# Femtos (femtos.xyz)

Serves Hyperliquid, HyperEVM and Elysium market data over REST and websocket, with a Hyperliquid-compatible info endpoint.

- Atlas card: https://inite.ai/en/atlas/femtos.xyz
- Site: https://femtos.xyz
- For: Developers and AI agents building on Hyperliquid, HyperEVM and Elysium data
- Use 0/100 · alive 100/100

## Used for

- fetch Hyperliquid order books and perps positions
- pull HyperEVM token launches, pools and swaps
- track liquidations and per-account long and short positions

## Price

- from 49 USD/month, free plan (read 2026-10-28 on https://femtos.xyz/pricing)

## For developers

- API docs: https://femtos.xyz/reference
- MCP server: xyz.femtos/mcp (namespace; open on 2026-10-28, 63 tools)
- MCP server card: https://femtos.xyz/.well-known/mcp.json
- Read 2026-10-28

## MCP server, measured daily

Server: https://api.femtos.xyz/mcp, checked every day since 2026-10-28 (8 checks).

- Answered: 100% of daily checks
- Median first answer: 353 ms
- Sign-in: none
- Context its tool definitions take: about 26683 tokens (94 tools)
- Tool definitions: A, 100/100
- Warning "destructive_denied": cancel_plan, pay_with_wallet
- Warning "open_writes": create_webhook, update_webhook, delete_webhook, cancel_plan, pay_with_wallet
- Method: https://inite.ai/en/atlas/mcp/report

## Your data

- Certifications stated: gdpr
- Read 2026-10-28

---

Source: INITE Atlas, https://inite.ai/en/atlas/femtos.xyz. JSON: https://inite.ai/api/atlas/femtos.xyz. MCP: https://inite.ai/api/mcp (atlas_lookup).