# What is MailerSend?
MailerSend is a powerful transactional email system built for developers but designed so non-tech teams can contribute without coding.
We believe that creating, sending and tracking transactional emails is a team effort. Everyone contributes to analyzing and optimizing email engagement. MailerSend offers an intuitive interface along with a powerful sending infrastructure to scale quickly.
At the moment, transactional emails can be sent out through MailerSend’s Email API or using SMTP relay.
# MailerSend API
MailerSend API is RESTful, fully-featured, and easy to integrate with.
You can use your favorite HTTP/REST library that is available for your programming language to make HTTP calls. MailerSend supports the list of official libraries of your favorite programming language.
# Base URL
All API requests should start with the following base part:
# Official libraries
The list of official MailerSend libraries are maintained by the developers at MailerSend and are the easiest way to integrate MailerSend with your application.
We try to keep our documentation clear and as simple as possible. If you have something you’d like to see, your feedback is always encouraged.