x402 merchant
FinanceCurrencyFxEcbConversion

Convert amounts between ISO 4217 currencies using ECB daily reference rates (Frankfurter). Use for invoices, travel budgets, expense reports, and shopping comparisons when you need a verifiable rate instead of LLM arithmetic. Not live tradable FX — rates follow ECB business-day publication.

MerchantReport

0x5553…d112

0x555379f9f4750eb34ffc8b3daf8eda2ea0f6d112Explorer
Inbound volume
$0.02
Last 7d vs prior 7d
Settlements
4
Last 7d vs prior 7d
2
Distinct counterparties

Chains: Base (4)

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
0x3d00…04f9$0.00$0.0231d agoGraph
0xc533…2d7a$0.00$0.00111d agoGraph

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

Data quality

95% of observed volume is with a single counterparty.

Organic volume $0.02 of $0.02 total.

Recent activity

Hand this page to an agent

Copy the prompt and paste it into Claude, an MCP client or your own agent — it will check 0x5553…d112's payment record before paying it over the free read API. No key, no account.

GET www.roundhouse.studio/api/v0/merchants/0x555379f9f4750eb34ffc8b3daf8eda2ea0f6d112

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: 0x555379f9f4750eb34ffc8b3daf8eda2ea0f6d112

curl -s 'https://www.roundhouse.studio/api/v0/merchants/0x555379f9f4750eb34ffc8b3daf8eda2ea0f6d112'
curl -s 'https://www.roundhouse.studio/api/v0/entities/0x555379f9f4750eb34ffc8b3daf8eda2ea0f6d112/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.