Gateway Nanopayments Primer
Circle Developer Notes / 0.002400 USDCreceipt evidence
0x5d68f8e9...26bd51
paid to creator0.002400USDC
forum routed
Circle Developer Notes
This receipt binds a source payment to the answer that used it. The previous hash links it into the append-only attribution ledger.
receipt hash0x5d68f8e946a57d9ece30fe1a94ed5bd518064a6222eb4784e1104eafe026bd51
previous hash0xbd7f2c909df20aaaa71d44550c782efbcdff0bbecef63b2dd467b5d28e3e280c
query id0xa66b5187b0b1d800
source idcircle-gateway-nano
creator wallet0x2222...2222
created at2026-06-23T14:53:32.406Z
payment resourceforum-fee-router:0xeff9bc359e8f2a5eabce55af3f1bb24f98eabf59
query payment hashnot reader-paid
payer0x4164F5B52ecc6F847f03071A287b0B59954cbcEe
transaction0x726a0e95...aa44d7
FeeRouter split20
FeeRouter createSplit0xb1ac168f...de3235
FeeRouter pay0x726a0e95...aa44d7
answer context
How can a budgeted AI agent buy publisher citations without overspending?
A budgeted AI agent can buy publisher citations without overspending by: (1) using nanopayment infrastructure like Circle Gateway to batch sub-cent x402 payments and avoid per-payment gas costs; (2) settling on Arc, which offers USDC-native settlement with sub-second finality and built-in payment workflows; (3) enforcing spend controls through Forum-style mandates that bind the agent budget and publish enforceable receipts; and (4) leveraging existing RSS/feed distribution surfaces where creators already aggregate work, reducing friction for pay-per-citation experiments. For agents without immediate funding, Shadow Float provides behavior-backed USDC spending lines on Arc, allowing purchases before wallet funding with transparent debt and repayment tracking.
Open answer evidenceCore infrastructure for sub-cent nanopayments via batched EIP-3009 authorizations; directly answers how to avoid overspending on per-citation costs.