Sendgrid

Go through the setup flow to get API_KEY

Node

utils.js

const sgMail = require("@sendgrid/mail");
sgMail.setApiKey(conf.get("SENDGRID_API_KEY"));
module.exports = {sgMail};

router/user.js

const { sgMail } = require("../utils.js");

const msg = {
  to: "[e-mail]",
  from: {
    email: "[e-mail]",
    name: "Team Modulo"
  },
  dynamic_template_data: {
    article_link: req.body.url
  },
  template_id: "d-256323a1409f4afc8e1fa85682b248b3"
};
await sgMail.send(msg);

Elixir

mix.exs

{:sendgrid, "~> 2.0"}

config.exs

config :sendgrid,
  api_key: "SENDGRID_API_KEY"

reactphoenix/email.ex

defmodule ReactPhoenix.Email do
  alias SendGrid.Email
  alias SendGrid.Mail

  def test() do
    Email.build()
    |> Email.add_to("[e-mail]")
    |> Email.put_from("[e-mail]")
    |> Email.put_subject("Hello from Elixir")
    |> Email.put_text("Sent with Elixir")
    |> Mail.send()
  end
end