Graphql Sdl Validator

Free online tool to validate GraphQL Schema Definition Language (SDL). Check syntax, detect errors, and ensure your GraphQL schemas are compliant with specifications.

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796+

Total Calculations Run

< 15ms

Browser Execution Speed

100%

Client-Side Privacy

4.9 / 5.0

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Om dette verktøyet

Our GraphQL SDL Validator is a powerful online tool designed to help developers validate their GraphQL Schema Definition Language (SDL) quickly and accurately. Whether you're building a new GraphQL API or maintaining an existing one, this tool ensures your schema definitions follow proper syntax and comply with GraphQL specifications. The validator checks for common errors including syntax mistakes, type inconsistencies, directive misuse, and schema structure issues. With instant feedback and detailed error messages, you can identify and fix problems before they impact your application. This tool supports the latest GraphQL specifications and is completely free to use with no registration required.

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Hvordan bruke

Copy your GraphQL SDL code from your editor or file
Paste the SDL code into the input field on our tool page
Click the 'Validate' button to start the validation process
Review the results - valid schemas will show a success message, while invalid schemas will display detailed error information
Fix any identified issues in your original code based on the error messages
Re-validate until your SDL passes all checks

Frequently Asked Questions

Finn raske svar

What is GraphQL SDL?

GraphQL Schema Definition Language (SDL) is a syntax for defining GraphQL schemas. It provides a human-readable way to describe the types, queries, mutations, and subscriptions available in a GraphQL API.

What types of errors does this validator detect?

The validator detects syntax errors, type definition issues, field conflicts, directive misuse, circular dependencies, and violations of GraphQL specification rules. It provides specific error messages to help you identify and fix each problem.

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