(C) Clickatell Send SMS Text Message

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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_CkHttp.h>
#include <C_CkJsonObject.h>
#include <C_CkHttpResponse.h>
#include <C_CkStringBuilder.h>

void ChilkatSample(void)
    {
    HCkHttp http;
    BOOL success;
    HCkJsonObject json;
    HCkHttpResponse resp;
    HCkStringBuilder sbResponseBody;
    HCkJsonObject jResp;
    int respStatusCode;
    const char *errorCode;
    const char *error;
    const char *errorDescription;
    int i;
    int count_i;
    const char *apiMessageId;
    BOOL accepted;
    const char *v_to;

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

    http = CkHttp_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 = CkJsonObject_Create();
    CkJsonObject_UpdateString(json,"content","Test Message Text");
    CkJsonObject_UpdateString(json,"to[0]","PHONE_NUMBER");
    CkJsonObject_UpdateString(json,"from","FROM_PHONE_NUMBER");

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

    // If the following URL does not work, then try "https://platform.clickatell.com/v1/message"
    resp = CkHttp_PostJson3(http,"https://platform.clickatell.com/messages","application/json",json);
    if (CkHttp_getLastMethodSuccess(http) == FALSE) {
        printf("%s\n",CkHttp_lastErrorText(http));
        CkHttp_Dispose(http);
        CkJsonObject_Dispose(json);
        return;
    }

    sbResponseBody = CkStringBuilder_Create();
    CkHttpResponse_GetBodySb(resp,sbResponseBody);
    jResp = CkJsonObject_Create();
    CkJsonObject_LoadSb(jResp,sbResponseBody);
    CkJsonObject_putEmitCompact(jResp,FALSE);

    printf("Response Body:\n");
    printf("%s\n",CkJsonObject_emit(jResp));

    respStatusCode = CkHttpResponse_getStatusCode(resp);
    printf("Response Status Code = %d\n",respStatusCode);
    if (respStatusCode >= 400) {
        printf("Response Header:\n");
        printf("%s\n",CkHttpResponse_header(resp));
        printf("Failed.\n");
        CkHttpResponse_Dispose(resp);
        CkHttp_Dispose(http);
        CkJsonObject_Dispose(json);
        CkStringBuilder_Dispose(sbResponseBody);
        CkJsonObject_Dispose(jResp);
        return;
    }

    CkHttpResponse_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 = CkJsonObject_stringOf(jResp,"errorCode");
    error = CkJsonObject_stringOf(jResp,"error");
    errorDescription = CkJsonObject_stringOf(jResp,"errorDescription");
    i = 0;
    count_i = CkJsonObject_SizeOfArray(jResp,"messages");
    while (i < count_i) {
        CkJsonObject_putI(jResp,i);
        apiMessageId = CkJsonObject_stringOf(jResp,"messages[i].apiMessageId");
        accepted = CkJsonObject_BoolOf(jResp,"messages[i].accepted");
        v_to = CkJsonObject_stringOf(jResp,"messages[i].to");
        errorCode = CkJsonObject_stringOf(jResp,"messages[i].errorCode");
        error = CkJsonObject_stringOf(jResp,"messages[i].error");
        errorDescription = CkJsonObject_stringOf(jResp,"messages[i].errorDescription");
        i = i + 1;
    }



    CkHttp_Dispose(http);
    CkJsonObject_Dispose(json);
    CkStringBuilder_Dispose(sbResponseBody);
    CkJsonObject_Dispose(jResp);

    }