Contentful is a headless content management system (CMS) designed for managing and distributing content across various digital platforms and devices. It allows developers and content creators to create, manage, and deliver content seamlessly with the use of APIs. Contentful is known for its flexibility and scalability, making it suitable for large-scale enterprises as well as small businesses. Features of a subscription may include access to a content delivery network, API requests, environments for development, content versioning, and collaboration tools among team members.