name: Euler Finance
description: Euler is a permissionless modular lending protocol that enables users
  to lend, borrow, and build custom lending markets without limits. The platform provides
  REST APIs for querying vaults, account positions, interest rates, liquidation thresholds,
  token prices, APYs, reward campaigns, and lending market analytics across multiple
  EVM-compatible networks.
image: https://kinlane-productions2.s3.amazonaws.com/apis-json/apis-json-logo.jpg
url: https://raw.githubusercontent.com/api-evangelist/euler/refs/heads/main/apis.yml
created: '2026-06-14'
modified: '2026-06-14'
specificationVersion: '0.19'
tags:
- DeFi
- Lending
- Borrowing
- Finance
- Ethereum
- Blockchain
- Vaults
- Liquidation
- Interest Rates
- Permissionless
apis:
- name: Euler V3 Data API
  description: The primary REST API for querying indexed Euler protocol data including
    vaults, account positions, token prices, APYs, reward campaigns, liquidation events,
    oracle routing, and chain-level analytics. Supports unauthenticated and API-key-authenticated
    access with higher rate limits.
  image: https://kinlane-productions2.s3.amazonaws.com/apis-json/apis-json-logo.jpg
  humanURL: https://docs.euler.finance/developers/data-querying/euler-v3-api
  baseURL: https://v3.euler.finance/v3
  tags:
  - Vaults
  - Lending
  - Positions
  - Liquidation
  - Interest Rates
  - Analytics
  - DeFi
  properties:
  - type: Documentation
    url: https://docs.euler.finance/developers/data-querying/euler-v3-api
  - type: OpenAPI
    url: https://v3.euler.finance/v3/openapi.json
  - type: SwaggerUI
    url: https://v3.euler.finance/v3/docs
  - type: PricingPage
    url: https://docs.euler.finance/developers/data-querying/euler-v3-api
  - type: RateLimits
    url: https://raw.githubusercontent.com/api-evangelist/euler/refs/heads/main/rate-limits/euler-v3-api.yml
  - url: graphql/euler-graphql.md
    type: GraphQL
  contact:
  - FN: Euler Finance Developer Support
    email: leonard@euler.xyz
- name: Euler Off-Chain Prices API
  description: An unofficial REST endpoint for fetching USD-denominated asset prices
    for ERC-20 tokens across supported networks. Accepts chainId and comma-separated
    asset addresses. Returns prices with 18-decimal precision. Users should validate
    returned prices and maintain fallback sources.
  image: https://kinlane-productions2.s3.amazonaws.com/apis-json/apis-json-logo.jpg
  humanURL: https://docs.euler.finance/developers/data-querying/off-chain-prices
  baseURL: https://app.euler.finance/api/v1
  tags:
  - Prices
  - Tokens
  - DeFi
  - Analytics
  properties:
  - type: Documentation
    url: https://docs.euler.finance/developers/data-querying/off-chain-prices
  contact:
  - FN: Euler Finance
    url: https://euler.finance
- name: Euler Subgraphs (GraphQL)
  description: GraphQL-based subgraph endpoints hosted on Goldsky for querying indexed
    Euler V2 protocol data including vault states, account positions, borrow/supply
    history, interest rates, collateral relationships, EulerEarn strategies, and swap
    pools across Mainnet, Base, Arbitrum, Optimism, Berachain, Avalanche, BSC, Sonic,
    and additional networks.
  image: https://kinlane-productions2.s3.amazonaws.com/apis-json/apis-json-logo.jpg
  humanURL: https://docs.euler.finance/developers/data-querying/subgraphs
  baseURL: https://api.goldsky.com/api/public/project_cm4iagnemt1wp01xn4gh1agft/subgraphs
  tags:
  - GraphQL
  - Subgraph
  - Vaults
  - Positions
  - History
  - Analytics
  - DeFi
  properties:
  - type: Documentation
    url: https://docs.euler.finance/developers/data-querying/subgraphs
  - type: GitHubRepository
    url: https://github.com/euler-xyz/euler-subgraph
  - url: graphql/euler-schema.graphql
    type: GraphQLSchema
  contact:
  - FN: Euler Finance
    url: https://euler.finance
- name: Euler V2 TypeScript SDK
  description: The recommended TypeScript entry point for applications, bots, scripts,
    and operational tooling built on Euler V2. Provides protocol data fetching, EVC
    batch composition, transaction simulation, approval resolution via standard approve
    and Permit2, swap operations, pricing, rewards, oracle adapter metadata, and FeeFlow
    management.
  image: https://kinlane-productions2.s3.amazonaws.com/apis-json/apis-json-logo.jpg
  humanURL: https://docs.euler.finance/developers/sdk
  baseURL: https://docs.euler.finance
  tags:
  - SDK
  - TypeScript
  - DeFi
  - Vaults
  - EVC
  properties:
  - type: Documentation
    url: https://docs.euler.finance/developers/sdk
  - type: GitHubRepository
    url: https://github.com/euler-xyz/euler-sdks
  - type: NPMPackage
    url: https://www.npmjs.com/package/@eulerxyz/euler-v2-sdk
  contact:
  - FN: Euler Finance GitHub
    url: https://github.com/euler-xyz
common:
- type: Documentation
  url: https://docs.euler.finance/
- type: PrivacyPolicy
  url: https://www.euler.finance/privacy-policy
- type: TermsOfService
  url: https://www.euler.finance/terms-of-service
- type: StatusPage
  url: https://status.euler.finance
- type: GitHubOrganization
  url: https://github.com/euler-xyz/
- type: Discord
  url: https://discord.com/invite/CdG97VSYGk
- type: X
  url: https://x.com/eulerfinance
- type: Blog
  url: https://www.euler.finance/blog
- type: Governance
  url: https://gov.euler.finance
- type: BugBounty
  url: https://docs.euler.finance/security/bug-bounty
- type: LLMsTxt
  url: https://docs.euler.finance/llms.txt
- type: LLMsFullTxt
  url: https://docs.euler.finance/llms-full.txt
maintainers:
- FN: API Evangelist
  url: https://apievangelist.com
  email: info@apievangelist.com