1inch website screenshot

1inch

1inch is a leading DeFi aggregator providing best-execution swaps across decentralized exchanges, an intent-based Fusion order flow, cross-chain Fusion+ swaps, limit orders, and rich market data. The 1inch Developer Portal (business.1inch.com/portal) exposes 13+ REST APIs covering Swap, Orderbook, Spot Price, Token, Token Details, Charts, Balance, Portfolio, Transaction Gateway, History, Traces, Gas Price, Web3 RPC, NFT, and Domains across 14+ EVM and non-EVM chains, distributed under a single API key.

24.7/100 ▬ flat Agent 7/100 API Evangelist API Evangelist Rating How this is scored
scored 2026-07-17 · rubric v0.4
▾ Hover or click a band for the full score breakdown
15 APIs 0 Features
DeFiDEX AggregatorSwapLimit OrdersFusionWeb3RPCMarket Data

APIs

1inch Swap API

Returns optimal swap routes and ready-to-sign transaction calldata across aggregated DEX liquidity. Supports Classic Swap, intent-based Fusion, and cross-chain Fusion+ flows.

1inch Orderbook API

Limit Order Protocol orderbook — create, query, fill, and cancel signed limit orders across supported EVM chains.

1inch Spot Price API

Real-time USD and reference spot prices for tokens across supported networks, sourced from on-chain liquidity.

1inch Token API

Token metadata, lists, search, and verification across all 1inch-supported networks.

1inch Token Details API

Enriched token details including market metrics, price history, and trading stats for individual tokens.

1inch Charts API

Historical OHLCV chart data for tokens and trading pairs across supported networks.

1inch Balance API

Token balance lookups and allowance checks for any wallet across supported chains, returning balances in a unified JSON schema.

1inch Portfolio API

Cross-chain portfolio aggregation — wallet positions, protocol exposures, profit and loss, fees, and value over time.

1inch Transaction Gateway API

Submission gateway that broadcasts signed transactions and tracks status across supported EVM chains.

1inch History API

Unified wallet transaction history across all supported chains, decoded into protocol-aware events (swaps, transfers, approvals, liquidity actions).

1inch Traces API

Detailed transaction trace data for debugging and analytics across supported EVM chains.

1inch Gas Price API

Current gas-price recommendations (low / medium / high / instant) for supported EVM chains, accounting for EIP-1559 base and priority fees.

1inch Web3 RPC API

Hosted JSON-RPC endpoints for 14+ EVM and non-EVM networks, exposed through the 1inch API key for unified rate limiting and access control.

1inch NFT API

Wallet NFT holdings, collection metadata, and floor prices across supported chains.

1inch Domains API

Reverse and forward resolution for Web3 naming systems (ENS, Unstoppable Domains, and other supported registries).

GraphQL

1inch GraphQL (The Graph Subgraphs)

1inch exposes on-chain DeFi data through multiple subgraphs deployed on The Graph protocol. These GraphQL APIs index Ethereum mainnet events from 1inch's Mooniswap AMM, Limit Or...

GRAPHQL

Pricing Plans

1Inch Plans Pricing

1 plans

PLANS

Rate Limits

1Inch Rate Limits

2 limits

RATE LIMITS

FinOps

1Inch Finops

FINOPS

Resources

🔗
TrustCenter
TrustCenter
🔗
DomainSecurity
DomainSecurity
🔗
Website
Website
🌐
Portal
Portal
🔗
Documentation
Documentation
👥
GitHub
GitHub
🔗
Twitter
Twitter
📰
Blog
Blog
🔗
LlmsText
LlmsText

