x402 merchant
VerifyAddressContractBaseOnchain

Is this Base address a contract or a wallet, and is it active? Live read: code size (contract vs EOA), transaction count (nonce), ETH and USDC balance, at the latest block. Pass ?address=0x... . Useful before paying an unknown payTo. No third-party API, no cache.

MerchantReport

0xce2c…77c4

0xce2c5f1b4dd8cb08375bd9ec499dce5f71b477c4Explorer
$0.001
Received
$0.00
Paid out
1
Settlements
1
Distinct counterparties
Over the whole indexed history

Received $0.001 of the $259.19M Roundhouse has indexed across 714,332 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
0xe3ba…3fb3$0.00$0.00118d 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 $0.001 of $0.001 total.

Recent activity

Payer PayeeChainAmountx402RouteAgeTxn hash
0xe3ba…3fb30xce2c…77c4Base$0.001100%coinbase8d ago0xb5605a…7b5f76

Hand this page to an agent

Copy the prompt and paste it into Claude, an MCP client or your own agent — it will check 0xce2c…77c4's payment record before paying it over the free read API. No key, no account.

GET api.roundhouseai.io/v0/merchants/0xce2c5f1b4dd8cb08375bd9ec499dce5f71b477c4

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: 0xce2c5f1b4dd8cb08375bd9ec499dce5f71b477c4

curl -s 'https://api.roundhouseai.io/v0/merchants/0xce2c5f1b4dd8cb08375bd9ec499dce5f71b477c4'
curl -s 'https://api.roundhouseai.io/v0/entities/0xce2c5f1b4dd8cb08375bd9ec499dce5f71b477c4/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.