AsyncAPI channel · Amazon API Gateway
· Amazon API Gateway WebSocket API Protocol
$default
Platform-reserved fallback route. Invoked when the inbound payload is not
valid JSON, when `routeSelectionExpression` cannot be evaluated against the
payload, or when no customer-defined route key matches the extracted value.
Provider:Amazon API GatewayAsyncAPI: v2.6.0Spec: Amazon API Gateway WebSocket API ProtocolOperations: 1Messages: 1
Channel address
$default
Operations
subscribe
onDefault
API Gateway delivers an unrouted inbound message to the `$default` integration.
Messages
DefaultMessage
Inbound message that did not match any custom route key, or that could
not be parsed as JSON for route selection.
Content-Type:
About AsyncAPI
The AsyncAPI specification describes event-driven APIs the way OpenAPI describes request/response APIs. A channel is the named pipe — a webhook URL, a Kafka topic, a WebSocket route, an MQTT subject — that producers and consumers publish or subscribe to. Each channel carries one or more messages with structured payloads, and an operation declares whether a given party sends or receives on that channel.
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