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(Unicode C) SendGrid Hello World -- Send Simple Email to Single RecipientSee more SendGrid ExamplesSends an email to a single recipient using SendGrid. For more information, see https://sendgrid.com/docs/for-developers/sending-email/curl-examples/
#include <C_CkHttpW.h> #include <C_CkJsonObjectW.h> #include <C_CkHttpResponseW.h> void ChilkatSample(void) { HCkHttpW http; BOOL success; HCkJsonObjectW json; HCkHttpResponseW resp; // 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"); CkHttpW_SetRequestHeader(http,L"Content-Type",L"application/json"); resp = CkHttpW_PostJson3(http,L"https://api.sendgrid.com/v3/mail/send",L"application/json",json); if (CkHttpW_getLastMethodSuccess(http) == FALSE) { wprintf(L"%s\n",CkHttpW_lastErrorText(http)); CkHttpW_Dispose(http); CkJsonObjectW_Dispose(json); 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)); CkHttpResponseW_Dispose(resp); } CkHttpW_Dispose(http); CkJsonObjectW_Dispose(json); } |
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