Gateway Nanopayments Primer
Circle Developer Notes / 0.002400 USDCreceipt evidence
0x5b85d6fb...a98020
creator amount0.002400USDC
refunded
Circle Developer Notes
This receipt binds a source payment to the answer that used it; FeeRouter-routed receipts accrue into creator-claimable balances. The previous hash links it into the append-only attribution ledger.
payment statusrefunded
settlement moderefunded
amount0.002400 USDC
receipt hash0x5b85d6fbba400b09f8e9230d972b02993e4fce5036672fa015a0be542da98020
previous hash0x108a3f2047a3c3bbe08e7ed51e7deffd9f57c02889564ec3b6fff21061661be5
query id0xa8838a62add3ac0a
source idcircle-gateway-nano
creator wallet0x2222...2222
created at2026-07-06T14:52:27.984Z
payment resourcetollgate-refund:unused-source
query payment hashnot reader-paid
payerlocal proof
Arc txpending settlement
FeeRouter splitnot FeeRouter-routed
FeeRouter createSplitnot FeeRouter-routed
FeeRouter paynot FeeRouter-routed
contributorssingle recipient
canonical URLhttps://developers.circle.com/gateway/nanopayments
content fetched at2026-07-06T14:52:27.984Z
source content hash0x36def94924cfade55c57b66904180cca8da5bb30ea8f85bbeaf8320a6315964a
source excerpt hash0x040ead003a061a3df77b69f1231ee277069666b951ead02b685c8626bd888d00
ownership proofseed-demo
ownership signernot verified
answer context
How does x402 settle payments on Arc?
x402 settles payments on Arc through the 'exact' scheme, which settles EIP-3009 USDC authorizations directly on Arc as a single USDC transfer, making the reader's debit a verifiable on-chain transaction. Arc itself is designed for stablecoin-native settlement with USDC gas and sub-second finality.
Open answer evidenceCovers x402 payment clearing via Circle Gateway batching of EIP-3009 authorizations at sub-cent values without per-payment gas. Explains one settlement path on Arc.Seed/demo content from Circle Developer Notes. Title: Gateway Nanopayments Primer. Excerpt: Circle Gateway batches signed EIP-3009 authorizations so x402 payments can clear at sub-cent values without per-payment gas. Tags: circle, gateway, eip-3009, x402, usdc. Canonical URL: https://developers.circle.com/gateway/nanopayments.