Convert JSON to GraphQL SDL Schema Definitions
Transform sample JSON responses into clean GraphQL type definitions with ID, String, Int, and Float scalars.
About This Tool
JSON to GraphQL Schema Generator converts sample JSON API payloads into Schema Definition Language (SDL) type blocks, inferring ID, Int, Float, String, and Boolean scalars with nested object types.
Key Features
Generates GraphQL Schema Definition Language (SDL) type blocks
Automatic ID, Int, Float, String, and Boolean scalar inference
Nested type decomposition and non-null (!) assertions
How to Use
- 1Paste your sample JSON payload into the input editor.
- 2Set your root GraphQL type name.
- 3Copy the generated GraphQL SDL type definitions.
Why Use ToolSnippet JSON to GraphQL Schema Generator?
Accelerate GraphQL API schema design and Apollo Server development.
Automatically extracts nested objects into distinct GraphQL types.
Tips for Best Results
- Paste these types directly into your schema.graphql or Apollo Server typeDefs template string
Frequently Asked Questions
How are ID fields detected in GraphQL schema generation?
Fields named 'id' or ending in 'Id' (e.g. userId) are automatically mapped to the GraphQL ID! scalar.
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