x402 merchant
x402-solvers$0.001 / callx402-solvers.onrender.com ↗
DefiArbitrageTradingSignal

Detect whether an arbitrage opportunity exists in a set of token exchange rates (multi-pool negative-cycle scan). Cheap boolean + magnitude signal for trading agents. POST a swap-rate graph, get back whether a profitable cycle exists and how large — without the path.

MerchantReport

0xa238…0dcd

0xa238af2e66d9d7301f2d02932931851ddf900dcdExplorer
Received
$0.01↑ 100%
Last 7d vs prior 7d
Paid out
$0.00
Last 7d vs prior 7d
Settlements
11↑ 100%
Last 7d vs prior 7d
7
Distinct counterparties
Over the whole indexed history

Received $0.01 of the $260.74M Roundhouse has indexed across 716,479 wallets — less than 0.0001% of it.

Chains (from the recent scan): Base (11)

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
0xb8e6…56dc$0.00$0.004424d agoGraph
0xc533…2d7a$0.00$0.002226d agoGraph
0x54e1…f4e0$0.00$0.001110h agoGraph
0xc9c7…1670$0.00$0.00111d agoGraph
0xe3ba…3fb3$0.00$0.001111d agoGraph
0x2ebe…89d3$0.00$0.001114d agoGraph
0x72f6…04c4$0.00$0.001146d 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 11 observed settlements.

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 0xa238…0dcd's payment record before paying it over the free read API. No key, no account.

GET api.roundhouseai.io/v0/merchants/0xa238af2e66d9d7301f2d02932931851ddf900dcd

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: 0xa238af2e66d9d7301f2d02932931851ddf900dcd

curl -s 'https://api.roundhouseai.io/v0/merchants/0xa238af2e66d9d7301f2d02932931851ddf900dcd'
curl -s 'https://api.roundhouseai.io/v0/entities/0xa238af2e66d9d7301f2d02932931851ddf900dcd/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.