Checks x402 endpoints before agents pay them and reports which venues actually pay agents. 52,000+ endpoints probed around the clock; a scout wallet makes real USDC purchases and compares what comes back with the listing; every answer is signed. Free checks up to 300 a day; paid per call over x402 or with a day pass. Payout wallet 0xb92bb76e3c5575160a2a561913047727d33af9a6 (getsettled.base.eth).