Bird vs MailerSend for transactional email

import { MailerSend, EmailParams, Sender, Recipient } from "mailersend";

const ms = new MailerSend({ apiKey: process.env.MAILERSEND_API_KEY! });

await ms.email.send(
  new EmailParams()
    .setFrom(new Sender("onboarding@yourdomain.com", "Acme"))
    .setTo([new Recipient("customer@example.com")])
    .setSubject("Your March invoice")
    .setHtml("<p>Attached.</p>"),
);

import { BirdClient } from "@messagebird/sdk";

const bird = new BirdClient({ apiKey: process.env.BIRD_API_KEY! });

const { data, error } = await bird.email
  .send({
    from:    { email: "onboarding@yourdomain.com", name: "Acme" },
    to:      ["customer@example.com"],
    subject: "Your March invoice",
    html:    "<p>Attached.</p>",
  })
  .safe();

if (error) console.error(error.message);
else console.log(data.id);