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answer evidence

0xa1e427bf...6c4692

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citation payments recorded0.005200USDC

agentic reasoning loop / server judge-strict / 0xfc2331c2ef26e2c7

What is Circle Gateway nanopayment batching?

Circle Gateway nanopayment batching is a settlement scheme that pools many signed EIP-3009 USDC authorizations together for gasless sub-cent settlement. Rather than settling each authorization as a single on-chain transaction, the batched scheme references payments by a Gateway payment id, enabling x402 payments to clear at sub-cent values without incurring per-payment gas costs.

3 sources bought / 2 cited / 1 refunded

citations3
receipts3
reader paid0.000000
creator payouts (reader-paid)0.003700
protocol retained (reader-paid)not reader-paid
budget utilizationn/a
latest receipt0x6381f320...15d5b1
query id0xfc2331c2ef26e2c7
query hash0xbf476c0c7818d5b330640f78d2a40327fb45b4e5d75dae9ab4b89fc83f6f124d
answer hash0xa1e427bffb7ca1d91c485a1002a5e0c4723a4a8c2fcba9a54dbe84c2506c4692
created at2026-07-06T14:55:06.286Z
record agent modellm
agent modelclaude-haiku-4-5-20251001
server agent modejudge-strict
receipt count3
reader payment hashnot reader-paid
reader paid0.000000 USDC
creator payouts (reader-paid)0.003700 USDC
protocol retained (reader-paid)not reader-paid
budget utilizationn/a

agent accountability

Budget envelope and proof anchors

budget envelope0.006500 USDC
spent on sources0.005200 USDC
unused0.001300 USDC
source cap3/9 bought
covenant policynot published locally
allowed domainsregistered source URLs only
TrackRecord anchornone
SlashBond statusnot published locally
receipt chain hash0x650bbe6970451806628410abe5ba3f212595be17ce0dda9ec924cf4e4f329b8d

source market

Budgeted citation decision

source budget0.006500
agent spent0.005200
remaining0.001300
market sweep3/9
x402 Settlement Schemes on ArcPayments Protocol Notes / score 11 / 0.001300 USDC
Comprehensive explanation of x402 settlement including the Circle Gateway-batched scheme that pools signed authorizations for gasless sub-cent settlement. Essential context for understanding nanopayment batching mechanic
Gateway Nanopayments PrimerCircle Developer Notes / score 17 / 0.002400 USDC
Directly answers the question: explicitly describes Circle Gateway batching of EIP-3009 authorizations for sub-cent x402 payments without per-payment gas. Perfect match.
Driplet — Pay-Per-Second Live-Stream Monetization on ArcRising Technology / score 9 / 0.001500 USDC
Live implementation example of Circle/Arc nanopayments with gasless EIP-3009 relays. Demonstrates Circle Gateway batching in production use case, provides grounding for how batching works in practice.
Keyless Custodial Wallets for ReadersCustodial Wallet Notes / score 9 / 0.001400 USDC
Describes Circle W3S custodial wallets and x402 signing but does not explain Gateway batching mechanics. Complementary infrastructure, not the core answer.
Citation Economics for AI AnswersIndie Researcher / score 1 / 0.001200 USDC
General principles of citation payments but does not address Circle Gateway or batching. Too abstract for this technical question.
CitePay Agent Commerce Network — Hire Specialized AI Agents with USDCCitePay Markets / score 1 / 0.001000 USDC
Agent marketplace using USDC on Arc. Related to nanopayment infrastructure but does not explain Circle Gateway batching specifically.
FeeRouter Split Payouts and ReceiptsReceipt Ledger Notes / score 1 / 0.001600 USDC
Addresses sub-cent citation accrual and claimable balances but focuses on FeeRouter contract logic, not Circle Gateway batching. Relevant to nanopayment infrastructure but not the specific mechanism asked.
Arc Settlement SketchArc Builder Desk / score 1 / 0.002200 USDC
Covers Arc settlement and USDC but does not address Circle Gateway or nanopayment batching. Tangential to the specific question.
Lepton RFB NotesCanteen Research / score 1 / 0.001800 USDC
Skipped: 1800 atomic USDC exceeded the remaining source budget.

