Opyn

aid: opyn
url: https://raw.githubusercontent.com/api-evangelist/opyn/refs/heads/main/apis.yml
name: Opyn
kind: company
description: >-
  Opyn is a DeFi options protocol on Ethereum mainnet best known for Squeeth
  (squared ETH), a Power Perpetual that gives traders continuous exposure to
  ETH² without liquidation risk on long positions. The protocol encompasses the
  Gamma Protocol (v2 options with cash-settled European options), the Crab
  Strategy (automated ETH²/ETH delta-neutral vault), Bull Strategy, and Opyn
  Markets (concentrated-liquidity perps). Developers integrate via The Graph
  GraphQL subgraph for querying squeeth positions, vault data, funding rates,
  and on-chain event history, combined with direct Ethereum smart-contract
  interaction through the Controller, Oracle, WPowerPerp, and Strategy
  contracts. No centralised REST API key is required; data access is permissionless
  through the subgraph and blockchain.
image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
tags:
  - DeFi
  - Options
  - Ethereum
  - Squeeth
  - Power Perpetual
  - Derivatives
  - Cryptocurrency
  - Web3
  - Smart Contracts
  - Subgraph
  - Crab Strategy
  - Vault
created: '2026-06-14'
modified: '2026-06-14'
specificationVersion: '0.19'
x-category: Cryptocurrency
x-tier: 2
x-type: company
apis:
  - aid: opyn:squeeth-subgraph-api
    name: Opyn Squeeth Subgraph API
    description: >-
      GraphQL API powered by The Graph that indexes all on-chain Squeeth events
      on Ethereum mainnet. Enables developers to query oSQTH positions, short
      vaults, vault collateral and debt, funding (mark/index) history, Crab
      strategy deposits and withdrawals, and liquidation events without running
      an archive node. The subgraph ID on The Graph network is
      Ao1QSKEQzsnNyyGKR1Faurjmkr6oNVTbgdxy6diAw9r.
    humanURL: https://thegraph.com/explorer/subgraphs/Ao1QSKEQzsnNyyGKR1Faurjmkr6oNVTbgdxy6diAw9r?view=Overview&chain=mainnet
    baseURL: https://gateway.thegraph.com/api
    tags:
      - Squeeth
      - Subgraph
      - GraphQL
      - Positions
      - Vaults
      - Funding Rate
      - Crab Strategy
      - Liquidations
    properties:
      - type: Documentation
        url: https://opyn.gitbook.io/squeeth
      - type: GraphQL
        url: https://thegraph.com/explorer/subgraphs/Ao1QSKEQzsnNyyGKR1Faurjmkr6oNVTbgdxy6diAw9r?view=Playground&chain=mainnet
      - type: GitHubRepository
        url: https://github.com/opynfinance/squeeth-monorepo
      - type: CodeExamples
        title: Squeeth Monorepo (Frontend + Contracts)
        url: https://github.com/opynfinance/squeeth-monorepo

  - aid: opyn:gamma-subgraph-api
    name: Opyn Gamma Subgraph API
    description: >-
      GraphQL API via The Graph that indexes the Gamma Protocol (Opyn v2)
      on Ethereum mainnet. Covers oToken creation, option series, vault
      collateral, minting and burning events, settlement, and operator
      authorisations for European cash-settled options. Useful for querying
      options series data, vault collateral ratios, and historical settlement
      prices.
    humanURL: https://github.com/opynfinance/Gamma-Subgraph
    baseURL: https://api.thegraph.com/subgraphs/name/opynfinance/gamma-mainnet
    tags:
      - Options
      - Gamma Protocol
      - Subgraph
      - GraphQL
      - oTokens
      - Vaults
      - Settlement
    properties:
      - type: Documentation
        url: https://github.com/opynfinance/v2-documentation
      - type: GraphQL
        url: https://api.thegraph.com/subgraphs/name/opynfinance/gamma-mainnet
      - type: GitHubRepository
        url: https://github.com/opynfinance/Gamma-Subgraph
      - type: GitHubRepository
        title: Opyn v2 Documentation
        url: https://github.com/opynfinance/v2-documentation

  - aid: opyn:squeeth-portal-api
    name: Squeeth Portal Auction API
    description: >-
      Web interface and data feed for the Crab Strategy weekly auction
      mechanism. The Squeeth Portal at squeethportal.xyz provides auction
      status, hedging queue, and rebalancing parameters used by Crab v2 and
      Jumbo Crab vaults. Developers can read auction state directly from the
      CrabStrategyV2 contract (0x3B960E47784150F5a63777201ee2B15253D713e8)
      on Ethereum mainnet.
    humanURL: https://www.squeethportal.xyz/auction
    baseURL: https://www.squeethportal.xyz
    tags:
      - Auction
      - Crab Strategy
      - Hedging
      - Rebalancing
      - Squeeth
    properties:
      - type: Documentation
        url: https://opyn.gitbook.io/squeeth/crab-strategy/introduction
      - type: Interface
        url: https://www.squeethportal.xyz/auction
      - type: GitHubRepository
        url: https://github.com/opynfinance/squeeth-monorepo

common:
  - type: Website
    url: https://www.opyn.co
  - type: Website
    title: Squeeth App
    url: https://squeeth.opyn.co
  - type: Documentation
    url: https://opyn.gitbook.io/squeeth
  - type: GitHubOrganization
    url: https://github.com/opynfinance
  - type: Twitter
    url: https://x.com/opyn_
  - type: Discord
    url: https://discord.gg/2NFdXaE
  - type: Medium
    url: https://medium.com/opyn
  - type: BugBounty
    url: https://immunefi.com/bounty/opyn/
  - type: Audits
    url: https://opyn.gitbook.io/squeeth/resources/audits-and-insurance
  - type: SmartContracts
    title: Controller (Mainnet)
    url: https://etherscan.io/address/0x64187ae08781B09368e6253F9E94951243A493D5
  - type: SmartContracts
    title: WPowerPerp / oSQTH (Mainnet)
    url: https://etherscan.io/address/0xf1B99e3E573A1a9C5E6B2Ce818b617F0E664E86B
  - type: SmartContracts
    title: CrabStrategyV2 (Mainnet)
    url: https://etherscan.io/address/0x3B960E47784150F5a63777201ee2B15253D713e8
  - type: GraphExplorer
    title: Opyn Squeeth Subgraph (The Graph)
    url: https://thegraph.com/explorer/subgraphs/Ao1QSKEQzsnNyyGKR1Faurjmkr6oNVTbgdxy6diAw9r
  - type: Plans
    url: plans/opyn-plans-pricing.yml
  - type: RateLimits
    url: rate-limits/opyn-rate-limits.yml
  - type: FinOps
    url: finops/opyn-finops.yml
integrations:
  - name: Ethereum
  - name: The Graph
  - name: Uniswap V3
  - name: Immunefi
  - name: Sherlock
maintainers:
  - FN: Kin Lane
    email: [email protected]