TECHNICAL REFERENCE

HyperEVM RPC - technical reference

Technical reference for HyperEVM JSON-RPC and WebSocket interfaces, separate from HyperCore orderbook feeds. The active Supanode Hyperliquid catalog contains WebSocket Streaming and Historical Indexer.

View active Hyperliquid products
01.TECHNICAL CONTEXT// requirements and interfaces
  • Ethereum JSON-RPC clients: ethers, viem, web3.py, Foundry and Hardhat
  • HTTP requests and WebSocket subscriptions are interface options
  • Archive state and tracing are requirements to specify
  • HyperCore orderbook data uses a separate interface
Scope
Technical reference; not an active catalog product
Layer
HyperEVM, the EVM execution layer of Hyperliquid
Interfaces
Ethereum JSON-RPC over HTTP and WebSocket
Requirements to discuss
methods, archive depth, tracing, region and expected load
02.QUESTIONS// technical context
How do HyperEVM and HyperCore differ?

HyperCore contains exchange orderbooks, fills and liquidations. HyperEVM is the smart-contract layer and uses Ethereum-compatible JSON-RPC. RPC methods do not replace the HyperCore market-data interfaces.

Which Hyperliquid products are in the active catalog?

WebSocket Streaming and Historical Indexer. This URL retains technical context about HyperEVM interfaces. Discuss individual infrastructure requirements with Supanode; availability and terms require separate confirmation.

Discuss requirements

Describe the interface, data history, region and expected load. Any individual infrastructure arrangement and its terms require separate confirmation.