Email & Notifications

Customer.io

A customer engagement platform for automating personalized messaging and lifecycle marketing based on behavioral data.

Heybounce

Email verification service for real-time validation, bulk list cleaning, and sender reputation protection.

Mailgun

Transactional email delivery service providing APIs for sending, validating, and optimizing email campaigns.

React Email

A collection of unstyled components for building emails using React, Tailwind CSS, and TypeScript with cross-client compatibility support.

Resend

Email platform for developers to send transactional and marketing emails at scale with a focus on deliverability.

Truelist

Email validation platform to clean lists, verify addresses in real-time, and protect sender reputation.

Twilio

Cloud communications platform providing APIs for SMS, voice, email, and conversational AI services.