Exchange in 3 steps
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Choose how much USDT to send and enter your Sui address on Sui mainnet.
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Hit Exchange to open your order page with the live rate and deposit details.
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Transfer USDT to the address on your order — after confirmations, SUI is sent to your wallet automatically.
What do you need to know?
- Deposits on ERC-20 on Optimism follow that chain's confirmation times.
- Send only on ERC-20 on Optimism — other networks are not interchangeable.
- Double-check the network on your order page before you send.
- SUI not visible yet? Wait a few minutes, resync your wallet, then contact support with your order ID if the payout tx is already listed.
Tether on Optimism
Always match USDT on ERC-20 on Optimism when you send or receive — wrong-network transfers may not be credited.
Before you send
Use a wallet that supports ERC-20 on Optimism.
Verify the deposit network on your order page matches your wallet.
Sui
Always match SUI on Sui mainnet when you send or receive — wrong-network transfers may not be credited.
Receiving SUI
Your wallet must be on Sui mainnet.
Allow a few minutes after the order shows sent before opening support.
Before you swap
Avoid wrong-network deposits and address format mistakes — read these guides first.
Coin swap hubs
More no-KYC swap pairs and guides for each asset.
Frequently asked questions
Do I need KYC to swap USDT to SUI?
No. SendSwap is a non-custodial instant exchange — no account, no ID checks, and no KYC for Tether to Sui swaps.
How long does USDT to SUI take?
Most swaps finish in 1–5 minutes. Timing depends on ERC-20 on Optimism and Sui mainnet confirmations and current network load.
Is USDT to SUI non-custodial?
Yes. You send USDT from your wallet and receive SUI directly to the address you provide — SendSwap never holds your keys.
What if I send USDT on the wrong network?
Always match the network on your order page (ERC-20 on Optimism for deposits). Wrong-network sends may not be credited — read our swap safety guides before you send.