AsyncAPI channel · cumulocity · Cumulocity MQTT Service

{tenantId}/{topic}

Tenant-scoped topic hierarchy for arbitrary application messages. Topics are isolated per tenant and persisted; subscribers receive missed messages on reconnect when using MQTT 5.0 session expiry.

Open source AsyncAPI → All cumulocity channels cumulocity provider profile
Provider: cumulocity AsyncAPI: v2.6.0 Spec: Cumulocity MQTT Service Operations: 2 Messages: 1

Channel address

{tenantId}/{topic}

Parameters

Operations

publish
publishGeneric
Publish to a tenant-scoped MQTT topic.
subscribeGeneric
Subscribe to a tenant-scoped MQTT topic.

Messages

genericMessage
Arbitrary application payload published on a tenant-scoped topic.
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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