GraphQL Subscription Builder — Generate WebSocket Payloads and Client Queries
Build GraphQL subscription query strings and generate WebSocket connection code snippets for Apollo Client, urql, and graphql-ws. Define your operation name, variables, and selection fields visually, then copy the ready-to-use code.
How to Use GraphQL Subscription Builder — Generate WebSocket Payloads and Client Queries
How to Use the GraphQL Subscription Builder:
Load an Example: Click one of the preset buttons (Chat Messages, Order Updates, Live Notifications, Stock Prices) to populate the form with a working example.
Set Operation Name: Enter the GraphQL operation name (e.g. OnMessageAdded). This appears after the subscription keyword and is used for debugging and DevTools.
Set Subscription Field: Enter the root subscription field name as defined in your GraphQL schema (e.g. messageAdded). This is the field your server exposes under the Subscription type.
Set WebSocket URL: Enter your GraphQL WebSocket endpoint (e.g. wss://api.example.com/graphql). This is used in the generated client setup code.
Add Variables: Click "Add Variable" to define subscription arguments. Enter the variable name, GraphQL type (ID, String, Int, Float, Boolean, or a custom type), and check "Req" if the variable is required (adds ! to the type).
Define Selection Fields: Type the fields you want to receive in the subscription payload, one per line. Indent nested fields with spaces to represent selection sets (e.g. author { id name }).
Choose a Client Library: Select Apollo Client, urql, or graphql-ws from the tabs in the Client Code panel.
Click Generate: The builder produces the formatted GraphQL subscription document and the corresponding TypeScript/JSX setup code for your chosen library.
Copy and Use: Use the Copy buttons to copy the query or client code directly into your project.
Frequently Asked Questions
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