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.
Content reviewed October 2026 · About Toolzum
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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.
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.
Yes. The builder supports nested field selection, inline fragments, and variable definitions. Construct complex subscription payloads with the visual field picker.
The generated subscriptions work with Apollo Client, urql, graphql-ws, and any standards-compliant GraphQL WebSocket client.
No. All generation happens locally in your browser. No subscription definitions or schema data is sent to any server.
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