AsyncAPI channel · Counter · Counter Stats Stream

/dump

Server-Sent Events stream of one account's aggregated statistics. Authenticated by the `swa` session cookie, by a `user` + `token` query pair (read-only, sessionless), or opened anonymously against the public demo account with any non-empty `demo` parameter. Emits at most one dump per second — the handler throttles on `time.Since(lastDump) > 1s`.

Open source AsyncAPI → All Counter channels Counter provider profile
Provider: Counter AsyncAPI: v3.0.0 Spec: Counter Stats Stream Operations: 1 Messages: 4

Channel address

/dump

Operations

receive
receiveStats
Open GET /dump and read typed SSE frames. The server sends `oldest-archive-date`, then `archive`, then an initial `dump`, then a further `dump` each time the account's Redis signal fires and at least

Messages

oldest-archive-date
First frame. The earliest date for which archived data exists for this account, so the UI can bound its date picker.
Content-Type: text/event-stream
archive
Second frame. Two precomputed archive windows relative to the caller's UTC offset, keyed by their day offsets.
Content-Type: text/event-stream
dump
The recurring frame. A full snapshot of the account's current aggregates, re-sent whenever new visits arrive (throttled to one per second).
Content-Type: text/event-stream
nouser
Terminal frame. Sent when there is no session, no valid token pair and no demo flag. The server then closes the stream. Note this is a 200 response carrying an in-band failure, NOT a 403 — a consumer
Content-Type: text/event-stream

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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