Email & comms

MailerSend

A transactional email API with a focus on high deliverability and a user-friendly template builder.

Overview

MailerSend provides a robust API for sending transactional emails, with strong emphasis on deliverability monitoring and analytics. It includes a drag-and-drop email builder, in-app notifications, and a unified dashboard for managing all communication channels.

Best for

High-volume transactional emails
Teams needing detailed deliverability analytics

Trade-offs

vs SendGrid

MailerSend is newer and often more affordable for startups; SendGrid has a larger ecosystem and more enterprise features.

What XeroHack pre-wires

When you pick MailerSend in the interview, the engine emits these files into your scaffold:

PHP, Python, Ruby, Node.js SDKs

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