Gateway Nanopayments Primer
Circle Developer Notes / 0.002400 USDCreceipt evidence
0xc1e1a5be...92d156
creator amount0.002400USDC
accrued -> claimable on-chain
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 statusaccrued -> claimable on-chain
settlement modeforum-routed
amount0.002400 USDC
receipt hash0xc1e1a5bef00ce285752d03c81e9eae76d364286fe1090690c582d695a292d156
previous hash0xc18652986ddaa9c84aad711ad0d179923f4d21b666cf1f6439ae0f1b92115a69
query id0xea44f2b5e5b0091d
source idcircle-gateway-nano
creator wallet0x2222...2222
created at2026-06-27T21:17:28.167Z
payment resourceforum-fee-router:0xeff9bc359e8f2a5eabce55af3f1bb24f98eabf59
query payment hashnot reader-paid
payer0x4164F5B52ecc6F847f03071A287b0B59954cbcEe
Arc tx0x1041bd29...6dbd9b
FeeRouter split137
FeeRouter createSplit0x9248d6ef...e0a1c3
FeeRouter pay0x1041bd29...6dbd9b
contributorssingle recipient
canonical URLhttps://developers.circle.com/gateway/nanopayments
content fetched at2026-06-27T21:17:28.167Z
source content hash0x47cb6d0b3fb32e405710b221f847c4cc2a984f37bc7baa44491880006ef261eb
source excerpt hash0x040ead003a061a3df77b69f1231ee277069666b951ead02b685c8626bd888d00
ownership proofseed-demo
ownership signernot verified
answer context
Which paid creator sources best explain x402 creator payouts in the Tollgate demo?
The Tollgate demo's x402 creator payouts are best explained by three complementary sources: Citation Economics for AI Answers provides the foundational principle that payments should be tiny, automatic, visible, and tied to the specific answer reusing the work. Lepton RFB Notes describes the technical framework asking builders to move sub-cent value per citation among other granular metrics. Circle Gateway Nanopayments Primer explains the infrastructure enabling these sub-cent x402 payments to clear efficiently by batching signed EIP-3009 authorizations without per-payment gas costs.
Open answer evidenceExplains the technical infrastructure enabling x402 payments at sub-cent scale via EIP-3009 batching. Essential for understanding how payouts clear without prohibitive gas costs.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.