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
Received
$0.67↓ 48%
Last 7d vs prior 7d
Paid out
$0.00
Last 7d vs prior 7d
Settlements
666↓ 48%
Last 7d vs prior 7d
98
Distinct counterparties
Over the whole indexed history

Received $0.67 of the $258.56M Roundhouse has indexed across 713,267 walletsless than 0.0001% of it.

Chains (from the recent scan): Base (666)

Funds flow over time

Activity

MarAprMayJunJulAugSep
LessMore

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

Frequent counterparties

CounterpartySent to themReceived from themSettlementsLast
0x8d2a…7d37$0.00$0.076717d agoGraph
0xbe2d…c625$0.00$0.02155d agoGraph
0xfba0…d164$0.00$0.01145d agoGraph
0x9903…cef5$0.00$0.011310d agoGraph
0xbb7f…da37$0.00$0.011310d agoGraph
0x4bd0…22ca$0.00$0.01125d agoGraph
0x7a2c…fa9c$0.00$0.01125d agoGraph
0xc85f…0604$0.00$0.011231d 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 all 666 observed settlements.

Recent activity

Payer PayeeChainAmountx402RouteAgeTxn hash
0x86a7…a8590xb8c5…d67fBase$0.001100%coinbase15h ago0xce7476…9dd02f
0xa19f…accc0xb8c5…d67fBase$0.001100%coinbase1d ago0x7b612b…ce671a
0xd9ec…145e0xb8c5…d67fBase$0.001100%coinbase1d ago0x0f498b…23ca7f
0x4c29…94940xb8c5…d67fBase$0.001100%coinbase1d ago0xf8925d…577da6
0x9dc1…e94f0xb8c5…d67fBase$0.001100%coinbase2d ago0x23bb86…1e1041
0x798d…116f0xb8c5…d67fBase$0.001100%coinbase2d ago0x4d6a56…851392
quelia.eth0xb8c5…d67fBase$0.001100%coinbase4d ago0x13a408…bdbb74
0x530f…2a060xb8c5…d67fBase$0.001100%coinbase5d ago0x8ce9a0…78acae
0xfba0…d1640xb8c5…d67fBase$0.001100%coinbase5d ago0x0b5b61…225288
0x28df…a2a70xb8c5…d67fBase$0.001100%coinbase5d ago0x3a60d7…3b6900
0x4550…f8b30xb8c5…d67fBase$0.001100%coinbase5d ago0xada6f1…de18c0
0x4cf8…57b10xb8c5…d67fBase$0.001100%coinbase5d ago0x8c43b5…101da0
0xf7fc…f2760xb8c5…d67fBase$0.001100%coinbase5d ago0xd4d61a…1fa7b1
0x4bd0…22ca0xb8c5…d67fBase$0.001100%coinbase5d ago0x0dc095…86a3a8
0xbe2d…c6250xb8c5…d67fBase$0.001100%coinbase5d ago0x3157bf…285d46
0x3382…8e570xb8c5…d67fBase$0.001100%coinbase5d ago0x2f01bb…7d5652
0xcdc2…4d190xb8c5…d67fBase$0.001100%coinbase5d ago0x7cc0ab…4e6b32
0xaf5e…942d0xb8c5…d67fBase$0.001100%coinbase5d ago0xb24780…ef39c2
0x0145…ae880xb8c5…d67fBase$0.001100%coinbase5d ago0x16de6b…a045e0
0xb3a4…21f70xb8c5…d67fBase$0.001100%coinbase5d ago0x11ab33…16cd85
0x7a2c…fa9c0xb8c5…d67fBase$0.001100%coinbase5d ago0xc84ada…6c2086
0xd6b3…dc2c0xb8c5…d67fBase$0.001100%coinbase5d ago0xcd8df6…d26473
0x8ddc…75740xb8c5…d67fBase$0.001100%coinbase5d ago0xd3e6fa…32b463
0x83aa…1ac00xb8c5…d67fBase$0.001100%coinbase5d ago0x06f126…5d0f6b
0x9e31…e7dc0xb8c5…d67fBase$0.001100%coinbase5d ago0xb59c74…9b6b5a

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 api.roundhouseai.io/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://api.roundhouseai.io/v0/merchants/0xb8c578e039aa2c44dd3dec48e6875ba5763cd67f'
curl -s 'https://api.roundhouseai.io/v0/entities/0xb8c578e039aa2c44dd3dec48e6875ba5763cd67f/settlements?limit=50'

The /v0 API needs an API key (`authorization: Bearer rh_live_…`) on everything except
/v0/unified* and /v0/endpoints. Mint a personal key for $0.01 at GET https://api.roundhouseai.io/v0/test/x402,
or use an organization key from https://roundhouseai.io/dashboard/team.

If you do not have Roundhouse tools or skills installed, read
https://roundhouseai.io/skill.md first — it is the whole procedure.