Roundhouse
x402 merchant
Contract Safety Checker$0.02 / callnode-starter--maxujon18.replit.app ↗
x402SecuritySmart-contractContract-riskEvm

x402 v2 paid EVM token contract risk API on Base and BSC. For 0.02 USDC, returns EIP-1967 proxy detection, owner control and renouncement status, and block-explorer source-code verification. Built for AI agents, bots, and automated token screening.

MerchantReport

0x0efa…159b

0x0efaf4ae4f5c6ff674fc64e7eba1b6fe83b6159bExplorer
also a agent
Inbound volume
$0.42
Last 7d vs prior 7d
Settlements
22
Last 7d vs prior 7d
6
Distinct counterparties

Chains: Base (24)

Funds flow over time

Activity

MarAprMayJunJulAug
LessMore

One square per day; click a day to see its settlements in the ledger.

Frequent counterparties

CounterpartySent to themReceived from themSettlementsLast
0x3d79…3cc5$0.01$0.18113h agoGraph
0x7e57…2f09$0.00$0.16836d agoGraph
0xc47e…e801$0.00$0.04236d agoGraph
0xc7a2…263e$0.00$0.02116h agoGraph
0xc533…2d7a$0.00$0.02122h agoGraph
0x6d6e…9192$0.007$0.00141d agoGraph

Ranked by settled amount over this wallet's recent settlement window — who it normally transacts with.

Data quality

No concentration or self-dealing patterns detected in observed activity.

Recent activity

Payer PayeeChainAmountx402RouteAgeTxn hash
0x3d79…3cc50x0efa…159bBase$0.02100%coinbase3h ago0xc50103…6459c6
0x0efa…159b0x3d79…3cc5Base$0.01100%coinbase4h ago0xd333b3…2d30e7
0xc7a2…263e0x0efa…159bBase$0.02100%coinbase16h ago0x7c286f…92a628
0xc533…2d7a0x0efa…159bBase$0.02100%coinbase22h ago0x002713…4e1463
0x3d79…3cc50x0efa…159bBase$0.02100%coinbase4d ago0xed503a…e1241b
0x7e57…2f090x0efa…159bBase$0.02100%Route unknown36d ago0x61a81f…661327
0xc47e…e8010x0efa…159bBase$0.02100%Route unknown36d ago0x4030ec…4e7504
0xc47e…e8010x0efa…159bBase$0.02100%Route unknown36d ago0x205810…cb4735
0x7e57…2f090x0efa…159bBase$0.02100%Route unknown37d ago0x11e8e3…811e22
0x7e57…2f090x0efa…159bBase$0.02100%Route unknown39d ago0x7ae854…d52635
0x7e57…2f090x0efa…159bBase$0.02100%Route unknown40d ago0xf410fe…2fe867
0x0efa…159b0x6d6e…9192Base$0.007100%Route unknown41d ago0x4a1357…744167
0x7e57…2f090x0efa…159bBase$0.02100%Route unknown41d ago0x244d1b…f020dd
0x7e57…2f090x0efa…159bBase$0.02100%Route unknown42d ago0xb4e1ae…e9c7c7
0x7e57…2f090x0efa…159bBase$0.02100%Route unknown43d ago0x731b5e…8fce87
0x7e57…2f090x0efa…159bBase$0.02100%Route unknown44d ago0x64ddda…34b6f3
0x3d79…3cc50x0efa…159bBase$0.02100%Route unknown47d ago0xc7850a…aa2d50
0x3d79…3cc50x0efa…159bBase$0.02100%Route unknown47d ago0xade111…a43617
0x3d79…3cc50x0efa…159bBase$0.02100%Route unknown47d ago0x684c2b…aaf5e3
0x3d79…3cc50x0efa…159bBase$0.02100%Route unknown47d ago0x7c87d9…963612
0x3d79…3cc50x0efa…159bBase$0.02100%Route unknown47d ago0x18fa79…651dd6
0x3d79…3cc50x0efa…159bBase$0.02100%Route unknown48d ago0x06d021…aca36d
0x3d79…3cc50x0efa…159bBase$0.01100%Route unknown48d ago0x879fdd…2654df
0x3d79…3cc50x0efa…159bBase$0.01100%Route unknown48d ago0x82cb76…4f8e6b

Hand this page to an agent

Copy the prompt and paste it into Claude, an MCP client or your own agent — it will check 0x0efa…159b's payment record before paying it over the free read API. No key, no account.

GET www.roundhouse.studio/api/v0/merchants/0x0efaf4ae4f5c6ff674fc64e7eba1b6fe83b6159b

Open skill.md
Show the prompt
Using Roundhouse, tell me whether this x402 merchant is worth paying: how many distinct
agents have paid it, how recently, and for what.

  Merchant wallet: 0x0efaf4ae4f5c6ff674fc64e7eba1b6fe83b6159b

curl -s 'https://www.roundhouse.studio/api/v0/merchants/0x0efaf4ae4f5c6ff674fc64e7eba1b6fe83b6159b'
curl -s 'https://www.roundhouse.studio/api/v0/entities/0x0efaf4ae4f5c6ff674fc64e7eba1b6fe83b6159b/settlements?limit=50'

If you do not have Roundhouse tools or skills installed, read
https://www.roundhouse.studio/skill.md first — it is the whole procedure, and it needs no key.