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.

1inch publishes 15 APIs on the APIs.io network. Tagged areas include DeFi, DEX Aggregator, Swap, Limit Orders, and Fusion.

1inch’s developer surface includes developer portal, documentation, GitHub presence, engineering blog, and 6 more developer resources.

🌐 Visit website 📡 Source on GitHub
30.9/100 thin ▲ 6.3 Agent 27/100 agent aware Full breakdown ↓
scored 2026-07-28 · rubric v0.6
15 APIs
DeFiDEX AggregatorSwapLimit OrdersFusionWeb3RPCMarket Data

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 30.9/100 · thin
Contract Quality 9.3 / 25
Developer Ergonomics 3.9 / 20
Commercial Clarity 7.4 / 20
Operational Transparency 3.4 / 13
Governance 0.0 / 12
Discoverability 7.4 / 10
Agent readiness — 27/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract 0 / 10
MCP Server 0 / 12
Machine-Readable Auth 0 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 8 / 8
Dry-Run / Simulate Mode 0 / 4
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/1inch: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 15

Individual APIs this provider publishes, each with its own machine-readable definition.

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).

Scroll for all 15

GraphQL 1

GraphQL schemas published by this provider.

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 1

Published pricing tiers and plan structures.

1Inch Plans Pricing

1 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

1Inch Rate Limits

2 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

1Inch Finops

FINOPS

Security Posture 2

Authentication, domain security, vulnerability disclosure, and trust-center signals.

1Inch Domain Security

TLSv1.3 · DNSSEC · DMARC

SECURITY

1Inch Trust Center

SOC 2, ISO 27001

SECURITY

Resources

Get Started 1

Portal, sign-up, and the first successful call

Portal
Portal

Documentation 1

Reference material describing how the API behaves

Documentation
Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

LlmsText
LlmsText

Build 1

SDKs, sample code, and the tooling you integrate with

GitHub
GitHub

Access & Security 2

Authentication, authorization, and security posture

TrustCenter
TrustCenter
 DomainSecurity
DomainSecurity

Company 3

The organization behind the API

Website
Website
 Twitter
Twitter
 Blog
Blog

Other 1

Properties that don't map to a standard resource type

AgentCard
AgentCard

Source (apis.yml)

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: AgentCard
  url: a2a/1inch-a2a.yml
  name: A2A Agent Card
  description: Agent Card served at /.well-known/agent-card.json (conformant against A2A 1.0.0).
- 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