0x99ff…ac0a
Paid $0.11 of the $259.19M Roundhouse has indexed across 714,332 wallets — less than 0.0001% of it.
Chains (from the recent scan): Base (19)
What it buys
Grouped by the capability each merchant's catalogue is mostly about. A merchant counts once, in one group — nothing records which of its endpoints a payment bought.
| Group | Share | Spent | Calls | Sellers |
|---|---|---|---|---|
| Not in any catalogue | 58% | $0.06 | 6 | 5 |
| Crypto Markets | 30% | $0.03 | 6 | 4 |
| Web & Content | 6% | $0.006 | 1 | 1 |
| Onchain Data | 5% | $0.005 | 1 | 1 |
| Location & Weather | 2% | $0.002 | 1 | 1 |
Every merchant paid publishes at least one catalogued endpoint.
Services it paid
A settlement carries the payee and the amount, never the URL. These are the endpoints each payee publishes; for 12 of 12 the amount paid narrows the list to the ones listed at that price.
- 0x9700…d3ab · last paid 5d ago$0.022 calls
▸26 of 90 catalogued endpoints list a price this agent paid
- /api/v1/paid/timePrice match$0.01 listed
- /api/v1/paid/echoPrice match$0.01 listed
- /api/v1/paid/bazaar-pulse$0.002 listed
- /api/v1/paid/base-gas-priceGas price$0.002 listed
- /api/v1/paid/base-block-number$0.002 listed
- /api/v1/paid/crypto-price$0.004 listed
- /api/v1/paid/bazaar-price-stats$0.002 listed
- /api/v1/paid/x402-facilitator-health$0.003 listed
82 further catalogued endpoints not listed.
- 0xdd25…2ec0 · last paid 22d ago$0.021 call
▸20 of 141 catalogued endpoints list a price this agent paid
- /api/seats-aero/searchPrice match$0.02 listed
- /api/seats-aero/availability$0.04 listed
- /api/hotels/search$0.03 listed
- /api/flights/search$0.05 listed
- /api/reference/locations$0.0054 listed
- /api/hotels/list$0.03 listed
- /api/flights/availability$0.03 listed
- /api/hotels/autocomplete$0.0054 listed
133 further catalogued endpoints not listed.
- 0x50ab…12fc · last paid 21d ago$0.021 call
▸3 of 200 catalogued endpoints list a price this agent paid
- /api/defiPrediction market odds$0.10 listed
- /api/parks/crowds$0.08 listed
- /api/travel/visa$0.08 listed
- /api/etfPrediction market odds$0.10 listed
- /api/energy/carbon-intensity$0.01 listed
- /api/cryptoPrediction market odds$0.07 listed
- /api/yield$0.10 listed
- /api/trade/tariff$0.12 listed
192 further catalogued endpoints not listed.
- 0xabf4…a9d0 · last paid 1d ago$0.012 calls
▸74 of 200 catalogued endpoints list a price this agent paid
- /api/hashPrice match$0.001 listed
- /v1/metered/chat/completionsPrice matchText completion$0.001 listed
- /api/perp-fundingPerp funding and open interest$0.002 listed
- /api/perp-basis$0.002 listed
- /api/ttsText to speech$0.05 listed
- /api/bestsellers$0.005 listed
- /api/demand-radar$0.005 listed
- /v1/nano/chat/completionsText completion$0.003 listed
192 further catalogued endpoints not listed.
