x402 merchant
air-quality-st-louis$0.01 / calldata.intel.rallylive.ca
Air-qualityAqiPm2.5PollutionSt-louis

Air quality in St. Louis right now: European and US AQI, PM2.5, PM10, ozone, nitrogen dioxide, sulphur dioxide and carbon monoxide with a health label, from Open-Meteo Air Quality (CAMS). Outdoor-activity and health decisions for St. Louis. $0.01 per call.

MerchantReport

0xfc24…ebb3

0xfc24fd34da9e49a0110dcaee3ad30ec54175ebb3Explorer
Received
$4.30↓ 52%
Last 7d vs prior 7d
Paid out
$0.00
Last 7d vs prior 7d
Settlements
58↑ 163%
Last 7d vs prior 7d
10
Distinct counterparties
Over the whole indexed history

Received $4.30 of the $258.32M Roundhouse has indexed across 712,831 walletsless than 0.0001% of it.

Chains (from the recent scan): Base (58)

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
0x91d5…0abd$0.00$2.75110d agoGraph
0x69e1…8a19$0.00$0.9093d agoGraph
0x91f1…f880$0.00$0.24242h agoGraph
0xf47c…edd0$0.00$0.14147d agoGraph
0x8749…bc9c$0.00$0.13416h agoGraph
0x0387…848b$0.00$0.05114h agoGraph
0x2a3d…f2d7$0.00$0.0515d agoGraph
0x5760…7db6$0.00$0.0223d agoGraph

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

Data quality

64% of observed volume is with a single counterparty, in all 58 observed settlements.

Recent activity

Payer PayeeChainAmountx402RouteAgeTxn hash
0x91f1…f8800xfc24…ebb3Base$0.01100%payAI2h ago0xa32cdf…8d6b47
0x91f1…f8800xfc24…ebb3Base$0.01100%payAI2h ago0x0021f4…795429
0x0387…848b0xfc24…ebb3Base$0.05100%payAI14h ago0xfdd6fe…e9174e
0x8749…bc9c0xfc24…ebb3Base$0.10100%payAI16h ago0x2b2619…0eb392
0x91f1…f8800xfc24…ebb3Base$0.01100%payAI1d ago0x1a48ab…483966
0x91f1…f8800xfc24…ebb3Base$0.01100%payAI1d ago0x786403…f45d1b
0x91f1…f8800xfc24…ebb3Base$0.01100%payAI1d ago0x907f34…bcf863
0x91f1…f8800xfc24…ebb3Base$0.01100%payAI1d ago0xfbbbf1…1d438d
0x8749…bc9c0xfc24…ebb3Base$0.01100%payAI1d ago0xdebd30…3ff84a
0x91f1…f8800xfc24…ebb3Base$0.01100%payAI1d ago0x88d52a…33163b
0x91f1…f8800xfc24…ebb3Base$0.01100%payAI1d ago0x4c6686…ee0e70
0x91f1…f8800xfc24…ebb3Base$0.01100%payAI1d ago0x1f09c9…ec22de
0x8749…bc9c0xfc24…ebb3Base$0.01100%payAI1d ago0xf4fe03…023313
0x8749…bc9c0xfc24…ebb3Base$0.01100%payAI1d ago0x85c1d4…b8dfec
0x91f1…f8800xfc24…ebb3Base$0.01100%payAI2d ago0x86537c…558354
0x91f1…f8800xfc24…ebb3Base$0.01100%payAI2d ago0x966bcb…470cc0
0x91f1…f8800xfc24…ebb3Base$0.01100%payAI2d ago0xd90e84…16d6c8
0x91f1…f8800xfc24…ebb3Base$0.01100%payAI3d ago0x62d4f2…f80f47
0x91f1…f8800xfc24…ebb3Base$0.01100%payAI3d ago0xa91589…83a0af
0x91f1…f8800xfc24…ebb3Base$0.01100%payAI3d ago0x84705e…70d812
0x5760…7db60xfc24…ebb3Base$0.01100%payAI3d ago0x7cbd3e…6470a4
0x5760…7db60xfc24…ebb3Base$0.01100%payAI3d ago0x4491c2…223662
0x69e1…8a190xfc24…ebb3Base$0.10100%payAI3d ago0x06a5fe…ddc44d
0x69e1…8a190xfc24…ebb3Base$0.10100%payAI4d ago0x300306…6c3735
0x91f1…f8800xfc24…ebb3Base$0.01100%payAI4d ago0x850017…b4f95d

Hand this page to an agent

Copy the prompt and paste it into Claude, an MCP client or your own agent — it will check 0xfc24…ebb3's payment record before paying it over the free read API. No key, no account.

GET api.roundhouseai.io/v0/merchants/0xfc24fd34da9e49a0110dcaee3ad30ec54175ebb3

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: 0xfc24fd34da9e49a0110dcaee3ad30ec54175ebb3

curl -s 'https://api.roundhouseai.io/v0/merchants/0xfc24fd34da9e49a0110dcaee3ad30ec54175ebb3'
curl -s 'https://api.roundhouseai.io/v0/entities/0xfc24fd34da9e49a0110dcaee3ad30ec54175ebb3/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.