# typed-schema

> TypeScript-first Sanity schemas

Declare a content model once. Get its TypeScript types and a runtime validator from the same definition.

## Table of Contents

### Introduction

- [Why typed schemas](/typed-schema/guide/why.md)
- [Getting started](/typed-schema/guide/getting-started.md)

### Guide

- [Declaring a document](/typed-schema/guide/declaring-a-document.md)
- [Parsing and errors](/typed-schema/guide/parsing.md)
- [Standard Schema](/typed-schema/guide/standard-schema.md)
- [Arrays and `_key`](/typed-schema/guide/arrays.md)
- [Portable Text](/typed-schema/guide/portable-text.md)
- [Composing schemas](/typed-schema/guide/composing.md)
- [Custom creators](/typed-schema/guide/custom-creators.md)
- [Partial and required variants](/typed-schema/guide/partial-and-required.md)
- [Document lifecycles](/typed-schema/guide/lifecycles.md)
- [Recursive schemas](/typed-schema/guide/recursive-schemas.md)
- [Schema annotations](/typed-schema/guide/annotations.md)
- [Loading documents and references](/typed-schema/guide/loaders.md)
- [GraphQL compatibility](/typed-schema/guide/graphql.md)
- [Using a typed schema in Sanity Studio](/typed-schema/guide/studio.md)
- [Limitations](/typed-schema/guide/limitations.md)

### API reference

- [Schema types](/typed-schema/api/schema-types.md)
- [Modifiers and transforms](/typed-schema/api/transforms.md)
- [Parsing](/typed-schema/api/parsing.md)
- [Annotations](/typed-schema/api/annotations.md)
- [Lifecycle helpers](/typed-schema/api/lifecycle.md)
- [Loaders](/typed-schema/api/loaders.md)
- [Utility types](/typed-schema/api/utility-types.md)