# 1inch

**Canonical:** https://apis.io/providers/1inch/  
**Website:** https://1inch.io  
**APIs profiled:** 15

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.

## Kin Score — 28.6 / 100 (thin)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 28.6).

| Facet | Score |
|---|---|
| Discoverability | 81.5 |
| Contract Quality | 33.3 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 26.3 |
| Developer Ergonomics | 11.9 |
| Commercial Clarity | 36.8 |
| Access Clarity | 36.8 |

Regulatory layer — **Securities & Market Data**: 28.3 (matched via tags).

## Agent readiness — 25.2 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | no |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | conformant |
| Dry Run Mode | no |

## APIs (15)

- **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).

## Security (2)

- **1Inch Domain Security** — TLSv1.3 · DNSSEC · DMARC
- **1Inch Trust Center** — SOC 2, ISO 27001

## Plans (1)

- **1Inch Plans Pricing**

## Tags

DeFi, DEX Aggregator, Swap, Limit Orders, Fusion, Web3, RPC, Market Data

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/1inch/). Scores are computed from the provider's own public artifacts under a published rubric.