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
$0.44↑ 220%
Last 7d vs prior 7d
Settlements
439↑ 220%
Last 7d vs prior 7d
79
Distinct counterparties

Chains: Base (439)

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$0.01144h agoGraph
0xbb7f…da37$0.00$0.011215h agoGraph
0x9903…cef5$0.00$0.011119h agoGraph
0x9a8e…cc8e$0.00$0.011019h agoGraph
0xc7e2…6954$0.00$0.011021h agoGraph
0x63ed…6420$0.00$0.011023h agoGraph
0xfba0…d164$0.00$0.01101d agoGraph
0x1a00…9a8d$0.00$0.009913h 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
0xc45a…491e0xb8c5…d67fBase$0.001100%coinbase2h ago0x82d36c…4ed4e0
0xbcda…dc4f0xb8c5…d67fBase$0.001100%coinbase3h ago0xf17706…74cb74
0x798d…116f0xb8c5…d67fBase$0.001100%coinbase3h ago0xcd31a7…2d2817
0xc45a…491e0xb8c5…d67fBase$0.001100%coinbase3h ago0x55ffcd…7f5903
0x7a7b…73930xb8c5…d67fBase$0.001100%coinbase4h ago0x6c6dc1…be0cfc
0x6152…7cb70xb8c5…d67fBase$0.001100%coinbase4h ago0x40f53d…3c27ec
0xbe2d…c6250xb8c5…d67fBase$0.001100%coinbase4h ago0x69ff68…0dd5a2
0xca16…c06d0xb8c5…d67fBase$0.001100%coinbase5h ago0x20ffe9…99dca6
0x61fb…76a10xb8c5…d67fBase$0.001100%coinbase5h ago0x2d8f55…c2cff7
0x8108…38930xb8c5…d67fBase$0.001100%coinbase5h ago0xe5c348…c377d7
0xea96…d8500xb8c5…d67fBase$0.001100%coinbase11h ago0x68a560…cb66d5
0x42b3…029f0xb8c5…d67fBase$0.001100%coinbase11h ago0x13a550…4913c6
0x8108…38930xb8c5…d67fBase$0.001100%coinbase11h ago0xc95da4…700936
0x7478…0f310xb8c5…d67fBase$0.001100%coinbase11h ago0x2c128c…d3b76a
0xaf5e…942d0xb8c5…d67fBase$0.001100%coinbase13h ago0x3a1e54…b41c52
0x83aa…1ac00xb8c5…d67fBase$0.001100%coinbase13h ago0xae3670…c5e24f
0x8481…81110xb8c5…d67fBase$0.001100%coinbase13h ago0xaa9da9…8a412c
0x1a00…9a8d0xb8c5…d67fBase$0.001100%coinbase13h ago0x03d1a2…5764b2
0xb3a4…21f70xb8c5…d67fBase$0.001100%coinbase14h ago0x216489…e7935b
0xbb7f…da370xb8c5…d67fBase$0.001100%coinbase15h ago0xbc026c…23c659
0x28df…a2a70xb8c5…d67fBase$0.001100%coinbase15h ago0x6d75d5…aa9bb8
0x3096…84470xb8c5…d67fBase$0.001100%coinbase15h ago0xc5b0e8…ae9bcf
0x7a7b…73930xb8c5…d67fBase$0.001100%coinbase16h ago0x41b26c…32798a
0x83aa…1ac00xb8c5…d67fBase$0.001100%coinbase17h ago0x62b526…024c54
0xbe2d…c6250xb8c5…d67fBase$0.001100%coinbase17h ago0x873382…9643cf

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.