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

0x1f3f…fb46

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 $259.19M Roundhouse has indexed across 714,332 wallets — less than 0.0001% of it.

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

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
0xf286…86d0$0.00$7.00722d agoGraph
0x2d44…7ab4$0.00$4.00421d agoGraph
0x6898…2198$0.00$3.00322d agoGraph
0xc9c7…1670$0.00$1.00118d agoGraph
0x7228…9501$0.00$1.00120d 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 0x1f3f…fb46'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. 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.