Polled stream of lead activity events sourced from
`GET /rest/v1/activities.json`. Consumers obtain an initial
`nextPageToken` from `GET /rest/v1/activities/pagingtoken.json` using
a `sinceDatetime`, then page forward using the returned token until
`moreResult` is `false`. `activityTypeIds` (up to 10) selects which
activity types are returned; `listId` and `leadIds` (up to 30)
further narrow the s
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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