Sanity CMS
By Sanity.io
Sanity CMS is a headless content management platform that stores content as structured JSON and provides a customizable, real-time authoring interface (Sanity Studio) alongside a hosted content API.
Definition
Sanity CMS is a headless content management platform that stores content as structured JSON and provides a customizable, real-time authoring interface (Sanity Studio) alongside a hosted content API.
Overview
Sanity is a Headless CMS built around structured content: instead of pages made of freeform HTML, content is modeled as JSON documents with defined schemas, which developers configure in code. This makes content easy to query and reuse across multiple channels — web, mobile, or other surfaces — via Sanity's GROQ query language or a GraphQL API layer. The authoring experience is delivered through Sanity Studio, an open-source, React-based editing interface that developers can fully customize — adding custom input components, validation rules, and preview panes — rather than being limited to a fixed admin UI. Content changes sync in real time to Sanity's hosted content lake, which any front end can query, making it a popular choice for teams building with Next.js or React in JAMstack and composable architectures. Sanity's positioning — highly customizable schemas, real-time collaboration, and a generous free tier — has made it popular with developer-led teams building content-rich marketing sites, e-commerce catalogs, and documentation platforms, competing directly with Contentful and Payload CMS.
Key Features
- Structured content modeled as JSON documents with custom schemas
- Sanity Studio: an open-source, fully customizable React-based editor
- GROQ query language plus GraphQL API access to content
- Real-time collaborative editing and content sync
- Hosted content lake with CDN-backed delivery
- Portable Text format for rich, structured, renderer-agnostic content
- Version history and content rollback
- Generous free tier for small projects