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GraphQL Tester

GraphQL Tester

Test GraphQL queries and mutations

GraphQL Endpoint

Query

Variables (JSON, optional)

Headers (one per line)

Requests are made from your browser. CORS restrictions may apply.

How It Works

Test GraphQL APIs from your browser with our free query tester. Execute queries and mutations with variables, custom headers, and formatted response output. Perfect for quick GraphQL exploration.

GraphQL is a query language for APIs that lets you request exactly the data you need. Our tester provides a simple interface for sending GraphQL queries with variables and viewing structured responses.

Frequently Asked Questions

How do I use variables?

Enter your variables as a JSON object in the Variables field. Reference them in your query with $variableName syntax and declare types in the query definition.

Does it support mutations?

Yes, you can execute both queries and mutations. Enter your mutation as you would in any GraphQL client, along with any required variables.

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