# Femtos | HyperCore account | API reference

> One address's HyperCore account: perp value and margin, positions, spot balances. GET /v1/hypercore/wallet/{address} on HyperCore: parameters, response fields and a live call per layer.

- Base URL: `https://api.femtos.xyz/v1` (REST) · `wss://api.femtos.xyz/v1/ws` (WebSocket) · MCP: `https://api.femtos.xyz/mcp`
- Auth: `Authorization: Bearer $FEMTOS_KEY`. Free key: https://dashboard.femtos.xyz/signup (browser), or with
  no browser: `GET https://femtos.xyz/accounts/agent/challenge`, solve its proof of work, then `POST https://femtos.xyz/accounts/agent/signup`
  (https://femtos.xyz/agents.md#agent-onboarding)
- Decimals are exact strings, times Unix milliseconds, addresses lowercase `0x`
- Whole API in one file: https://femtos.xyz/agents.md · OpenAPI: https://api.femtos.xyz/v1/openapi.json · Index: https://femtos.xyz/llms.txt
- Page with live calls: https://femtos.xyz/reference/hypercore-account

## HyperCore account — GET `/v1/hypercore/wallet/{address}`

One address's HyperCore account: perp value and margin, positions, spot balances.

Layers: HyperCore. Not on Elysium or HyperEVM: orders, fills and funding payments are HyperCore's: on the EVM layers an address swaps and holds tokens, see its trades, ERC-20 transfers and balances.
Page with live calls: https://femtos.xyz/reference/hypercore-account?layer=hypercore

| Param | In | Example or values | Meaning |
|---|---|---|---|
| `address` | path | `0xecc6be237833ebea8b2e57258c8c97ddd5afd692` | 0x address, or a named wallet's handle <entityId>.<hex> |

```bash
curl -H "Authorization: Bearer $FEMTOS_KEY" "https://api.femtos.xyz/v1/hypercore/wallet/0xecc6be237833ebea8b2e57258c8c97ddd5afd692"
```

| Field | Type | Meaning |
|---|---|---|
| `perp` | object | {accountValue, totalNtlPos, totalMarginUsed, withdrawable, crossMaintenanceMarginUsed, crossMarginSummary:{accountValue, totalNtlPos, totalMarginUsed}, abstraction?, inSpot?, positions:[{dex: null, coin, szi, side, entryPx, positionValue, unrealizedPnl, returnOnEquity, leverage:{type, value}, liquidationPx, marginUsed, maxLeverage, cumFunding:{allTime, sinceOpen, sinceChange}}]}: the main perp account. crossMarginSummary: the same sums over the cross-margin positions only. maxLeverage: the market's largest leverage. cumFunding: the funding of the position in USDC, Hyperliquid's sign (positive = paid by the account, negative = received): all time on the coin, since the position opened, since its size last changed. abstraction: the account's abstraction mode (unifiedAccount, portfolioMargin, dexAbstraction, default, disabled); inSpot: true for unifiedAccount and portfolioMargin, whose perp collateral is held in the spot balances (do not add accountValue to the spot total); both are absent when the node did not answer the mode |
| `dexes` | object[] |  |
| `spot` | object | {balances:[{coin, token, total, hold, entryNtl, priceUsd, usd}], totalUsd, totalUsdComplete}: the spot balances |
| `freshness` | object | {source: info-server, asOf, latencyMs, stateTime?, state, head, headTime, lagMs}: asOf the time our node was read, stateTime the state's time when the node says |
| `entity` | object | Named wallet (labels), when known |

