x402 merchant
Brazilayer CNPJ Registry$0.001 / callapi.brazilayer.com
BrazilCnpjKybVerification

Does this CNPJ exist in the official Receita Federal registry, and is it active? Returns existence, registration status (situacao_cadastral: Ativa=active, Suspensa=suspended, Baixada=closed) with date, headquarters/branch flag and state. Cheapest paid check in the catalog: digit arithmetic alone cannot tell a well-formed number from a real, active company. Free sample, no payment: https://api.brazilayer.com/v1/cnpj/amostra

MerchantReport

0x3cc1…3f0c

0x3cc1d8ee1dfdfd326c19b0884b8df4b24b623f0cExplorer
Received
$5.14↓ 85%
Last 7d vs prior 7d
Paid out
$0.00
Last 7d vs prior 7d
Settlements
397↓ 5.6%
Last 7d vs prior 7d
23
Distinct counterparties
Over the whole indexed history

Received $5.14 of the $258.04M Roundhouse has indexed across 712,360 walletsless than 0.0001% of it.

Chains (from the recent scan): Base (397)

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
0x94ed…91cc$0.00$4.0427111d agoGraph
0xc9c7…1670$0.00$0.281319h agoGraph
0x7e57…2f09$0.00$0.191960d agoGraph
0xa19f…accc$0.00$0.17622h agoGraph
0xc59e…98dc$0.00$0.112426d agoGraph
0x8920…3a7e$0.00$0.112140d agoGraph
0x72f6…04c4$0.00$0.10444d agoGraph
0x54e1…f4e0$0.00$0.03915d agoGraph

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

Data quality

79% of observed volume is with a single counterparty, in all 397 observed settlements.

Recent activity

Payer PayeeChainAmountx402RouteAgeTxn hash
0x7ef1…4ae20x3cc1…3f0cBase$0.001100%coinbase12m ago0x80332a…f8769c
0xc9c7…16700x3cc1…3f0cBase$0.002100%coinbase19h ago0x6e81b1…499346
0x79f8…f7580x3cc1…3f0cBase$0.002100%coinbase22h ago0xf46f71…0fa88f
0xa19f…accc0x3cc1…3f0cBase$0.005100%coinbase22h ago0x48db2e…1738ef
0xa19f…accc0x3cc1…3f0cBase$0.05100%coinbase23h ago0x2b5640…330cde
0xd9ec…145e0x3cc1…3f0cBase$0.001100%coinbase1d ago0xca444d…a27497
0x7ef1…4ae20x3cc1…3f0cBase$0.001100%coinbase2d ago0x919d5b…ebbf34
0xc9c7…16700x3cc1…3f0cBase$0.002100%coinbase2d ago0x5cf383…45eac7
0x7ef1…4ae20x3cc1…3f0cBase$0.001100%coinbase3d ago0x827cc8…f826e7
0x79f8…f7580x3cc1…3f0cBase$0.005100%coinbase3d ago0xd0f6a3…610988
0x7ef1…4ae20x3cc1…3f0cBase$0.001100%coinbase4d ago0x7ce833…7ba6c7
0x35ed…3e590x3cc1…3f0cBase$0.001100%coinbase4d ago0xdedb2c…07aaaa
0x35ed…3e590x3cc1…3f0cBase$0.005100%coinbase4d ago0xf34152…51631c
0x35ed…3e590x3cc1…3f0cBase$0.005100%coinbase4d ago0x4f0660…d2fa38
0x35ed…3e590x3cc1…3f0cBase$0.005100%coinbase4d ago0xc04ef8…7b7bc5
0x35ed…3e590x3cc1…3f0cBase$0.005100%coinbase4d ago0xcac230…c95c8e
0x7ef1…4ae20x3cc1…3f0cBase$0.001100%coinbase5d ago0x372e70…e075c0
0xc9c7…16700x3cc1…3f0cBase$0.005100%coinbase6d ago0x340302…e9cc36
0xc9c7…16700x3cc1…3f0cBase$0.005100%coinbase6d ago0xf2fdbb…add782
0x7dd8…17d20x3cc1…3f0cBase$0.001100%coinbase6d ago0xabff84…b44e98
0xa19f…accc0x3cc1…3f0cBase$0.005100%coinbase7d ago0x84c5ed…30270f
0xa19f…accc0x3cc1…3f0cBase$0.05100%coinbase7d ago0x1db90b…46b32c
0x9a07…9eea0x3cc1…3f0cBase$0.002100%coinbase8d ago0x762b40…922a79
0x94ed…91cc0x3cc1…3f0cBase$0.002100%coinbase11d ago0x65dd86…bca30c
0x94ed…91cc0x3cc1…3f0cBase$0.09100%coinbase11d ago0x1cd4c6…bcba76

Hand this page to an agent

Copy the prompt and paste it into Claude, an MCP client or your own agent — it will check 0x3cc1…3f0c's payment record before paying it over the free read API. No key, no account.

GET api.roundhouseai.io/v0/merchants/0x3cc1d8ee1dfdfd326c19b0884b8df4b24b623f0c

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: 0x3cc1d8ee1dfdfd326c19b0884b8df4b24b623f0c

curl -s 'https://api.roundhouseai.io/v0/merchants/0x3cc1d8ee1dfdfd326c19b0884b8df4b24b623f0c'
curl -s 'https://api.roundhouseai.io/v0/entities/0x3cc1d8ee1dfdfd326c19b0884b8df4b24b623f0c/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.