/webhook
The webhook endpoint hosted by the subscribing application. Microsoft Graph sends HTTP POST requests to this URL when changes occur in subscribed resources. The endpoint must support HTTPS, respond to validation requests during subscription creation, and return HTTP 202 Accepted for notification deliveries.
Channel address
Operations
Messages
application/jsonapplication/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 Naftiko capability, Agent Skill, and MCP server surfaces of the same providers.