{"id":"apigw-websocket-backend-invoked-per-message","text":"WebSocket API connections are persistent between client and API Gateway only; backend integrations (e.g., Lambda) are invoked on-demand per message, not persistently connected.","truth_value":"IN","source":"entries/2026/03/11/apigateway-latest-developerguide-api-gateway-basic-concepthtml.md","source_url":"","source_hash":"f6f329540a19bdc6","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"apigw-websocket-backend-invoked-per-message","truth_value":"IN","reason":"premise"}]}}