How to Swap ETH to USDT — the Deepest Stablecoin Pair
ETH→USDT on Ethereum is the deepest stablecoin corridor in crypto, where BTC-scale liquidity meets a frictionless self-custody exit to the dollar. How the swap works, what it costs on mainnet, and how to execute it in one atomic transaction.
Why ETH→USDT Is the Marker of the Whole Market
ETH/USDT is consistently one of the highest-volume trading pairs in crypto — exchanges route their deepest liquidity into it, and almost any token ultimately prices against it. When you swap ETH into USDT, you are converting into the network's default settlement asset.
For a self-custody user the move has two uses: de-risk into a stablecoin without leaving your wallet, or set aside dollars while keeping access to Ethereum apps. Either way it is a single transaction on mainnet.
The Trade Stays on Ethereum
The whole exchange happens on Ethereum in one transaction — the ETH you send and the USDT you receive are both ERC-20s on the same chain, so there is no bridge leg and no cross-chain risk.
AEXI compares every ETH/USDT pool it can reach (Uniswap v2/v3, Curve, Balancer and more), splits your order where the split tightens the fill, and settles atomically. You land on the best net output after fees, not the first pool it found.
Step 1 — Connect a Wallet on Ethereum
Connect MetaMask, Coinbase Wallet or any of the 300+ wallets via AEXI's Reown AppKit integration. Make sure the account holds ETH on the Ethereum mainnet — with gas available to pay the transaction.
Step 2 — Enter the Swap
Set source ETH on Ethereum and destination USDT on Ethereum, then type the amount. AEXI returns an instant quote: the USDT you receive, the Ethereum gas fee, and the expected completion time.
For large amounts the aggregator splits the order across pools to reduce price impact, which is where deep ETH/USDT liquidity pays off.
Step 3 — Review and Confirm
Check the preview — quoted USDT, route, total fee — approve the ETH spend on first use, and confirm in your wallet. Expect settlement in under a minute on mainnet.
If the market moves past your slippage limit between quote and mining, the swap is rejected rather than filled at a worse price — your ETH comes back untouched. Set a slippage bound you are comfortable with in the form.
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