AsyncAPI channel · Signal · Signal Server Real-Time Events

/push/fcm

Firebase Cloud Messaging channel for delivering push notifications to Android devices when they are not connected via WebSocket. Notifications alert the device to connect and retrieve pending messages.

Open source AsyncAPI → All Signal channels Signal provider profile
Provider: Signal AsyncAPI: v2.6.0 Spec: Signal Server Real-Time Events Operations: 1 Messages: 1

Channel address

/push/fcm

Operations

publish
sendFcmPush
Send push notification to Android device

Messages

PushNotification
A push notification sent to an offline device to alert it of pending messages.
Content-Type: application/json

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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