Activity Feed

Live event activity stream with subscribe and unsubscribe

Use this stream for live trades and position-related activity by event outcome.

Endpoint

wss://history-service.outpoll.com/history/ws

Authentication

No authentication required.

Message envelope

{
  "t": "<TYPE>",
  "e": "<EVENT_ID>",
  "o": "<OUTCOME_ID>",
  "d": { ... },
  "r": "<ERROR_MESSAGE>"
}

Field	Type	Description
t	string	Message type
e	string	Event ID
o	string	Outcome ID
d	object	Event payload
r	string	Error message

Subscribe

{
  "t": "SUBSCRIBE",
  "e": "54ccea1a-16fd-469c-8018-84b375243e8a",
  "o": "b21f6fd8-b9d1-4b9f-bb79-ef141e3dcb76"
}

Unsubscribe

{
  "t": "UNSUBSCRIBE",
  "e": "54ccea1a-16fd-469c-8018-84b375243e8a",
  "o": "b21f6fd8-b9d1-4b9f-bb79-ef141e3dcb76"
}

Common errors

{
  "t": "error",
  "e": "event-id",
  "o": ["outcome-id"],
  "d": {
    "error": "Error description"
  }
}

Error	Cause
No outcome IDs provided	Subscribe without outcome IDs
Unknown message type	Unsupported t value

Python example

activity_feed.py

import asyncio, json, websockets

async def activity_feed():
    uri = "wss://history-service.outpoll.com/history/ws"
    async with websockets.connect(uri) as ws:
        await ws.send(json.dumps({
            "t": "SUBSCRIBE",
            "e": "54ccea1a-16fd-469c-8018-84b375243e8a",
            "o": "b21f6fd8-b9d1-4b9f-bb79-ef141e3dcb76",
        }))

        async for msg in ws:
            print(json.loads(msg))