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Aptos
Arbitrum
Avalanche
Base
USDC
Sui
PYUSD
Live on Aptos Mainnet & Testnet
Gas is History
True Gasless
Make transactions completely free for your users. Sponsor gas fees directly or let them pay in any token—SmoothSend handles the rest.
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$npm install @smoothsend/sdk
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Built for the Future of Web3 Payments

Experience seamless token transfers without the complexity of gas management

True Gasless Experience

Users pay fees in the token they are sending - no native gas tokens required.

Multi-Chain Support

Works seamlessly on Aptos, Avalanche, Base, and Arbitrum networks.

Developer-Friendly

Easy to integrate SDK with comprehensive documentation for rapid deployment.

How It Works

Send stablecoins in four simple steps - no gas tokens required

1

Connect your wallet

Link your Web3 wallet to get started

2

Enter recipient and amount

Specify the destination address and USDC/USDT amount

3

Sign message (no gas needed)

Authorize the transaction with just a signature

4

Transfer completes automatically

Your stablecoins are sent without any gas fees

What Developers Are Saying

Real feedback from developers building with SmoothSend SDK

BS
"Just built something amazing with @SmoothSend SDK! The gasless transaction experience is incredible. Users love not having to worry about gas fees. This is the future of Web3 UX! 🚀"
Bacardi Sharma
Web3 Developer
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Multi-Chain