EigenLayer
EigenLayer is a restaking protocol on Ethereum operated by Layr Labs that lets stakers re-use staked ETH (or liquid-staking tokens) to secure additional off-chain services called Actively Validated Services (AVSs). The team has since unified the restaking layer with EigenDA (data availability), EigenCompute (verifiable off-chain compute), and EigenAI (deterministic inference) under the EigenCloud brand. Developer surface includes the EigenLayer core smart contracts, AVS framework, EigenSDK in Go and TypeScript, EigenCloud CLI, and language SDKs for EigenCompute / EigenDA / EigenAI.
EigenLayer publishes 7 APIs on the APIs.io network. Tagged areas include Restaking, AVS, Ethereum, Data Availability, and Verifiable Compute.
EigenLayer’s developer surface includes documentation, GitHub presence, and 4 more developer resources.
APIs
EigenLayer Core Contracts
Solidity smart contracts that implement the EigenLayer restaking protocol - StrategyManager, DelegationManager, EigenPodManager, AVSDirectory, and the slasher. Operators registe...
EigenSDK (Go)
Go SDK for building AVS operator software and AVS-side services on top of EigenLayer. Provides typed bindings for the core contracts, BLS aggregation primitives, chain clients, ...
EigenSDK (TypeScript)
TypeScript SDK for interacting with the EigenLayer restaking protocol and AVS contracts from Node.js and browser apps - typed contract clients, operator and staker flows, and AV...
EigenLayer CLI
Operator-facing command-line tool for keys, operator registration, delegation, AVS opt-in, and node-runner administration on EigenLayer.
EigenDA
EigenDA is the data-availability service secured by EigenLayer restakers. Provides client libraries and a disperser API for posting and retrieving blobs of data, used by rollups...
EigenCompute SDK & CLI
EigenCompute lets developers run arbitrary code in any language, with the execution secured by restakers and the result attested on-chain. Ships an SDK and CLI for packaging wor...
EigenAI
EigenAI exposes deterministic, verifiable LLM inference over an OpenAI-compatible API surface, with execution and provenance secured by EigenLayer restakers.