x402 merchant
ConvertPriceChainlinkUsdCrypto

Convert an amount of a crypto asset to USD using the live Chainlink price on Base. Pass ?from=ETH&amount=1.5 (assets: ETH, BTC, SOL, LINK, CBETH, AERO, EUR). Returns the rate used, the feed and its age. Oracle value, not a tradable quote. No cache.

MerchantReport

0x9939…5ac3

0x9939fd16c796ea47e3fe89e24ca54fadf8f05ac3Explorer
$0.001
Received
$0.00
Paid out
1
Settlements
1
Distinct counterparties
Over the whole indexed history

Received $0.001 of the $258.56M Roundhouse has indexed across 713,267 walletsless 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$0.00117d 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…3fb30x9939…5ac3Base$0.001100%coinbase7d ago0x2959f4…95db9c

Hand this page to an agent

Copy the prompt and paste it into Claude, an MCP client or your own agent — it will check 0x9939…5ac3's payment record before paying it over the free read API. No key, no account.

GET api.roundhouseai.io/v0/merchants/0x9939fd16c796ea47e3fe89e24ca54fadf8f05ac3

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: 0x9939fd16c796ea47e3fe89e24ca54fadf8f05ac3

curl -s 'https://api.roundhouseai.io/v0/merchants/0x9939fd16c796ea47e3fe89e24ca54fadf8f05ac3'
curl -s 'https://api.roundhouseai.io/v0/entities/0x9939fd16c796ea47e3fe89e24ca54fadf8f05ac3/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.