Sources

apis.yml Raw ↑ 
aid: 1inch
url: https://raw.githubusercontent.com/api-evangelist/1inch/refs/heads/main/apis.yml
name: 1inch
kind: company
description: 1inch is a leading DeFi aggregator providing best-execution swaps across decentralized exchanges, an intent-based
  Fusion order flow, cross-chain Fusion+ swaps, limit orders, and rich market data. The 1inch Developer Portal (business.1inch.com/portal)
  exposes 13+ REST APIs covering Swap, Orderbook, Spot Price, Token, Token Details, Charts, Balance, Portfolio, Transaction
  Gateway, History, Traces, Gas Price, Web3 RPC, NFT, and Domains across 14+ EVM and non-EVM chains, distributed under a single
  API key.
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
tags:
- DeFi
- DEX Aggregator
- Swap
- Limit Orders
- Fusion
- Web3
- RPC
- Market Data
created: '2026-05-23'
modified: '2026-05-23'
specificationVersion: '0.19'
apis:
- aid: 1inch:swap-api
  name: 1inch Swap API
  description: Returns optimal swap routes and ready-to-sign transaction calldata across aggregated DEX liquidity. Supports
    Classic Swap, intent-based Fusion, and cross-chain Fusion+ flows.
  humanURL: https://business.1inch.com/portal/documentation
  baseURL: https://api.1inch.dev/swap
  tags:
  - Swap
  - Aggregation
  - Fusion
  properties:
  - type: Documentation
    url: https://business.1inch.com/portal/documentation
  - url: graphql/1inch-graphql.md
    type: GraphQL
- aid: 1inch:orderbook-api
  name: 1inch Orderbook API
  description: Limit Order Protocol orderbook — create, query, fill, and cancel signed limit orders across supported EVM chains.
  humanURL: https://business.1inch.com/portal/documentation
  baseURL: https://api.1inch.dev/orderbook
  tags:
  - Limit Orders
  - Orderbook
  - Trading
  properties:
  - type: Documentation
    url: https://business.1inch.com/portal/documentation
- aid: 1inch:price-api
  name: 1inch Spot Price API
  description: Real-time USD and reference spot prices for tokens across supported networks, sourced from on-chain liquidity.
  humanURL: https://business.1inch.com/portal/documentation
  baseURL: https://api.1inch.dev/price
  tags:
  - Price
  - Market Data
  - Spot
  properties:
  - type: Documentation
    url: https://business.1inch.com/portal/documentation
- aid: 1inch:token-api
  name: 1inch Token API
  description: Token metadata, lists, search, and verification across all 1inch-supported networks.
  humanURL: https://business.1inch.com/portal/documentation
  baseURL: https://api.1inch.dev/token
  tags:
  - Token
  - Metadata
  - Lists
  properties:
  - type: Documentation
    url: https://business.1inch.com/portal/documentation
- aid: 1inch:token-details-api
  name: 1inch Token Details API
  description: Enriched token details including market metrics, price history, and trading stats for individual tokens.
  humanURL: https://business.1inch.com/portal/documentation
  baseURL: https://api.1inch.dev/token-details
  tags:
  - Token
  - Details
  - Analytics
  properties:
  - type: Documentation
    url: https://business.1inch.com/portal/documentation
- aid: 1inch:charts-api
  name: 1inch Charts API
  description: Historical OHLCV chart data for tokens and trading pairs across supported networks.
  humanURL: https://business.1inch.com/portal/documentation
  baseURL: https://api.1inch.dev/charts
  tags:
  - Charts
  - OHLCV
  - History
  properties:
  - type: Documentation
    url: https://business.1inch.com/portal/documentation
- aid: 1inch:balance-api
  name: 1inch Balance API
  description: Token balance lookups and allowance checks for any wallet across supported chains, returning balances in a
    unified JSON schema.
  humanURL: https://business.1inch.com/portal/documentation
  baseURL: https://api.1inch.dev/balance
  tags:
  - Balance
  - Wallet
  - Allowance
  properties:
  - type: Documentation
    url: https://business.1inch.com/portal/documentation
- aid: 1inch:portfolio-api
  name: 1inch Portfolio API
