Pay

Pay with Worldchain (ETH)

Pay any U.CASH merchant with Worldchain. Your ETH settles final and direct from your wallet, with low fees and no chargebacks.

Why pay with Worldchain

Crypto payments are final, global, and cheap. Worldchain is a strong way to pay merchants directly.

No chargebacks

ETH payments are final on-chain. No card-style disputes clawing funds back weeks later.

Borderless

Pay any U.CASH merchant worldwide. No blocked regions, no currency conversion holds.

Low fees

Network fees instead of card processing percentages, especially on efficient chains.

Private by default

No card number to hand over. You sign a transaction from your own wallet.

Pay by name

Send to a web3 name (ENS, Unstoppable Domains, FIO) instead of a long address.

Fast settlement

Merchants see your payment confirm quickly, then release goods or services.

How to pay with Worldchain

Step 01

Find a checkout

Open a Pay-Now link, an invoice, or any U.CASH merchant checkout that accepts Worldchain.

Step 02

Choose ${c.name}

Select ETH as your payment method from the supported coins.

Step 03

Pay from your wallet

Send ETH to the merchant address, or web3 name, shown on screen.

Step 04

Merchant confirms

The merchant watches the chain and releases your goods or services once Worldchain confirms.

Where you can pay

Online stores

Any merchant running U.CASH Pay can take your ETH at checkout.

Invoices

Pay a Pay-Now invoice or billing request in Worldchain, straight from your wallet.

Donations and tips

Support creators and causes with ETH, no intermediary taking a cut.

In person

Pay merchants and converters face to face; they watch the chain for your payment.

Subscriptions

Recurring billing handled per-cycle, settled direct to the merchant.

AI agents

Pay agents per request over the HTTP-402 protocol using ETH.

Pay with more than Worldchain

Ethereum (ETH)

The leading smart-contract blockchain and home of ERC-20.

Base (ETH)

Ethereum L2 built on the OP Stack.

Arbitrum (ETH)

Leading Ethereum L2 by activity.

Polygon (POL)

EVM sidechain built for fast, cheap payments.

Unichain (ETH)

DeFi-focused OP Stack Ethereum L2.

Optimism (ETH)

Ethereum L2 and home of the OP Stack.

Paying with Worldchain: FAQ

Where can I spend Worldchain?
Any merchant running U.CASH Pay can accept your ETH at checkout, plus invoices, donations, and in-person payments.
Can I get a refund in Worldchain?
Refunds are up to the merchant, but Worldchain refunds are simple: the merchant sends ETH back to your wallet address.
Do I pay network fees to pay with Worldchain?
Yes. You pay the Worldchain network fee for your transaction. On efficient chains that is a fraction of a cent.

Pay with Worldchain anywhere

Final, low-fee, borderless payments direct from your wallet to the merchant.