API reference, Named wallets

Named positioning stream

The GET /v1/kols/positioning answer (named wallets long vs short per perp, entry, PnL, liquidation risk, 1 h / 24 h flows), pushed on subscribe, then on each roll of the live positions (every 5 s) when it changes.

  • Elysium: not served
  • HyperCore
  • HyperEVM: not served
  • Not on Elysium or HyperEVM: positions are HyperCore perps: the KOL stream carries the EVM moves of the named wallets

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

Parameters

ParamInExample or valuesMeaning
kindfilter(optional)named (default), cluster (smart-money clusters) or all
coinfilter(optional)One perp market only
limitfilter20Markets, largest gross notional first, default 50 (1..500)
topfilter(optional)Largest entities listed per side (0..20), default 5

Subscribe

{"op":"subscribe","channel":"kol.positioning","filter":{"limit":"20"}}

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

Response fields

FieldTypeMeaning
snapshot: trueobjectthe full GET /v1/kols/positioning answer: the first frame, and any frame sent whole
patch: trueJsonPatchwith "patch": true on subscribe: the operations, in order, that turn the previous answer into this one

Related: Named wallets

  • Named wallets GET /v1/entities Elysium, HyperCore, HyperEVM
    Every named entity, its X account, kinds, sources and wallets.
  • One entity GET /v1/entities/{id} Elysium, HyperCore, HyperEVM
    One named entity: its wallets on the three layers and 30 days of HyperCore trading.
  • Entity proofs GET /v1/entities/{id}/graph Elysium, HyperCore, HyperEVM
    How each wallet of an entity was found: the path of links back to a public source and their proofs.
  • Entity PnL curve GET /v1/entities/{id}/pnl HyperCore
    One named entity's HyperCore PnL per hour or day: realized, fees, funding, net and cumulative.
  • KOL leaderboard GET /v1/kols/leaderboard Elysium, HyperCore, HyperEVM
    KOLs, traders and funds ranked by their HyperCore PnL, volume and open positions.
  • Named positioning GET /v1/kols/positioning HyperCore
    How KOLs, traders and funds are positioned on each perp: long vs short, entry, PnL, liquidation risk and 1 h / 24 h flows.
  • KOL moves GET /v1/kols/activity Elysium, HyperCore, HyperEVM
    The latest fills of the named wallets, newest first, with who traded.
  • KOL stream WS kol.activity Elysium, HyperCore, HyperEVM
    Every fill, liquidation, EVM swap, transfer and bridge leg of a named wallet, live.

More

Agent guide (agents.md)llms.txtOpenAPIMCP serverGet an API keyChangelog