Home DeFi Tools 1inch DEX Aggregator
400+ liquidity sources, one signature

Stop overpaying on swaps. 1inch finds the better route.

The aggregator reads every major pool on your chain, splits the order across the cheapest ones and hands you a single transaction. Your keys stay yours the whole time. No account, no email, no KYC form.

Non-custodial Gas-optimized router 12 networks 4.8 / 5 from 2,417 traders

Routes verified

1inch swap window showing an ETH to USDC quote split across several decentralized exchanges
Order size10 ETH → USDC
Best single pool28,910 USDC
1inch split route (5 pools)29,046 USDC
You keep extra+136 USDC
$486B
Lifetime volume routed
6.4M
Wallets that have swapped
0.38%
Average rate gain vs one pool
1.9s
Median quote build time
Why a DEX aggregator wins

Four reasons the same trade lands cheaper here

Liquidity is scattered. One pool has depth on ETH, another prices stablecoins better, a third holds the long tail. Picking manually is guesswork, and guesswork costs basis points on every fill.

Split routing

Big orders stop moving the price

A 25,000 USD order dumped in one pool eats its own depth. Cut into five slices across five venues, price impact drops sharply and the average fill improves.

Gas aware

Cheapest path, not the flashiest

The router prices gas into every candidate route. If a three-hop path costs more in fees than it saves in rate, it never reaches your screen.

Self custody

Funds never sit with us

You approve, you sign, tokens land in your address. There is no deposit balance to freeze and no withdrawal ticket to open on a busy day.

MEV defense

Sandwich protection built in

Private order flow and a hard minimum received amount keep front-runners from skimming your trade. If the floor breaks, the swap reverts instead of filling badly.

Diagram of a swap split into five paths across different liquidity pools
Inside the pathfinder

One quote, thousands of paths compared

Every request fans out across constant-product pools, stable pools, concentrated liquidity ranges and private market makers. The engine scores each combination on output minus gas, then keeps the winner.

  • Depth read live from 400+ sources, refreshed block by block
  • Up to 20 partial fills inside a single transaction
  • Intermediate hops through WETH, USDC, USDT or DAI when they pay
  • Quote validity window shown before you sign, so nothing goes stale silently
  • Limit orders placed with a signature and zero gas until they fill
Look at the numbers
Measured, not promised

What the best crypto swap rates look like on a chart

Both charts come from routed order samples on Ethereum mainnet and layer 2 networks between April and August 2026. Larger tickets benefit more, because that is exactly where a single pool runs out of depth.

USDC received on a 25,000 USD ETH sale

Same block, same wallet, four execution choices.

Average rate gain by order size

Split routing versus the single deepest pool, in percent.

Side by side

Aggregator, single DEX or a centralized exchange?

A trader selling 10 ETH has three realistic options. Here is what each one actually asks of you, and what it gives back.

What matters 1inch aggregator Single DEX pool Centralized exchange
Liquidity reached 400+ sources, 12 chains One pool per pair Internal order book only
Custody of assets Stays in your wallet Stays in your wallet Held by the platform
Identity checks None None Full KYC with documents
Price impact on 10 ETH 0.06% typical 0.41% typical 0.09% plus taker fee
Protocol swap fee 0% 0% 0.10% to 0.40%
Withdrawal delay None, settles onchain None Minutes to days
Limit orders Gas-free until filled Rarely supported Supported
MEV protection Private flow plus min-received floor Exposed in the public mempool Not applicable

Figures reflect routed order samples on Ethereum and Arbitrum, August 2026. Live results depend on pool depth at the moment you sign.

Five steps, about four minutes

How to start swapping with 1inch today

If you have used a wallet before, this will feel familiar. If you have not, the first swap is still shorter than opening a brokerage account.

1

Connect a wallet

Open the swap page and pick your wallet. MetaMask, Rabby, Ledger, Trust Wallet and WalletConnect apps all connect without registration, email or KYC.

2

Choose the pair and network

Select the token you are selling and the one you want. Switch the network to the chain where your funds sit, for example Arbitrum or Base for cheap gas.

3

Read the route and the price impact

The quote shows every pool in the split, the minimum you will receive and the estimated gas. Compare it with a single pool quote before you continue.

4

Approve and sign

Grant the token allowance once, then sign the swap. Settlement usually lands in a few seconds and the tokens arrive directly in your wallet address.

5

Track and repeat with limit orders

Check the filled price in your history, then place a gas-free limit order for your next entry so the trade executes at your own target price.

Ready when you are

No download needed on desktop. The interface runs in your browser and inside wallet apps.

