x402 merchant
402oracle$0.02 / call402oracle.com
VerificationPrice-confirmationCrypto-pricePrice-oracleMarket-data

Confirm a crypto asset's price before your agent trades, quotes, or settles on it. A signed price oracle: cross-checks Coinbase, Kraken, and OKX for a median and flags divergence when sources disagree. Returns a signed attestation your agent can cite.

MerchantReport

0x7a19…6f4a

0x7a19cd388c7f69145fef09b960853e0a429b6f4aExplorer
Inbound volume
$0.70→ 0%
Last 7d vs prior 7d
Settlements
14→ 0%
Last 7d vs prior 7d
4
Distinct counterparties

Chains: Base (14)

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
0x2f58…41a1$0.00$0.61114d agoGraph
0x110d…988a$0.00$0.05116d agoGraph
0xc533…2d7a$0.00$0.0211d agoGraph
0xedc6…d2d0$0.00$0.0219d 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

Hand this page to an agent

Copy the prompt and paste it into Claude, an MCP client or your own agent — it will check 0x7a19…6f4a's payment record before paying it over the free read API. No key, no account.

GET www.roundhouse.studio/api/v0/merchants/0x7a19cd388c7f69145fef09b960853e0a429b6f4a

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: 0x7a19cd388c7f69145fef09b960853e0a429b6f4a

curl -s 'https://www.roundhouse.studio/api/v0/merchants/0x7a19cd388c7f69145fef09b960853e0a429b6f4a'
curl -s 'https://www.roundhouse.studio/api/v0/entities/0x7a19cd388c7f69145fef09b960853e0a429b6f4a/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.