AsyncAPI channel · Google Pub/Sub
· Google Cloud Pub/Sub
projects/{projectId}/topics/{topicId}
A named resource to which messages are sent by publishers and from which messages are delivered to subscribers.
Channel address
projects/{projectId}/topics/{topicId}
Parameters
projectId— The Google Cloud project ID.topicId— The Pub/Sub topic ID.
Operations
publish
publishMessage
Publish a message to a topic
subscribe
receiveMessage
Receive a message from a topic via subscription
Messages
PubsubMessage
A message published to or received from a Pub/Sub topic.
Content-Type:
application/jsonAbout 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.
Browse every event-driven channel on the APIs.io network or compare with the broader Agent Skill and MCP server surfaces of the same providers.
Work with this as data
Every channel here is available over the APIs.io API and to AI agents over MCP.