1inch (one-inch)

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 across 12+ EVM chains.

URL: Visit APIs.json URL

Type

• x-type: company

Tags

• Web3, DeFi, DEX, Aggregator, Swap, Multi-chain, Limit Orders, Fusion, Cross-chain

APIs (https://api.1inch.dev)

• Swap API
• Orderbook API
• Balance API
• Spot Price API
• Token API
• Portfolio API
• Gas Price API
• (plus History, NFT, Traces, Charts, Domains, Web3 RPC, Transaction Gateway)

Notes on OpenAPI

1inch publishes interactive Swagger reference docs but no canonical OpenAPI file at a stable public URL.

Timestamps

• Created: 2026-05-08
• Modified: 2026-05-08

Common Properties

• Portal
• Documentation
• Pricing
• GitHub
• Plans - partially reconciled
• RateLimits - partially reconciled
• FinOps - reconciled FOCUS-aligned

Maintainers

FN: Kin Lane

Email: kin@apievangelist.com