GraphQL Subscription Builder
Build GraphQL subscription queries with custom event names and payload fields. Generate ready-to-use subscription strings. Code never leaves your device — formatting and validation run locally in your browser.
How to Use the GraphQL Subscription Builder
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Frequently Asked Questions
What is a GraphQL subscription?
Subscriptions provide real-time updates over WebSocket connections. When data changes on the server, the server pushes updates to connected clients. They use the same syntax as queries but with the subscription keyword.
What does this builder generate?
It generates ready-to-use GraphQL subscription strings with your chosen event name, payload fields, and optional variables. Copy the output directly into your client-side code.
Can I include nested fields and fragments?
Yes. The builder supports nested field selection, inline fragments, and variable definitions. Construct complex subscription payloads with the visual field picker.
Which WebSocket libraries work with the output?
The generated subscriptions work with Apollo Client, urql, graphql-ws, and any standards-compliant GraphQL WebSocket client.
Is my schema data stored?
No. All generation happens locally in your browser. No subscription definitions or schema data is sent to any server.
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Last updated October 2026