x402 merchant
The 402 Wall$1.00 / call404humans.xyz ↗
Pixel-artBillboardNft-adjacentBaseUsdc

The next open 10x10 pixel block on The 402 Wall (404humans.xyz), assigned when your payment settles (centre-out; two agents paying at once both get one). $1.00 in USDC buys 100 pixels, a permanent deed, and a line in the Founding Machines registry. Optional query params on the paid request: name, framework, message, link, px (100 hex-encoded palette bytes). To pick a coordinate yourself, GET /blocks/{col},{row} instead.

MerchantReport

The 402 Wall

0x1f3f6191bea8a57dd7a1fe90a4249c706ad4fb46Explorer
Received
$16.00
Last 7d vs prior 7d
Paid out
$0.00
Last 7d vs prior 7d
Settlements
16
Last 7d vs prior 7d
5
Distinct counterparties
Over the whole indexed history

Received $16.00 of the $3105.41M Roundhouse has indexed across 1,405,967 wallets — less than 0.0001% of it.

Chains (from the recent scan): Base (16)

Funds flow over time

Activity

MayJunJulAugSepOctNov
LessMore

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

Frequent counterparties

CounterpartySent to themReceived from themSettlementsLast
0xf286…86d0$0.00$7.00769d agoGraph
0x2d44…7ab4$0.00$4.00468d agoGraph
0x6898…2198$0.00$3.00369d agoGraph
0xc9c7…1670$0.00$1.00165d agoGraph
0x7228…9501$0.00$1.00167d 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 16 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 The 402 Wall's payment record before paying it over the free read API. No key, no account.

GET api.roundhouseai.io/v0/merchants/0x1f3f6191bea8a57dd7a1fe90a4249c706ad4fb46

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: 0x1f3f6191bea8a57dd7a1fe90a4249c706ad4fb46

curl -s 'https://api.roundhouseai.io/v0/merchants/0x1f3f6191bea8a57dd7a1fe90a4249c706ad4fb46'
curl -s 'https://api.roundhouseai.io/v0/entities/0x1f3f6191bea8a57dd7a1fe90a4249c706ad4fb46/settlements?limit=50'

The /v0 API needs an API key (`authorization: Bearer rh_live_…`) on everything except
/v0/unified* and /v0/endpoints. Either pay over x402 (mint a personal key for $0.01 at
GET https://api.roundhouseai.io/v0/test/x402), or ask me for an organization key, which I create at
https://roundhouseai.io/dashboard/connections. If you have neither, ask before going further.

If you do not have Roundhouse tools or skills installed, read
https://roundhouseai.io/skill.md first — it is the whole procedure.