Not served by the public endpoint today. A subscribe with this type is answered with {"type":"error","message":"Unsupported subscription: fills_spot"} on wss://api.hypedexer.com/ws (checked 19 September 2026). Use the REST equivalent below, or contact us if you need this stream.

REST equivalent: GET /fills/spot/ and GET /fills/spot/user/{user_address}.

Fills Spot

Spot fills stream uses the multiplex WebSocket endpoint:

wss://api.hypedexer.com/ws

All subscriptions go through /ws.
Authenticate using X-API-Key during the handshake.

Client message

{
  "method": "subscribe",
  "subscription": {
    "type": "fills_spot"
  }
}

2. Example server event

{
    "type": "fills_spot",
    "count": 1,
    "data": [
        {
            "user": "0x76a475f91ae582f4a774ba21540e612aed6aca07",
            "coin": "@107",
            "coin_meaning": "HYPE",
            "px": 33.67,
            "sz": 3.42,
            "side": "A",
            "time": "2025-11-21T17:40:12.049999",
            "tid": 11055306883242,
            "oid": 244171824122,
            "hash": "0x0000000000000000000000000000000000000000000000000000000000000000",
            "fee": 0.08060598,
            "fee_token": "USDC",
            "fee_usdc": 0.08060598,
            "type_trade": "spot",
            "time_dt": "2025-11-21T17:40:12"
        }
    ]
}

3. Unsubscribe

{
  "method": "unsubscribe",
  "subscription": {
    "type": "fills_spot"
  }
}