# The MailerSend alternative for transactional email | Bird

MailerSend is a clean, affordable email API with a few features Bird does not match. Bird runs on SparkPost, the platform it acquired in 2021 that carries about 40% of the world’s commercial email, and adds idempotency, global SMS and voice on the same API, and a decade of deliverability engineering. Here is where each one fits. See the Bird Email API for the full surface.

## What MailerSend is great at. Where Bird is different.

## Low.