Contentful stores structured content as JSONJavaScript Object Notation — a lightweight text format for structured data exchange on the web. via RESTRepresentational State Transfer — a style for web APIs using HTTP methods and resource URLs. and GraphQL APIs — marketers edit in a web app while developers fetch content in ReactA JavaScript library for building UIs — component trees and declarative rendering for the web., mobile, or IoTInternet of Things — networked sensors and devices embedded in appliances, factories, and cities. apps. It pioneered the headless CMSContent management system — software for building and publishing websites without hand-writing every page. category alongside Strapi and Sanity, decoupling content from presentation.

Contentful helped define headless CMSContent management system — software for building and publishing websites without hand-writing every page.: content as data, not page templates.

APIApplication programming interface — a defined way for programs to talk to each other or to a service.-first content delivery enabled omnichannel apps and JAMstack frontends.