Twilio SendGrid

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using System;
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using System.Threading.Tasks;
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using SendGrid;
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using SendGrid.Helpers.Mail;
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class Program
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{
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    static async Task Main()
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    {
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        var apiKey = Environment.GetEnvironmentVariable("SENDGRID_API_KEY");
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        var client = new SendGridClient(apiKey);
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        var from = new EmailAddress("test@example.com", "Example User");
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        var subject = "Sending with Twilio SendGrid is Fun";
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        var to = new EmailAddress("test@example.com", "Example User");
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        var plainTextContent = "and easy to do anywhere, even with C#";
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        var htmlContent = "<strong>and easy to do anywhere, even with C#</strong>";
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        var msg = MailHelper.CreateSingleEmail(from, to, subject, plainTextContent, htmlContent);
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        var response = await client.SendEmailAsync(msg).ConfigureAwait(false);
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    }
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}

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package main
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import (
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	"fmt"
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	"log"
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	"os"
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	"github.com/sendgrid/sendgrid-go"
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	"github.com/sendgrid/sendgrid-go/helpers/mail"
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)
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func main() {
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	from := mail.NewEmail("Example User", "test@example.com")
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	subject := "Sending with Twilio SendGrid is Fun"
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	to := mail.NewEmail("Example User", "test@example.com")
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	plainTextContent := "and easy to do anywhere, even with Go"
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	htmlContent := "<strong>and easy to do anywhere, even with Go</strong>"
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	message := mail.NewSingleEmail(from, subject, to, plainTextContent, htmlContent)
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	client := sendgrid.NewSendClient(os.Getenv("SENDGRID_API_KEY"))
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	response, err := client.Send(message)
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	if err != nil {
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		log.Println(err)
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	} else {
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		fmt.Println(response.StatusCode)
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		fmt.Println(response.Body)
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		fmt.Println(response.Headers)
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	}
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}

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import com.sendgrid.*;
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import java.io.IOException;
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public class Example {
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  public static void main(String[] args) throws IOException {
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    Email from = new Email("test@example.com");
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    String subject = "Sending with Twilio SendGrid is Fun";
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    Email to = new Email("test@example.com");
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    Content content = new Content("text/plain", "and easy to do anywhere, even with Java");
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    Mail mail = new Mail(from, subject, to, content);
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    SendGrid sg = new SendGrid(System.getenv("SENDGRID_API_KEY"));
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    Request request = new Request();
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    try {
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      request.setMethod(Method.POST);
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      request.setEndpoint("mail/send");
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      request.setBody(mail.build());
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      Response response = sg.api(request);
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      System.out.println(response.getStatusCode());
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      System.out.println(response.getBody());
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      System.out.println(response.getHeaders());
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    } catch (IOException ex) {
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      throw ex;
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    }
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  }
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}

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const sgMail = require('@sendgrid/mail');
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sgMail.setApiKey(process.env.SENDGRID_API_KEY);
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const msg = {
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  to: 'test@example.com',
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  from: 'test@example.com', // Use the email address or domain you verified above
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  subject: 'Sending with Twilio SendGrid is Fun',
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  text: 'and easy to do anywhere, even with Node.js',
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  html: '<strong>and easy to do anywhere, even with Node.js</strong>',
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};
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(async () => {
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  try {
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    await sgMail.send(msg);
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  } catch (error) {
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    console.error(error);
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    if (error.response) {
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      console.error(error.response.body)
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    }
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  }
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})();

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$email = new \SendGrid\Mail\Mail();
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$email->setFrom("test@example.com", "Example User");
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$email->setSubject("Sending with Twilio SendGrid is Fun");
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$email->addTo("test@example.com", "Example User");
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$email->addContent("text/plain", "and easy to do anywhere, even with PHP");
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$email->addContent(
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    "text/html", "<strong>and easy to do anywhere, even with PHP</strong>"
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);
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$sendgrid = new \SendGrid(getenv('SENDGRID_API_KEY'));
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try {
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    $response = $sendgrid->send($email);
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    print $response->statusCode() . "\n";
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    print_r($response->headers());
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    print $response->body() . "\n";
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} catch (Exception $e) {
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    echo 'Caught exception: '. $e->getMessage() ."\n";
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}

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import sendgrid
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import os
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from sendgrid.helpers.mail import *
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sg = sendgrid.SendGridAPIClient(api_key=os.environ.get('SENDGRID_API_KEY'))
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from_email = Email("test@example.com")
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to_email = To("test@example.com")
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subject = "Sending with SendGrid is Fun"
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content = Content("text/plain", "and easy to do anywhere, even with Python")
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mail = Mail(from_email, to_email, subject, content)
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response = sg.client.mail.send.post(request_body=mail.get())
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print(response.status_code)
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print(response.body)
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print(response.headers)

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require 'sendgrid-ruby'
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include SendGrid
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from = SendGrid::Email.new(email: 'test@example.com')
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to = SendGrid::Email.new(email: 'test@example.com')
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subject = 'Sending with Twilio SendGrid is Fun'
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content = SendGrid::Content.new(type: 'text/plain', value: 'and easy to do anywhere, even with Ruby')
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mail = SendGrid::Mail.new(from, subject, to, content)
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sg = SendGrid::API.new(api_key: ENV['SENDGRID_API_KEY'])
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response = sg.client.mail._('send').post(request_body: mail.to_json)
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puts response.status_code
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puts response.body
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puts response.parsed_body
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puts response.headers