Managing content as a developer used to mean one of two things: hardcoding everything into your codebase or wrestling with a clunky WordPress dashboard. Neither feels great when your client wants to update a blog post at 10pm on a Friday without touching a single line of code.
That's exactly where Sanity CMS shines. It's a headless CMS with a fully customizable studio, a powerful query language called GROQ, and first-class support for Next.js. And in 2026, with Next.js 16's App Router fully matured, the two work together beautifully.
In this guide, you'll set up Sanity CMS inside a Next.js 16 App Router project from scratch: creating a project, defining a schema, writing GROQ queries, typing everything with TypeScript, and rendering rich text content with live updates. By the end, you'll have a working blog listing page and a dynamic post page, both powered entirely by Sanity.
Why Sanity Over Other Headless CMS Options?
There are plenty of headless CMS choices out there — Contentful, Strapi, Payload — so why Sanity?
