# POST /info · HyperCore API · Femtos

> Hyperliquid’s /info request bodies, answered from our node.

- 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` (or `X-API-KEY: $FEMTOS_KEY`). Free key: https://femtos.xyz/accounts/ (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/hypercore/info

## POST /info — POST `/info`

Hyperliquid’s /info request bodies, answered from our node.

Same request bodies as `https://api.hyperliquid.xyz/info`, on `https://api.femtos.xyz/info` with `Authorization: Bearer $FEMTOS_KEY`.

| Field | Type | Meaning |
|---|---|---|
| `allMids · l2Book · metaAndAssetCtxs` | type | market state |
| `candleSnapshot · fundingHistory` | type | history by coin and window |
| `userFills · userFillsByTime · historicalOrders` | type | one account |
| `body · answer` | JSON | same as api.hyperliquid.xyz/info |

## Related (Hyperliquid-compatible)

- [Hyperliquid WS](https://femtos.xyz/hypercore/hl-ws.md): Hyperliquid’s WebSocket subscriptions, served from our node.

All HyperCore endpoints: https://femtos.xyz/hypercore.md