x402 merchant
Coin Flip$0.001 / callcoinflip402.vercel.app
GameRandomFun

Flip a coin for a small USDC payment on Base mainnet. Returns heads or tails.

MerchantReport

0xb8c5…d67f

0xb8c578e039aa2c44dd3dec48e6875ba5763cd67fExplorer
Inbound volume
$0.45↑ 429%
Last 7d vs prior 7d
Settlements
449↑ 429%
Last 7d vs prior 7d
80
Distinct counterparties

Chains: Base (449)

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
0xbe2d…c625$0.00$0.01141d agoGraph
0xbb7f…da37$0.00$0.01122d agoGraph
0x9903…cef5$0.00$0.01112d agoGraph
0x9a8e…cc8e$0.00$0.01102d agoGraph
0xc7e2…6954$0.00$0.01102d agoGraph
0x63ed…6420$0.00$0.01102d agoGraph
0xfba0…d164$0.00$0.01103d agoGraph
0x7a7b…7393$0.00$0.00991d 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
0x02b4…df8c0xb8c5…d67fBase$0.001100%coinbase17h ago0x6f8437…b79303
0x7a7b…73930xb8c5…d67fBase$0.001100%coinbase1d ago0xe1d983…b81d2d
0x25a1…ae780xb8c5…d67fBase$0.001100%coinbase1d ago0x2301b2…4efbae
0xca16…c06d0xb8c5…d67fBase$0.001100%coinbase1d ago0x8c4866…4a70d9
0xaf5e…942d0xb8c5…d67fBase$0.001100%coinbase1d ago0x448121…86b29f
0x42b3…029f0xb8c5…d67fBase$0.001100%coinbase1d ago0xf12c8d…6c2349
0x8481…81110xb8c5…d67fBase$0.001100%coinbase1d ago0xa2abb0…6695f5
0x965d…3b390xb8c5…d67fBase$0.001100%coinbase1d ago0x871abb…6a0a0d
0x9e31…e7dc0xb8c5…d67fBase$0.001100%coinbase1d ago0xdc841d…f149af
0x92c5…20030xb8c5…d67fBase$0.001100%coinbase1d ago0x44b370…9b4cf1
0xc45a…491e0xb8c5…d67fBase$0.001100%coinbase1d ago0x82d36c…4ed4e0
0xbcda…dc4f0xb8c5…d67fBase$0.001100%coinbase1d ago0xf17706…74cb74
0x798d…116f0xb8c5…d67fBase$0.001100%coinbase1d ago0xcd31a7…2d2817
0xc45a…491e0xb8c5…d67fBase$0.001100%coinbase1d ago0x55ffcd…7f5903
0x7a7b…73930xb8c5…d67fBase$0.001100%coinbase1d ago0x6c6dc1…be0cfc
0x6152…7cb70xb8c5…d67fBase$0.001100%coinbase1d ago0x40f53d…3c27ec
0xbe2d…c6250xb8c5…d67fBase$0.001100%coinbase1d ago0x69ff68…0dd5a2
0xca16…c06d0xb8c5…d67fBase$0.001100%coinbase1d ago0x20ffe9…99dca6
0x61fb…76a10xb8c5…d67fBase$0.001100%coinbase1d ago0x2d8f55…c2cff7
0x8108…38930xb8c5…d67fBase$0.001100%coinbase1d ago0xe5c348…c377d7
0xea96…d8500xb8c5…d67fBase$0.001100%coinbase1d ago0x68a560…cb66d5
0x42b3…029f0xb8c5…d67fBase$0.001100%coinbase1d ago0x13a550…4913c6
0x8108…38930xb8c5…d67fBase$0.001100%coinbase2d ago0xc95da4…700936
0x7478…0f310xb8c5…d67fBase$0.001100%coinbase2d ago0x2c128c…d3b76a
0xaf5e…942d0xb8c5…d67fBase$0.001100%coinbase2d ago0x3a1e54…b41c52

Hand this page to an agent

Copy the prompt and paste it into Claude, an MCP client or your own agent — it will check 0xb8c5…d67f's payment record before paying it over the free read API. No key, no account.

GET www.roundhouse.studio/api/v0/merchants/0xb8c578e039aa2c44dd3dec48e6875ba5763cd67f

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: 0xb8c578e039aa2c44dd3dec48e6875ba5763cd67f

curl -s 'https://www.roundhouse.studio/api/v0/merchants/0xb8c578e039aa2c44dd3dec48e6875ba5763cd67f'
curl -s 'https://www.roundhouse.studio/api/v0/entities/0xb8c578e039aa2c44dd3dec48e6875ba5763cd67f/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.