agent reasoning / planned by claude-haiku-4-5-20251001

Appraise to payout timeline

PASS - All claims are supported by purchased sources

  1. 1
    appraiseAppraised 15 candidates: 3 to buy, 12 to skip.circle-gateway-nano: Directly answers the question: explicitly describes Circle Gateway batching of EIP-3009 authorizations for sub-cent x402 payments without per-payment gas. Perfect match. | x402-settlement-schemes: Comprehensive explanation of x402 settlement including the Circle Gateway-batched scheme that pools signed authorizations for gasless sub-cent settlement. Essential context for understanding nanopayment batching mechanic | driplet-pay-per-second-live-stream-monetization-on-arc: Live implementation example of Circle/Arc nanopayments with gasless EIP-3009 relays. Demonstrates Circle Gateway batching in production use case, provides grounding for how batching works in practice.
  2. 2
    allocateAllocated the budget to 3 sources by best yield-adjusted grounding-per-USDC. · spent 0.005200 USDCx402 Settlement Schemes on Arc, Gateway Nanopayments Primer, Driplet — Pay-Per-Second Live-Stream Monetization on Arc
  3. 3
    draftDrafted an answer with 2 grounded claims.Every claim is tied to a purchased sourceId.
  4. 4
    critiqueVerified every claim is backed by a purchased source.PASS - All claims are supported by purchased sources
  5. 5
    finalFinal answer is restricted to paid citation records.x402 Settlement Schemes on Arc, Gateway Nanopayments Primer, Driplet — Pay-Per-Second Live-Stream Monetization on Arc
  6. 6
    receiptsWrote 3 source payment receipts into the ledger.0x650bbe6970451806628410abe5ba3f212595be17ce0dda9ec924cf4e4f329b8d

paid citations

Sources used

x402 Settlement Schemes on Arc

Payments Protocol Notes / 0.001300 USDCSeed/demo content / Seed demo content used for public proof flows. / excerpt 0x73ba7ecb...9cda90Comprehensive explanation of x402 settlement including the Circle Gateway-batched scheme that pools signed authorizations for gasless sub-cent settlement. Essential context for understanding nanopayment batching mechanic
Source page0x6381f320...15d5b1

Gateway Nanopayments Primer

Circle Developer Notes / 0.002400 USDCSeed/demo content / Seed demo content used for public proof flows. / excerpt 0x040ead00...888d00Directly answers the question: explicitly describes Circle Gateway batching of EIP-3009 authorizations for sub-cent x402 payments without per-payment gas. Perfect match.
Source page0x23f006e0...7b7f55

Driplet — Pay-Per-Second Live-Stream Monetization on Arc

Rising Technology / 0.001500 USDCVerified / Domain ownership was independently verified. / excerpt 0xdc3444b0...96c629Live implementation example of Circle/Arc nanopayments with gasless EIP-3009 relays. Demonstrates Circle Gateway batching in production use case, provides grounding for how batching works in practice.
Source page0x650bbe69...329b8d

answer receipts

Payment trail

Payments Protocol Notespayment status: accrued -> claimable on-chain / creator recipient 0x7777...7777ledger 0x6381f320...15d5b1 / prev 0x68e7d759...d97a2e
0.001300Arc tx0x6381f320...15d5b1
Circle Developer Notespayment status: accrued -> claimable on-chain / creator recipient 0x2222...2222ledger 0x23f006e0...7b7f55 / prev 0x6381f320...15d5b1
0.002400Arc tx0x23f006e0...7b7f55
Rising Technologypayment status: refunded / creator recipient 0xa7EC...7308ledger 0x650bbe69...329b8d / prev 0x23f006e0...7b7f55
0.0015000x650bbe69...329b8d