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Before a push instance goes live, OneNET issues an HTTP GET to the registered address as ?msg=xxx&nonce=xxx&signature=xxx. The receiver verifies signature and must echo msg back verbatim, otherwise the instance stays in 验证失败 (validation failed) and no messages are delivered.
Channel address
Operations
Messages
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.
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.