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July 16, 2025 1 min read

Building a GraphQL API Over Sanity CMS

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How I built a type-safe GraphQL layer on top of Sanity's GROQ queries for better developer experience.

Building a GraphQL API Over Sanity CMS

Sanity's GROQ is powerful, but I wanted GraphQL's type safety and tooling. Here's how I built a translation layer.

Why Not Use Sanity's Native GraphQL?

Sanity offers a GraphQL API, but it auto-generates types from your schema. I wanted custom resolvers, computed fields, and the ability to aggregate data from multiple sources.

The Architecture

Benefits of This Approach

1. Full control over the API shape

2. Computed fields and aggregations

3. Type generation with GraphQL Code Generator

4. Single endpoint for multiple data sources