1inch API

The 1inch API is a cutting-edge discovery and routing algorithm that offers non-custodial asset swaps at the most attractive rates in major DeFi ecosystems — Ethereum, Binance Smart Chain and Polygon (Matic).

It finds the most efficient token swap paths, splitting swaps between different protocols and even different market depths within one protocol.

Who can integrate the 1inch API?



any platform that supports swaps

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3M+ Total swaps
140+ Liquidity sources
<400ms Response time
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Why use 1inch API?

Largest liquidity depth

The API facilitates price transparency and access to 53 liquidity sources on Ethereum and 24 liquidity sources on BSC.

Best prices

The 1inch API discovers the most efficient paths for token swaps, enabling splits between different protocols in a bid to get the best prices.

Lowest response time

The 1inch API offers users a response time of below 400 ms, which is the best offering on the market.

Lowest fees

Thanks to innovative gas optimization features, users can substantially save on gas.

Enterprise API

A dedicated end-point for guaranteed best performance.


The 1inch API provides aggregated market data for non-custodial order executions.

Integrating our API

The integration process has been streamlined by making 1inch’s Ethereum and Binance Smart Chain APIs incredibly easy to use with only two calls:

Get quote using /v4.0/${chainId}/quote endpoint
Get calldata for trade /v4.0/${chainId}/swap endpoint
View the docs

Join top-tier projects that use the 1inch API:

Interested in integrating 1inch API?

If you have questions regarding collaboration with 1inch, get in touch!

Get in touch