femtos

HyperCore · Named wallets

KOL stream

Every fill, liquidation, EVM swap, transfer and bridge leg of a named wallet, live.

WebSocket channel kol.activity on wss://api.femtos.xyz/v1/ws

Parameters

ParamInExample or values
min_notionalfilter1000

Subscribe

{"op":"subscribe","channel":"kol.activity","filter":{"min_notional":"1000"}}

Key: Authorization: Bearer $FEMTOS_KEY or X-API-KEY. Get a free key, or with no browser through agent onboarding.

Response fields

FieldTypeMeaning
snapshot: trueKolItem[]last 50 moves seen
dataKolItem{layer, kind: trade | liquidation | swap | transfer | bridge, wallet, entity, coin, side, notional}

Related: Named wallets

  • KOL leaderboard GET /v1/kols/leaderboard
    KOLs, traders and funds ranked by their HyperCore PnL, volume and open positions.
  • KOL trades GET /v1/kols/activity
    The latest fills of the named wallets, newest first, with who traded.
  • Named wallets GET /v1/entities
    Every named entity, its X account, kinds, sources and wallets.
  • One entity GET /v1/entities/{id}
    One named entity: its wallets on the three layers and 30 days of HyperCore trading.

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