Roundhouse
x402 merchant
Vision Research Briefs$0.10 / callpromoting-slip-solve-ctrl.trycloudflare.com ↗
ResearchCatalystChallenge-memoVisionUsdc

Vision catalyst brief for NVDA ($0.10 USDC on Base). Research only.

MerchantReport

0x3888…9dcf

0x3888b9c541e77df0e4d9a9b7948e9f68ad349dcfExplorer
Inbound volume
$7.53↑ 100%
Last 7d vs prior 7d
Settlements
26↑ 100%
Last 7d vs prior 7d
4
Distinct counterparties

Chains: Base (26)

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
0xb561…c0e5$0.00$6.97214d agoGraph
0x6777…3986$0.00$0.4537d agoGraph
0x2a07…7bae$0.00$0.1015d agoGraph
0x7e57…2f09$0.00$0.01138d agoGraph

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

Data quality

93% of observed volume is with a single counterparty.

Organic volume $7.53 of $7.53 total.

Recent activity

Payer PayeeChainAmountx402RouteAgeTxn hash
0xb561…c0e50x3888…9dcfBase$0.10100%coinbase4d ago0x368c5c…0ccb33
0x2a07…7bae0x3888…9dcfBase$0.10100%coinbase5d ago0x608fd9…6e1c85
0x6777…39860x3888…9dcfBase$0.10100%coinbase7d ago0x4f0dff…c85664
0x6777…39860x3888…9dcfBase$0.25100%Route unknown17d ago0x37e7bf…9beb0b
0x6777…39860x3888…9dcfBase$0.10100%Route unknown17d ago0x1d6300…433ad5
0xb561…c0e50x3888…9dcfBase$0.25100%Route unknown19d ago0xb1e2a3…4e2f9e
0xb561…c0e50x3888…9dcfBase$0.10100%Route unknown28d ago0x4cb73d…5e1760
0xb561…c0e50x3888…9dcfBase$0.10100%Route unknown28d ago0xb8d80b…9b309a
0xb561…c0e50x3888…9dcfBase$0.10100%Route unknown28d ago0x49c477…4dfc5b
0xb561…c0e50x3888…9dcfBase$0.10100%Route unknown32d ago0xfa0e15…3d551c
0xb561…c0e50x3888…9dcfBase$0.10100%Route unknown34d ago0x395f64…360720
0xb561…c0e50x3888…9dcfBase$0.10100%Route unknown34d ago0x688c9b…7834a2
0xb561…c0e50x3888…9dcfBase$5.00100%Route unknown35d ago0x005e76…a8e849
0xb561…c0e50x3888…9dcfBase$0.10100%Route unknown35d ago0xcdd880…3b7965
0xb561…c0e50x3888…9dcfBase$0.10100%Route unknown35d ago0x863236…0a4e16
0xb561…c0e50x3888…9dcfBase$0.10100%Route unknown35d ago0x563aca…22de31
0xb561…c0e50x3888…9dcfBase$0.10100%Route unknown35d ago0xfe5290…bc1200
0xb561…c0e50x3888…9dcfBase$0.10100%Route unknown35d ago0xdeb4bd…698d98
0xb561…c0e50x3888…9dcfBase$0.10100%Route unknown35d ago0x1b5b48…09fcd7
0xb561…c0e50x3888…9dcfBase$0.10100%Route unknown35d ago0xfff0fc…4fce36
0xb561…c0e50x3888…9dcfBase$0.10100%Route unknown35d ago0xe7f435…2f64db
0x7e57…2f090x3888…9dcfBase$0.01100%Route unknown38d ago0x8e4e5f…14d7ce
0xb561…c0e50x3888…9dcfBase$0.01100%Route unknown39d ago0x4d1d0d…19955f
0xb561…c0e50x3888…9dcfBase$0.01100%Route unknown39d ago0x08f6ba…ab11a5
0xb561…c0e50x3888…9dcfBase$0.10100%Route unknown39d ago0x653162…b0e30f

Hand this page to an agent

Copy the prompt and paste it into Claude, an MCP client or your own agent — it will check 0x3888…9dcf's payment record before paying it over the free read API. No key, no account.

GET www.roundhouse.studio/api/v0/merchants/0x3888b9c541e77df0e4d9a9b7948e9f68ad349dcf

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: 0x3888b9c541e77df0e4d9a9b7948e9f68ad349dcf

curl -s 'https://www.roundhouse.studio/api/v0/merchants/0x3888b9c541e77df0e4d9a9b7948e9f68ad349dcf'
curl -s 'https://www.roundhouse.studio/api/v0/entities/0x3888b9c541e77df0e4d9a9b7948e9f68ad349dcf/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.