1inch website screenshot

1inch

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.

1inch publishes 7 APIs on the APIs.io network, including Balance API, GasPrice API, Orderbook API, and 4 more. Tagged areas include Web3, DeFi, DEX, Aggregator, and Swap.

1inch’s developer surface includes authentication, developer portal, documentation, pricing, GitHub presence, and 7 more developer resources.

🌐 Visit website 📡 Source on GitHub
40.4/100 thin ▬ flat Agent 31/100 agent aware Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessFreemiumSelf serve⚡ Free to try
14 APIs
Web3DeFiDEXAggregatorSwapMulti-chainLimit OrdersFusionCross-chain

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 40.4/100 · thin
Contract Quality 12.5 / 25
Developer Ergonomics 5.7 / 20
Commercial Clarity 10.0 / 20
Operational Transparency 4.8 / 13
Governance 0.0 / 12
Discoverability 7.4 / 10
Agent readiness — 31/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
MCP Server 0 / 12
Machine-Readable Auth 10 / 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 0 / 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/one-inch: 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 14

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

1inch Swap API

Quote and swap endpoints supporting classic aggregation, Fusion intent-based swaps, and cross-chain (Fusion+).

1inch Orderbook API

Limit-order placement, query, fill, and cancellation endpoints.

1inch Balance API

Wallet balance lookup across supported EVM chains.

1inch Spot Price API

On-chain spot price feeds for tokens across supported EVM chains.

1inch Token API

Token metadata and discovery endpoints.

1inch Portfolio API

Portfolio composition, P&L, and historical valuation across supported networks.

1inch Gas Price API

Gas price estimates for EIP-1559 across supported EVM chains.

1inch Balance API

The Balance API from 1inch — 1 operation(s) for balance.

1inch GasPrice API

The GasPrice API from 1inch — 1 operation(s) for gasprice.

1inch Orderbook API

The Orderbook API from 1inch — 2 operation(s) for orderbook.

1inch Portfolio API

The Portfolio API from 1inch — 1 operation(s) for portfolio.

1inch SpotPrice API

The SpotPrice API from 1inch — 1 operation(s) for spotprice.

1inch Swap API

The Swap API from 1inch — 8 operation(s) for swap.

1inch Token API

The Token API from 1inch — 1 operation(s) for token.

Scroll for all 14

Open Collections 1

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

1inch Developer Portal APIs

OPEN COLLECTION

Pricing Plans 1

Published pricing tiers and plan structures.

One Inch Plans Pricing

4 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

One Inch Rate Limits

4 limits

RATE LIMITS

FinOps 1

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

One Inch Finops

FINOPS

Security Posture 2

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

One Inch Authentication

http · 1 scheme

SECURITY

One Inch Domain Security

TLSv1.3 · DNSSEC · DMARC

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

One Inch Agentic Access

15 operations · 1 acting

15 operations · 1 acting

AGENTIC

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 2

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess
AgenticAccess
 LlmsText
LlmsText

Build 1

SDKs, sample code, and the tooling you integrate with

GitHub
GitHub

Access & Security 2

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity
 Authentication
Authentication

Operate 1

Status, limits, changes, and where to get help

RateLimits
RateLimits

Commercial 3

Pricing, plans, and the legal terms of use

Pricing
Pricing
 Plans
Plans
 FinOps
FinOps

Company 1

The organization behind the API

LinkedIn
LinkedIn

Source (apis.yml)

apis.yml Raw ↑ 
aid: one-inch
url: https://raw.githubusercontent.com/api-evangelist/one-inch/refs/heads/main/apis.yml
name: 1inch
kind: company
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  label: Freemium · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/one-inch.png
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-images.s3.amazonaws.com/shared/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-images.s3.amazonaws.com/shared/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-images.s3.amazonaws.com/shared/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-images.s3.amazonaws.com/shared/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-images.s3.amazonaws.com/shared/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-images.s3.amazonaws.com/shared/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-images.s3.amazonaws.com/shared/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
- aid: one-inch:one-inch-balance-api
  name: 1inch Balance API
  description: The Balance API from 1inch — 1 operation(s) for balance.
  humanURL: https://business.1inch.com/portal/documentation/swap-api
  baseURL: https://api.1inch.dev/swap/v6.0
  tags:
  - Balance
  properties:
  - type: OpenAPI
    url: openapi/one-inch-balance-api-openapi.yml
- aid: one-inch:one-inch-gasprice-api
  name: 1inch GasPrice API
  description: The GasPrice API from 1inch — 1 operation(s) for gasprice.
  humanURL: https://business.1inch.com/portal/documentation/swap-api
  baseURL: https://api.1inch.dev/swap/v6.0
  tags:
  - GasPrice
  properties:
  - type: OpenAPI
    url: openapi/one-inch-gasprice-api-openapi.yml
- aid: one-inch:one-inch-orderbook-api
  name: 1inch Orderbook API
  description: The Orderbook API from 1inch — 2 operation(s) for orderbook.
  humanURL: https://business.1inch.com/portal/documentation/swap-api
  baseURL: https://api.1inch.dev/swap/v6.0
  tags:
  - Orderbook
  properties:
  - type: OpenAPI
    url: openapi/one-inch-orderbook-api-openapi.yml
- aid: one-inch:one-inch-portfolio-api
  name: 1inch Portfolio API
  description: The Portfolio API from 1inch — 1 operation(s) for portfolio.
  humanURL: https://business.1inch.com/portal/documentation/swap-api
  baseURL: https://api.1inch.dev/swap/v6.0
  tags:
  - Portfolio
  properties:
  - type: OpenAPI
    url: openapi/one-inch-portfolio-api-openapi.yml
- aid: one-inch:one-inch-spotprice-api
  name: 1inch SpotPrice API
  description: The SpotPrice API from 1inch — 1 operation(s) for spotprice.
  humanURL: https://business.1inch.com/portal/documentation/swap-api
  baseURL: https://api.1inch.dev/swap/v6.0
  tags:
  - SpotPrice
  properties:
  - type: OpenAPI
    url: openapi/one-inch-spotprice-api-openapi.yml
- aid: one-inch:one-inch-swap-api
  name: 1inch Swap API
  description: The Swap API from 1inch — 8 operation(s) for swap.
  humanURL: https://business.1inch.com/portal/documentation/swap-api
  baseURL: https://api.1inch.dev/swap/v6.0
  tags:
  - Swap
  properties:
  - type: OpenAPI
    url: openapi/one-inch-swap-api-openapi.yml
- aid: one-inch:one-inch-token-api
  name: 1inch Token API
  description: The Token API from 1inch — 1 operation(s) for token.
  humanURL: https://business.1inch.com/portal/documentation/swap-api
  baseURL: https://api.1inch.dev/swap/v6.0
  tags:
  - Token
  properties:
  - type: OpenAPI
    url: openapi/one-inch-token-api-openapi.yml
common:
- type: AgenticAccess
  url: agentic-access/one-inch-agentic-access.yml
- type: DomainSecurity
  url: security/one-inch-domain-security.yml
- type: Authentication
  url: authentication/one-inch-authentication.yml
- type: LinkedIn
  url: https://www.linkedin.com/company/1inch
- 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
- type: LlmsText
  url: https://1inch.com/llms.txt
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com