Email Sending Example Using SendGrid Node.js SDK

index.js

// Make sure you have added @sendgrid/mail to your Node.js project.
//
// Example Usage:
// API_KEY=SG.123456789 CUSTOM_URL=https://www.example.com?campaign_id=my-campaign RECIPIENT_EMAIL=johndoe@gmailx.com node index.js

const sgMail = require('@sendgrid/mail')
sgMail.setApiKey(process.env.API_KEY)

const text = `Please click this link for my email campaign: ${process.env.CUSTOM_URL}`
const html = `Please click <a href="${process.env.CUSTOM_URL}"}this link</a> for my email campaign.`

const msg = {
  to: process.env.RECIPIENT_EMAIL,
  from: 'example@example.com', // CHANGE THIS TO USE YOUR SENDGRID VERIFIED SENDER
  subject: 'SendGrid Test Email with campaign link',
  text,
  html
}

sgMail
  .send(msg)
  .then((response) => {
    console.log(response[0].statusCode)
    console.log(response[0].headers)
  })
  .catch((error) => {
    console.error(error)
  })