Glossary
Related glossary terms
A RESTful API (REpresentational State Transfer) is a type of web-based API that follows a set of principles for building scalable and stateless communication between systems. It’s one of the most common ways for applications to request or manipulate data over the internet, usually via HTTP.
In email infrastructure, RESTful APIs are often used to:
REST APIs typically use four main HTTP methods:
For example, Mailgun’s Email API is RESTful. Developers can POST a message to Mailgun’s API to send it, and GET a delivery log for that same message seconds later.
REST is flexible, language-agnostic, and easy to work with – especially for integrating email functionality into web apps, CRMs, or marketing automation tools.
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