  description: Cross-chain portfolio aggregation — wallet positions, protocol exposures, profit and loss, fees, and value
    over time.
  humanURL: https://business.1inch.com/portal/documentation
  baseURL: https://api.1inch.dev/portfolio
  tags:
  - Portfolio
  - PnL
  - Positions
  properties:
  - type: Documentation
    url: https://business.1inch.com/portal/documentation
- aid: 1inch:transaction-gateway-api
  name: 1inch Transaction Gateway API
  description: Submission gateway that broadcasts signed transactions and tracks status across supported EVM chains.
  humanURL: https://business.1inch.com/portal/documentation
  baseURL: https://api.1inch.dev/tx-gateway
  tags:
  - Transactions
  - Broadcast
  - Tracking
  properties:
  - type: Documentation
    url: https://business.1inch.com/portal/documentation
- aid: 1inch:history-api
  name: 1inch History API
  description: Unified wallet transaction history across all supported chains, decoded into protocol-aware events (swaps,
    transfers, approvals, liquidity actions).
  humanURL: https://business.1inch.com/portal/documentation
  baseURL: https://api.1inch.dev/history
  tags:
  - History
  - Transactions
  - Wallet
  properties:
  - type: Documentation
    url: https://business.1inch.com/portal/documentation
- aid: 1inch:traces-api
  name: 1inch Traces API
  description: Detailed transaction trace data for debugging and analytics across supported EVM chains.
  humanURL: https://business.1inch.com/portal/documentation
  baseURL: https://api.1inch.dev/traces
  tags:
  - Traces
  - Debugging
  - Analytics
  properties:
  - type: Documentation
    url: https://business.1inch.com/portal/documentation
- aid: 1inch:gas-price-api
  name: 1inch Gas Price API
  description: Current gas-price recommendations (low / medium / high / instant) for supported EVM chains, accounting for
    EIP-1559 base and priority fees.
  humanURL: https://business.1inch.com/portal/documentation
  baseURL: https://api.1inch.dev/gas-price
  tags:
  - Gas
  - Fees
  - EVM
  properties:
  - type: Documentation
    url: https://business.1inch.com/portal/documentation
- aid: 1inch:web3-rpc-api
  name: 1inch Web3 RPC API
  description: Hosted JSON-RPC endpoints for 14+ EVM and non-EVM networks, exposed through the 1inch API key for unified rate
    limiting and access control.
  humanURL: https://business.1inch.com/portal/documentation
  baseURL: https://api.1inch.dev/web3
  tags:
  - RPC
  - JSON-RPC
  - Web3
  properties:
  - type: Documentation
    url: https://business.1inch.com/portal/documentation
- aid: 1inch:nft-api
  name: 1inch NFT API
  description: Wallet NFT holdings, collection metadata, and floor prices across supported chains.
  humanURL: https://business.1inch.com/portal/documentation
  baseURL: https://api.1inch.dev/nft
  tags:
  - NFT
  - Collections
  - Metadata
  properties:
  - type: Documentation
    url: https://business.1inch.com/portal/documentation
- aid: 1inch:domains-api
  name: 1inch Domains API
  description: Reverse and forward resolution for Web3 naming systems (ENS, Unstoppable Domains, and other supported registries).
  humanURL: https://business.1inch.com/portal/documentation
  baseURL: https://api.1inch.dev/domains
  tags:
  - Domains
  - ENS
  - Resolution
  properties:
  - type: Documentation
    url: https://business.1inch.com/portal/documentation
common:
- type: TrustCenter
  url: security/1inch-trust-center.yml
- type: DomainSecurity
  url: security/1inch-domain-security.yml
- type: Website
  url: https://1inch.io
- type: Portal
  url: https://portal.1inch.dev
- type: Documentation
  url: https://business.1inch.com/portal/documentation
- type: GitHub
  url: https://github.com/1inch
- type: Twitter
  url: https://x.com/1inch
- type: Blog
  url: https://blog.1inch.io
- type: LlmsText
  url: https://1inch.com/llms.txt
integrations:
- name: Ethereum
- name: Base
- name: Arbitrum
- name: Optimism
- name: Polygon
- name: BNB Chain
- name: Avalanche
- name: Solana
- name: zkSync Era
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com