## Related (Bridges & wallets)

- [Cross-layer wallet](https://femtos.xyz/reference/wallet.md) `GET /v1/wallet/{address}`: One address (or a named wallet's handle) on HyperCore, HyperEVM and Elysium, plus its latest events. (Elysium, HyperCore, HyperEVM)
- [Wallet stream](https://femtos.xyz/reference/ws/wallet.md) `WS wallet`: Every event of the three layers touching one address. (Elysium, HyperCore, HyperEVM)
- [Wallet list stream](https://femtos.xyz/reference/ws/wallets.md) `WS wallets`: Every event of the three layers touching any of up to 100 addresses, in one subscription, each event tagged with its address. (Elysium, HyperCore, HyperEVM)
- [Wallet open orders](https://femtos.xyz/reference/wallet-orders.md) `GET /v1/hypercore/wallet/{address}/orders`: One wallet's open orders: resting limit orders and trigger orders, on the main dex and every HIP-3 dex. (HyperCore)
- [Wallet order history](https://femtos.xyz/reference/wallet-order-history.md) `GET /v1/hypercore/wallet/{address}/orders/history`: One wallet's orders that left the book, newest first: how (filled, canceled, rejected) and why, the size filled and its average price. (HyperCore)
- [Wallet fills](https://femtos.xyz/reference/wallet-fills.md) `GET /v1/hypercore/wallet/{address}/fills`: One wallet's HyperCore fills, newest first, with closed PnL, fees and the position before each. (HyperCore)
- [Wallet fills per bar](https://femtos.xyz/reference/wallet-fill-bars.md) `GET /v1/hypercore/wallet/{address}/fills/bars`: One wallet's fills on one market summed per bar: buys and sells with their average price, and the position after each bar. (HyperCore)
- [Wallet funding](https://femtos.xyz/reference/wallet-funding.md) `GET /v1/hypercore/wallet/{address}/funding`: One wallet's funding payments, newest first: paid or received per perp and hour, with the position and the rate. (HyperCore)
- [Swaps by wallet](https://femtos.xyz/reference/wallet-trades.md) `GET /v1/trades`: Every swap a wallet sent (or a pool’s, a token’s), newest first, filterable by token, side, size and time. (Elysium, HyperEVM)
- [Transfers by wallet](https://femtos.xyz/reference/wallet-transfers.md) `GET /v1/transfers`: ERC-20 transfers sent and received by a wallet, newest first, filterable by token, direction, size and time. (Elysium, HyperEVM)
- [Wallet PnL](https://femtos.xyz/reference/wallet-pnl.md) `GET /v1/wallet/{address}/pnl`: Any wallet on HyperEVM: per token balance, cost basis, realized and unrealized PnL, with 1d / 7d / 30d / all totals and win rate. (Elysium, HyperEVM)
- [Portfolio value history](https://femtos.xyz/reference/wallet-value.md) `GET /v1/wallet/{address}/value`: Any address on HyperEVM: its total USD value per 5 min (1d), hour (7d) or day (30d, all). (Elysium, HyperEVM)
- [Wallet PnL curve](https://femtos.xyz/reference/hypercore-wallet-pnl.md) `GET /v1/hypercore/wallet/{address}/pnl`: One HyperCore wallet's PnL per hour or day: realized, fees, funding, net and cumulative, and its account value. (HyperCore)
- [Wallet PnL stream](https://femtos.xyz/reference/ws/pnl.md) `WS pnl`: A wallet's positions and PnL on HyperEVM (GET /v1/wallet/{address}/pnl), pushed on subscribe, then the positions each block changes. (Elysium, HyperEVM)
- [Was I sandwiched?](https://femtos.xyz/reference/wallet-mev.md) `GET /v1/wallet/{address}/mev`: Every sandwich of a wallet’s swaps on Elysium: the bot, its two transactions, what the wallet lost. Free, no key. (Elysium)
- [Ledger stream](https://femtos.xyz/reference/ws/ledger.md) `WS hc.ledger`: Deposits, withdrawals, transfers and other non-trade balance moves. (HyperCore)
- [Bridge movements](https://femtos.xyz/reference/bridge.md) `GET /v1/bridges`: Matched HyperCore ↔ HyperEVM transfers with 24 h stats. (Elysium, HyperCore, HyperEVM)
- [Bridge stream](https://femtos.xyz/reference/ws/bridge.md) `WS elysium.bridge | bridge.transfers`: Each HyperCore ↔ HyperEVM transfer, initiated then completed. (Elysium, HyperCore, HyperEVM)
- [Bridge movements stream](https://femtos.xyz/reference/ws/bridges.md) `WS bridges.recent`: The GET /v1/bridges answer (movements newest first, 24 h stats), pushed on subscribe, then when a movement of the route changes state. (Elysium, HyperCore, HyperEVM)
- [Bridge coverage](https://femtos.xyz/reference/bridge-coverage.md) `GET /v1/bridges/coverage`: Every HyperCore ↔ HyperEVM leg since our data starts, paired with its other leg: matched share per direction and token, why the others are not, latency. (HyperCore, HyperEVM)

Every page: https://femtos.xyz/reference.md