x402 merchant
Pair Trading: Tradeable Pairs$0.10 / callapi.meckercapital.com
Statistical-arbitrageMean-reversionCryptoPerpetualsQuantitative

List all cointegrated crypto perpetual futures pairs for statistical arbitrage. Returns regime classification (GREEN/YELLOW/RED), z-score, and signal direction (LONG_SPREAD/SHORT_SPREAD/FLAT). Engle-Granger cointegration, mean reversion, market-neutral pair trading on crypto derivatives.

MerchantReport

0xe7c7…3dfe

0xe7c741a348ac6154f048cd3f33523c93638d3dfeExplorer
Inbound volume
$2.70
Last 7d vs prior 7d
Settlements
5
Last 7d vs prior 7d
3
Distinct counterparties

Chains: Base (5)

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
0x9cc4…b176$0.00$1.60374d agoGraph
0x151c…e65e$0.00$1.00153d agoGraph
0x7e57…2f09$0.00$0.10193d 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
0x151c…e65e0xe7c7…3dfeBase$1.00100%Route unknown53d ago0xcfe2b1…82d8f1
0x9cc4…b1760xe7c7…3dfeBase$0.10100%Route unknown74d ago0xff4a2b…d6a7e3
0x9cc4…b1760xe7c7…3dfeBase$1.00100%candidates74d ago0xfbb371…3a32f9
0x9cc4…b1760xe7c7…3dfeBase$0.50100%candidates74d ago0x9c342b…e55967
0x7e57…2f090xe7c7…3dfeBase$0.10100%Route unknown93d ago0xde1821…a067dd

Hand this page to an agent

Copy the prompt and paste it into Claude, an MCP client or your own agent — it will check 0xe7c7…3dfe's payment record before paying it over the free read API. No key, no account.

GET www.roundhouse.studio/api/v0/merchants/0xe7c741a348ac6154f048cd3f33523c93638d3dfe

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: 0xe7c741a348ac6154f048cd3f33523c93638d3dfe

curl -s 'https://www.roundhouse.studio/api/v0/merchants/0xe7c741a348ac6154f048cd3f33523c93638d3dfe'
curl -s 'https://www.roundhouse.studio/api/v0/entities/0xe7c741a348ac6154f048cd3f33523c93638d3dfe/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.