x402 merchant
AMNT$0.005 / callwww.amnt.io ↗
AgentAmntHttp-api

Ethereum Selector Lookup - Call when you are decoding an Ethereum transaction and have only a 4-byte function selector. Send the selector like 0xa9059cbb. Returns every matching human-readable function signature from 4byte.directory, so the call can be named before it is simulated or signed.

MerchantReport

0xbe5a…04eb

0xbe5a1facd5a3a810d094042ceb799f6f4e2804ebExplorer
$0.005
Received
$0.00
Paid out
1
Settlements
1
Distinct counterparties
Over the whole indexed history

Received $0.005 of the $261.96M Roundhouse has indexed across 718,583 wallets — less than 0.0001% of it.

Chains (from the recent scan): Base (1)

Activity

MarAprMayJunJulAugSep
LessMore

One square per day; click a day to see its settlements in the ledger.

Frequent counterparties

CounterpartySent to themReceived from themSettlementsLast
0x67c6…051f$0.00$0.005120d agoGraph

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

Data quality

100% of observed volume is with a single counterparty; all observed volume is with one counterparty, in all 1 observed settlement.

Organic volume $0.005 of $0.005 total.

Recent activity

Payer PayeeChainAmountx402RouteAgeTxn hash
0x67c6…051f0xbe5a…04ebBase$0.005100%coinbase20d ago0x668dcc…52cc36

Hand this page to an agent

Copy the prompt and paste it into Claude, an MCP client or your own agent — it will check 0xbe5a…04eb's payment record before paying it over the free read API. No key, no account.

GET api.roundhouseai.io/v0/merchants/0xbe5a1facd5a3a810d094042ceb799f6f4e2804eb

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: 0xbe5a1facd5a3a810d094042ceb799f6f4e2804eb

curl -s 'https://api.roundhouseai.io/v0/merchants/0xbe5a1facd5a3a810d094042ceb799f6f4e2804eb'
curl -s 'https://api.roundhouseai.io/v0/entities/0xbe5a1facd5a3a810d094042ceb799f6f4e2804eb/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.