The universal payment button, for humans and agents.
Accepts payments from any chain, any token, in a single tap. You settle in USDC on Base, with chain abstraction built in.
Chain abstraction, made invisible
The customer never picks a chain, never bridges, never switches networks. uPay routes everything behind one tap.
Drop in one component or a single script tag. Five lines and you accept crypto.
Any wallet, any chain. Unified Balance pools their USDC across chains into one spendable balance.
USDC · BaseUSDC · EthereumUSDC · ArcYou receive USDC, instantly. The dashboard reflects it as soon as it lands.
40.00 USDC · Base ✓82 USDC · Base45 USDC · Ethereum12 USDC · Arc
40.00USDCFive lines to accept any coin on any chain
A React component or a server-side session. uPay handles wallet connection, routing, and settlement. You handle the order.
Get your API key →import { UPayButton } from 'upay-base-sdk'
<UPayButton
apiKey="pk_test_..."
amount={40}
/>Safe by architecture
uPay never touches custody. Funds move directly from the customer's account to yours.
uPay never holds funds. Settlement is account-to-account, verifiable on-chain.
Unified Balance pools a customer's USDC across chains into one instantly spendable balance, no bridging screen.
Settlement lands on Base, with chain abstraction handled automatically.