Documentation

Query Hyperliquid data on HyperCore, HyperEVM and Elysium over REST, WebSocket and MCP.

Get started

• Quickstart: Get a key and make your first call in under a minute.
• Plans and limits: Free monthly credits, what a call costs, pay as you go or a plan, and the rate limits.
• API reference: Every REST call and WebSocket channel with its parameters and fields.
• Changelog: What changed in the API, newest first.

Layers

• HyperCore: Order book, perps, spot, HIP-3 markets, liquidations, positions and stops on the Hyperliquid exchange.
• HyperEVM: DEX pools, swaps, tokens, holders, NFTs, LiquidLaunch launches and wallet history on the Hyperliquid EVM chain.
• Elysium: Ascend launches, PancakeSwap Infinity pools, holders and new tokens on the Kinetiq L2.
• Launch story: Follow one token launch event by event: dev wallet, early buyers, swaps, holders.

Real time

• WebSocket streams: Subscribe to trades, books, liquidations and launches as they happen.
• Webhooks: Get bridges, wallet activity, liquidations and launches sent to your HTTPS URL, signed and retried.
• Hyperliquid-compatible: Point an existing Hyperliquid client at Femtos and keep your code.

Agents

• MCP for agents: Let Claude, Cursor and other agents query the data with no code.
• agents.md: The whole API in one Markdown file for coding agents.
• OpenAPI: The OpenAPI document of the REST API, to generate a client.

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