x402 Settlement Schemes on Arc
Payments Protocol Notes / 0.001300 USDCreceipt evidence
0x560be776...f03105
creator amount0.001300USDC
refunded
Payments Protocol 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
amount0.001300 USDC
receipt hash0x560be776c8c9796f1f0b518cdc7b4ef2590b759006d1c69b86875f67abf03105
previous hash0x9341a0913265ea41e6a1d6af47c30816dbc2da387ea7f1df44353942a43b488f
query id0xb8614ba85d7f7ab3
source idx402-settlement-schemes
creator wallet0x7777...7777
created at2026-07-06T22:17:57.108Z
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://x402.org/
content fetched at2026-07-06T22:17:57.108Z
source content hash0x1e1739c6c89502b9dd060b45a3f4719d3cae768783709a59053b4134fb2094f3
source excerpt hash0x73ba7ecb49bae825c4bbe8a00893c8c9fc983094c4b2ac78197903350c9cda90
ownership proofseed-demo
ownership signernot verified
answer context
what is the purpose of fifaaaa
The purchased sources do not contain information about 'fifaaaa'. The sources provided discuss settlement schemes, AI agent commerce networks, and autonomous source-buying, but none of them address or define 'fifaaaa'.
Open answer evidenceDirectly explains x402 protocol mechanics and settlement schemes on Arc—core to understanding the payment infrastructure behind 'fifaaaa' (likely a typo for 'FIFA' or agent commerce system). Highest relevance to the quesSeed/demo content from Payments Protocol Notes. Title: x402 Settlement Schemes on Arc. Excerpt: x402 turns HTTP 402 into a real payment step: a resource returns payment requirements, the client signs an EIP-3009 USDC authorization, and the server settles it. The 'exact' scheme settles that authorization directly on Arc as a single USDC transfer, so the reader's debit is a verifiable on-chain transaction. The Circle Gateway-batched scheme instead pools many signed authorizations for gasless sub-cent settlement, referenced by a Gateway payment id rather than one Arc tx. Tags: x402, eip-3009, settlement, arc, usdc. Canonical URL: https://x402.org/.