# What is MailerSend?
MailerSend is a cloud-based transactional email system built for developers, but designed so your entire team can use it.
# Main points about MailerSend API
- API is built on HTTP and it is RESTful.
- There is no need to learn yet another 3rd party library to use the API.
- You can use your favorite HTTP/REST library available for your programming language to make HTTP calls.
- All code examples will be using cURL and our official PHP SDK.
We try to keep our documentation clear and as simple as possible. Your feedback is always welcome.