringOf(jResp,L"messages[i].errorDescription");
        i = i + 1;
    }



    CkHttpW_Dispose(http);
    CkJsonObjectW_Dispose(json);
    CkStringBuilderW_Dispose(sbResponseBody);
    CkJsonObjectW_Dispose(jResp);

    }