Sanity – A Headless CMS Construction Kit in JavaScript

In plain words

Sanity is a headless CMS built on JavaScript that serves as a backend for content operations and AI workflows. It enables developers to power web, mobile, and agentic applications by providing a unified platform for managing and delivering content at scale. The system uses customizable content schemas and supports integration with AI-driven workflows, making it suitable for teams building content-heavy applications across multiple platforms.

written from the facts on this page · September 2026

From the sources

Power content applications and AI workflows at scale. Every application, one platform. import {defineField, defineType} from 'sanity' export const heroType = defineType ({ name: 'hero' , title: 'Hero' , type: 'document' , fields: [ defineField ({ name: 'title' , title: 'Title' , type: 'string' , validation : ( Rule ) => Rule. required (), }), defineField ({ name: 'description' , title: 'Description' , type: 'text' , rows: 3 , }), defineField ({ name: 'image' , title: 'Image' , type: 'image' , options: { hotspot: true , }, fields: [ { name: 'alt' , type: 'string' , title: 'Alternative text' , description: 'Important for SEO and accessibility.' , }, ], }), ], preview: { select: { title:…from sanity.io

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