Unicode C

SendGrid Hello World -- Send Simple Email to Single Recipient

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Sends an email to a single recipient using SendGrid. Unicode C

#include <C_CkHttpW.h>
#include <C_CkJsonObjectW.h>
#include <C_CkHttpResponseW.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkHttpW http;
    HCkJsonObjectW json;
    HCkHttpResponseW resp;

    success = FALSE;

    //  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 --request POST \
    //    --url https://api.sendgrid.com/v3/mail/send \
    //    --header 'Authorization: Bearer YOUR_API_KEY' \
    //    --header 'Content-Type: application/json' \
    //    --data '{"personalizations": [{"to": [{"email": "recipient@example.com", "name": "Recipient Name"}]}],"from": {"email": "sendeexampexample@example.com"},"subject": "Hello, World!","content": [{"type": "text/plain", "value": "Heya!"}]}'

    //  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.

    //  {
    //    "personalizations": [
    //      {
    //        "to": [
    //          {
    //            "email": "recipient@example.com",
    //            "name": "Recipient Name"
    //          }
    //        ]
    //      }
    //    ],
    //    "from": {
    //      "email": "sendeexampexample@example.com"
    //    },
    //    "subject": "Hello, World!",
    //    "content": [
    //      {
    //        "type": "text/plain",
    //        "value": "Heya!"
    //      }
    //    ]
    //  }

    json = CkJsonObjectW_Create();
    CkJsonObjectW_UpdateString(json,L"personalizations[0].to[0].email",L"recipient@example.com");
    //  The "name" is optional.
    CkJsonObjectW_UpdateString(json,L"personalizations[0].to[0].name",L"Recipient Name");
    CkJsonObjectW_UpdateString(json,L"from.email",L"sendeexampexample@example.com");
    CkJsonObjectW_UpdateString(json,L"subject",L"Hello, World!");
    CkJsonObjectW_UpdateString(json,L"content[0].type",L"text/plain");
    CkJsonObjectW_UpdateString(json,L"content[0].value",L"Heya!");

    //  Adds the "Authorization: Bearer YOUR_API_KEY" header.
    CkHttpW_putAuthToken(http,L"YOUR_API_KEY");

    resp = CkHttpResponseW_Create();
    success = CkHttpW_HttpJson(http,L"POST",L"https://api.sendgrid.com/v3/mail/send",json,L"application/json",resp);
    if (success == FALSE) {
        wprintf(L"%s\n",CkHttpW_lastErrorText(http));
        CkHttpW_Dispose(http);
        CkJsonObjectW_Dispose(json);
        CkHttpResponseW_Dispose(resp);
        return;
    }

    if (CkHttpW_getLastMethodSuccess(http) != TRUE) {
        wprintf(L"%s\n",CkHttpW_lastErrorText(http));
    }
    else {
        wprintf(L"response status code: %d\n",CkHttpResponseW_getStatusCode(resp));
        //  Display the response.
        //  If successful, the response code is 202 and the response body string is empty.
        //  (The response body string may also be empty for error response codes.)
        wprintf(L"%s\n",CkHttpResponseW_bodyStr(resp));
    }



    CkHttpW_Dispose(http);
    CkJsonObjectW_Dispose(json);
    CkHttpResponseW_Dispose(resp);

    }