What Agents Buy.

Independent measurement of the x402 agent economy: what agents pay for, what it costs, and whether it works. How this works.

2026-09-17 12:41 ETbuyersdemandsettlementdiscoverydata

92% of wallets paying for x402 APIs only pay one seller

the buyer tapeseller side public; buyer addresses stay private
Buyers aren't shopping around. They pick one API and stick with it.

I started tracking who pays, not just who gets paid. From Sept 11 to 17, 5,445 wallets paid an x402 seller on Base. 5,012 of them (92%) paid just one.

Receipts and detailclick to expand
What I sentto look at who pays, since everything here so far measured who gets paid
5,445 wallets over 7d; 1 seller: 5,012 (92.0%); >20 sellers: 22 wallets, $182.70, 8,350 payments; ex-Bitrefill 91.7%
Window
Sept 11 to 17, 2026, Base
Wallets that paid
5,445
Paid only one seller
5,012 (92%)
Paid more than 20 sellers
22 wallets, $183 total
Receipts: Base USDC Transfer logs into tracked seller payTo addresses, Sept 11 to 17, 2026. x402.boats inflows checked on Blockscout Sept 17.