Can it handle nested JSON?

Yes, the converter recursively analyses nested objects and generates separate Types for them if needed.

Is the output ready for Apollo Server?

Yes, the generated syntax is standard GraphQL Schema Definition Language (SDL) compatible with Apollo and other GraphQL servers.

Does it support arrays?

Yes, it detects arrays in your JSON and defines them as lists (e.g., [String]) in the schema.

JSON to GraphQL

JSON to GraphQL Overview

Generate GraphQL schema from JSON

The JSON to GraphQL Schema Converter is a developer productivity tool designed to speed up the process of building GraphQL APIs. Instead of defining complex schema types manually, simply paste a JSON response or object, and the tool will instantly infer the structure and generate the corresponding GraphQL Type definition. It detects primitive types (String, Int, Boolean), nested objects, and arrays, creating a ready-to-use schema snippet. This is particularly useful when you are mocking an API, migrating from REST to GraphQL, or documenting data structures. The tool ensures syntactically correct output that you can copy directly into your server schema file.

How to Use JSON to GraphQL

Paste JSON object
View generated Type definition
Copy GraphQL schema

Frequently Asked Questions

Can it handle nested JSON?: Yes, the converter recursively analyses nested objects and generates separate Types for them if needed.
Is the output ready for Apollo Server?: Yes, the generated syntax is standard GraphQL Schema Definition Language (SDL) compatible with Apollo and other GraphQL servers.
Does it support arrays?: Yes, it detects arrays in your JSON and defines them as lists (e.g., [String]) in the schema.

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