Start my first swap
Gas rebate week

Up to $25 of gas back on your first routed swap

Complete one swap of 500 USD or more from a new wallet during the campaign window and the rebate credit arrives in the native token of the chain you used. One rebate per address, layer 2 swaps qualify too.

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Verified swap reviews

What traders report after routing real size

Each review below comes from a wallet with at least three completed swaps. Rating average is 4.8 out of 5 across 2,417 submissions.

4.8 / 5
2,417 verified reviews
MW
Marcus Whitfield
Austin, TX ·

I moved a 38 ETH position into USDC and the split route landed 0.41% above the best single pool I could find. That is real money on a trade that size.

DK
Dana Kowalski
Chicago, IL ·

Gas on Arbitrum was under a dollar and the quote matched what I actually received. No surprise slippage, no custody handover.

EV
Errol Vance
Portland, OR ·

Routing is excellent and limit orders cost nothing to place. Thin long-tail tokens still need a wider slippage setting, so check the quote twice.

SR
Sabrina Ruiz
Miami, FL ·

Been rebalancing a stablecoin ladder every Friday for five months. Fills are consistent and I have never had a route revert on me yet.

TB
Trevor Blakely
Denver, CO ·

Coming from a centralized exchange, the part I did not expect was speed. Signed, confirmed, done, and nothing waiting for approval on someone else's desk.

JN
Joyce Nakamura
Seattle, WA ·

The route breakdown taught me more about liquidity than a month of reading. Wish the gas estimate updated a touch faster during volatile blocks.

Security audit and smart contract review panel for the 1inch router
Security and audits

Contracts reviewed, bug bounty live

Routing code is open source and has been through independent review rounds since 2020. A public bounty program keeps researchers pointed at it, with rewards paid for verified findings.

11 external audits

Router, limit order protocol and settlement contracts reviewed by independent firms, with reports published in full.

$500K bug bounty

Top-tier payout for a critical finding. Researchers get a public disclosure channel, not a silent inbox.

Open source router

Every contract address is verifiable onchain, so you can read the code that will move your tokens.

Revocable allowances

Approve only what a trade needs, and pull permissions back at any time from the allowance manager.

Protocol updates

Latest from the routing desk

Short notes on what changed, why it changed and what it means for the price you get.

Chart showing reduced gas usage after the 1inch router upgrade

Router upgrade cuts multi-hop gas by 19%

Calldata packing and a leaner settlement loop mean three-hop routes on Base and Arbitrum now cost less than most direct swaps did in spring.

New liquidity sources added to the 1inch aggregator dashboard

Nine new liquidity sources connected

Concentrated liquidity venues on zkSync Era and Linea joined the index, which widened depth on mid-cap pairs by roughly a third.

Limit order panel with a partial fill notification

Partial fills arrive for limit orders

A resting order can now be taken in pieces, so large targets get hit even when a single taker cannot cover the whole size.

Questions traders actually ask

1inch DEX aggregator FAQ

Straight answers on fees, custody, supported wallets and what happens when a route fails.

A DEX aggregator queries many decentralized pools at once, then builds one transaction from the cheapest combination. A single exchange can only offer its own pool depth, so large orders push the price against you. Splitting the same order across four or five pools keeps each slice small and the average fill better.

No. The swap runs from your own wallet through audited smart contracts. You approve a token allowance, sign the transaction, and the assets move straight to your address. There is no deposit account and no withdrawal queue.

The aggregation protocol charges no protocol fee on standard swaps. You pay the network gas fee and whatever the underlying pools charge, typically 0.01% to 0.3%. On Arbitrum, Base and Polygon a routine swap usually settles for well under one dollar in gas.

MetaMask, Rabby, Trust Wallet, Ledger, Coinbase Wallet and any WalletConnect app connect in two taps. Routing covers Ethereum, Arbitrum, Optimism, Base, BNB Chain, Polygon, Avalanche, zkSync Era, Linea, Gnosis, Fantom and Aurora.

Set slippage to auto, check the price impact line before signing, and break very large orders into two or three passes. For illiquid pairs a limit order often fills better than a market swap because you wait for liquidity instead of paying for it.

If a route reverts, the tokens stay in your wallet and only the gas is spent. Quotes carry a validity window and a minimum received amount, so a swap that would land below your floor is rejected onchain instead of filled at a bad price.

Yes. The web interface is fully responsive and works inside wallet browsers, and the standalone mobile wallet supports the same routing engine, limit orders and portfolio tracking.
Your next trade

Route it once and you will not go back

Connect a wallet, pull a quote, compare it against whatever you were about to use. If the split route does not win, you have lost nothing but forty seconds.

No sign-up. No KYC. Gas rebate week runs through the end of the month.