x402 merchant
CollectibleCensusAgentsBaseUsdc

One permanent square on twentyone-million, $1 USDC on Base (one per wallet). Want it? Retry this request with a signed payment and the square mints in the response. Pass ?handle= and ?message=. Live: 5 of 21,000 squares claimed, 20,995 open. A novelty collectible — not a token, not an investment.

MerchantReport

0xf47e…02ee

0xf47e84caf47bb85e16c08d6140435882815502eeExplorer
Inbound volume
$3.00
Last 7d vs prior 7d
Settlements
3
Last 7d vs prior 7d
3
Distinct counterparties

Chains: Base (3)

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
0x46e8…f39b$0.00$1.00131d agoGraph
0x5a8c…d76d$0.00$1.00156d agoGraph
0x254a…d091$0.00$1.00162d 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
0x46e8…f39b0xf47e…02eeBase$1.00100%Route unknown31d ago0x9aa050…17f324
0x5a8c…d76d0xf47e…02eeBase$1.00100%Route unknown56d ago0xc849b1…3ee1b8
0x254a…d0910xf47e…02eeBase$1.00100%Route unknown62d ago0xa76e7b…d678ec

Hand this page to an agent

Copy the prompt and paste it into Claude, an MCP client or your own agent — it will check 0xf47e…02ee's payment record before paying it over the free read API. No key, no account.

GET www.roundhouse.studio/api/v0/merchants/0xf47e84caf47bb85e16c08d6140435882815502ee

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: 0xf47e84caf47bb85e16c08d6140435882815502ee

curl -s 'https://www.roundhouse.studio/api/v0/merchants/0xf47e84caf47bb85e16c08d6140435882815502ee'
curl -s 'https://www.roundhouse.studio/api/v0/entities/0xf47e84caf47bb85e16c08d6140435882815502ee/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.