On-chain payment detection without manual review
Outpay watches Base, matches the transfer to the checkout, and updates payment state without polling or wallet checks.
1
Checkout created
Base · USDC · exact amount
2
USDC transfer observed
Base · USDC · exact amount
3
Amount and wallet matched
Base · USDC · exact amount
4
checkout.paid emitted
Base · USDC · exact amount
Base
network watched
USDC
token verified
0
manual checks
Product capabilities
Base transfer monitoring
Exact amount and merchant wallet matching
Checkout state updates after confirmed payment
Reliable signal for webhooks and dashboards
Built for operational trust, not manual crypto payment handling.
01
No manual block explorer review
02
No guessing whether a transfer belongs to an order
03
No paid orders left in pending limbo
Exact transfer matching
Outpay verifies the payment against the checkout request instead of only trusting a redirect.
Fast status changes
Orders move to paid as soon as the confirmed Base transfer matches the checkout.
Less manual reconciliation
Your team no longer needs to inspect block explorers for every paid order.
Ready to run USDC checkout like payment infrastructure?
Start with hosted checkout links, then add the API and webhooks when you want a deeper store integration.
Review pricing
Outpay© 2026 Outpay. Non-custodial checkout for USDC on Base.
Outpay is a non-custodial checkout and payment verification tool. Funds move directly from customer wallets to merchant wallets. Outpay does not hold, custody, convert, or settle customer funds.