aid: one-inch
url: https://raw.githubusercontent.com/api-evangelist/one-inch/refs/heads/main/apis.yml
name: 1inch
x-type: company
image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
tags:
  - Web3
  - DeFi
  - DEX
  - Aggregator
  - Swap
  - Multi-chain
  - Limit Orders
  - Fusion
  - Cross-chain
created: '2026-05-08'
modified: '2026-05-08'
specificationVersion: '0.19'
description: >-
  1inch is the leading DEX aggregator. The 1inch Developer Portal exposes 13+ APIs covering
  Swap (classic, Fusion intent, cross-chain), Orderbook, Balance, Spot Price, Token, Token
  Details, Portfolio, Gas Price, NFT, Traces, History, Transaction Gateway, Web3 RPC, Charts,
  and Domains. APIs serve 12+ EVM chains. Authentication via Authorization Bearer header.
apis:
  - aid: one-inch:swap-api
    name: 1inch Swap API
    tags:
      - Swap
      - Aggregator
      - Fusion
      - Cross-chain
    image: https://kinlane-productions2.s3.amazonaws.com/apis-json/apis-json-logo.jpg
    baseURL: https://api.1inch.dev/swap/v6.0
    humanURL: https://business.1inch.com/portal/documentation/swap-api
    description: Quote and swap endpoints supporting classic aggregation, Fusion intent-based swaps, and cross-chain (Fusion+).
    properties:
      - type: Documentation
        url: https://business.1inch.com/portal/documentation/swap-api
    x-features:
      - Classic aggregation across 600+ liquidity sources
      - Fusion intent-based swaps (gas-free)
      - Cross-chain Fusion+
    x-use-cases:
      - DeFi wallet swap UI
      - Bot-driven aggregator routes
  - aid: one-inch:orderbook-api
    name: 1inch Orderbook API
    tags:
      - Limit Orders
      - Orderbook
    image: https://kinlane-productions2.s3.amazonaws.com/apis-json/apis-json-logo.jpg
    baseURL: https://api.1inch.dev/orderbook/v4.0
    humanURL: https://business.1inch.com/portal/documentation/orderbook-api
    description: Limit-order placement, query, fill, and cancellation endpoints.
    properties:
      - type: Documentation
        url: https://business.1inch.com/portal/documentation/orderbook-api
    x-features:
      - Place / query / cancel limit orders
      - On-chain settlement
    x-use-cases:
      - Limit-order DEX UI
      - Algorithmic bots
  - aid: one-inch:balance-api
    name: 1inch Balance API
    tags:
      - Balances
      - Wallet
    image: https://kinlane-productions2.s3.amazonaws.com/apis-json/apis-json-logo.jpg
    baseURL: https://api.1inch.dev/balance/v1.2
    humanURL: https://business.1inch.com/portal/documentation/balance-api
    description: Wallet balance lookup across supported EVM chains.
    properties:
      - type: Documentation
        url: https://business.1inch.com/portal/documentation/balance-api
    x-features:
      - Multi-chain balance queries
      - Token allowances
    x-use-cases:
      - Wallet UIs
      - Pre-swap allowance checks
  - aid: one-inch:spot-price-api
    name: 1inch Spot Price API
    tags:
      - Prices
      - Spot
    image: https://kinlane-productions2.s3.amazonaws.com/apis-json/apis-json-logo.jpg
    baseURL: https://api.1inch.dev/price/v1.1
    humanURL: https://business.1inch.com/portal/documentation/spot-price-api
    description: On-chain spot price feeds for tokens across supported EVM chains.
    properties:
      - type: Documentation
        url: https://business.1inch.com/portal/documentation/spot-price-api
    x-features:
      - On-chain TWAP-aware prices
      - Multi-chain
    x-use-cases:
      - Pricing widgets
      - Risk monitoring
  - aid: one-inch:token-api
    name: 1inch Token API
    tags:
      - Tokens
      - Metadata
    image: https://kinlane-productions2.s3.amazonaws.com/apis-json/apis-json-logo.jpg
    baseURL: https://api.1inch.dev/token/v1.2
    humanURL: https://business.1inch.com/portal/documentation/token-api
    description: Token metadata and discovery endpoints.
    properties:
      - type: Documentation
        url: https://business.1inch.com/portal/documentation/token-api
    x-features:
      - Symbol / decimals / logo metadata
      - Search
    x-use-cases:
      - Token pickers
      - Wallet token resolvers
  - aid: one-inch:portfolio-api
    name: 1inch Portfolio API
    tags:
      - Portfolio
      - Wallet
    image: https://kinlane-productions2.s3.amazonaws.com/apis-json/apis-json-logo.jpg
    baseURL: https://api.1inch.dev/portfolio/portfolio/v4
    humanURL: https://business.1inch.com/portal/documentation/portfolio-api
    description: Portfolio composition, P&L, and historical valuation across supported networks.
    properties:
      - type: Documentation
        url: https://business.1inch.com/portal/documentation/portfolio-api
    x-features:
      - Cross-chain portfolio
      - P&L and historical NAV
    x-use-cases:
      - Portfolio dashboards
      - Tax reporting
  - aid: one-inch:gas-price-api
    name: 1inch Gas Price API
    tags:
      - Gas
      - Estimation
    image: https://kinlane-productions2.s3.amazonaws.com/apis-json/apis-json-logo.jpg
    baseURL: https://api.1inch.dev/gas-price/v1.5
    humanURL: https://business.1inch.com/portal/documentation/gas-price-api
    description: Gas price estimates for EIP-1559 across supported EVM chains.
    properties:
      - type: Documentation
        url: https://business.1inch.com/portal/documentation/gas-price-api
    x-features:
      - EIP-1559 fee data
      - Multi-chain
    x-use-cases:
      - Wallet gas-fee preview
common:
  - type: Portal
    url: https://business.1inch.com/
  - type: Documentation
    url: https://business.1inch.com/portal/documentation/overview
  - type: Pricing
    url: https://business.1inch.com/pricing
  - type: GitHub
    url: https://github.com/1inch
  - type: Plans
    url: plans/one-inch-plans-pricing.yml
  - type: RateLimits
    url: rate-limits/one-inch-rate-limits.yml
  - type: FinOps
    url: finops/one-inch-finops.yml
maintainers:
  - FN: Kin Lane
    email: kin@apievangelist.com