- 0xb15a…ef59 · last paid 14d ago$0.011 call
▸7 of 7 catalogued endpoints list a price this agent paid
- /v1/x402/swap-allowance-holder-quote/Price match$0.01 listed
- /v1/x402/swap-allowance-holder-quotePrice match$0.01 listed
- /v1/x402/swap-allowance-holder-price/Price match$0.01 listed
- /v1/x402/86b0ec6d1d0b3dc0/swap-allowance-holder-quote/Price match$0.01 listed
- /v1/x402/86b0ec6d1d0b3dc0/swap-allowance-holder-price/Price match$0.01 listed
- /v1/x402/swap-allowance-holder-price/pricePrice matchCrypto spot price$0.01 listed
- /v1/x402/swap-allowance-holder-quote/swap/allowance-holder/quotePrice matchCrypto spot price$0.01 listed
- 0x0e84…b808 · last paid 9d ago$0.0062 calls
▸39 of 80 catalogued endpoints list a price this agent paid
- /tweet-searchPrice match$0.005 listed
- /crypto-newsPrice match$0.001 listed
- /base-ecosystem-newsPrice match$0.001 listed
- /rh-seasonPrice match$0.001 listed
- /pools-trendingPrice match$0.001 listed
- /equity-news$0.003 listed
- /market-risk$0.002 listed
- /base-season$0.002 listed
72 further catalogued endpoints not listed.
- 0x9dba…0df8 · last paid 19d ago$0.0061 call
▸3 of 31 catalogued endpoints list a price this agent paid
- /tweets/mentionsPrice match$0.006 listed
- /tweets/searchPrice matchWeb search$0.006 listed
- /tweets/by/id$0.0025 listed
- /tweets/user$0.01 listed
- /users/by/username$0.005 listed
- /users/by/id$0.005 listed
- /lists/tweets$0.01 listed
- /tweets/quote_tweets$0.01 listed
23 further catalogued endpoints not listed.
- 0x0d08…5b44 · last paid 14d ago$0.0051 call
▸1 of 5 catalogued endpoints list a price this agent paid
- /gasPrice matchGas price$0.005 listed
- /gas/cheapest-windowGas price$0.02 listed
- /gas/historyGas price$0.01 listed
- /api/fortune$0.001 listed
- /gas/compareGas price$0.01 listed
- 0x2932…4f60 · last paid 16d ago$0.0051 call
▸4 of 83 catalogued endpoints list a price this agent paid
- /tick/latestPrice match$0.005 listed
- /tick/allPrice match$0.005 listed
- /tick/symbolsPrice match$0.005 listed
- /mailcheck/validateEmail verification$0.01 listed
- /weather/current$0.01 listed
- /scout/x$0.20 listed
- /whale/lookup$0.01 listed
- /weather/forecastWeather forecast$0.01 listed
75 further catalogued endpoints not listed.
- 0x2b6d…32c5 · last paid 15d ago$0.00451 call
▸5 of 200 catalogued endpoints list a price this agent paid
- /api/stocks/quotePrice matchCrypto spot price$0.0045 listed
- /api/geocode/reverseGeocoding$0.0025 listed
- /api/geocode/address$0.0025 listed
- /api/search/ai$0.05 listed
- /api/url/clean$0.0027 listed
- /api/stocks/earnings-surprises$0.0025 listed
- /api/stocks/metrics$0.0025 listed
- /api/predict/searchWeb search$0.01 listed
192 further catalogued endpoints not listed.
- 0xcf92…42fb · last paid 12d ago$0.0021 call
▸4 of 20 catalogued endpoints list a price this agent paid
- /api/v1/kimchi-premiumPrice match$0.002 listed
- /api/v1/kr-pricesPrice match$0.002 listed
- /api/v1/stablecoin-premiumPrice match$0.002 listed
- /api/v1/fx-rate$0.001 listed
- /api/v1/arbitrage-scanner$0.01 listed
- /api/v1/buyers/:address/profile$0.005 listed
- /api/v1/kr-sentiment$0.05 listed
- /api/v1/market-read$0.10 listed
12 further catalogued endpoints not listed.
- 0x38c0…44c8 · last paid 16d ago$0.0021 call
▸15 of 55 catalogued endpoints list a price this agent paid
- /api/price/btc-usdPrice match$0.002 listed
- /api/price/eth-usdPrice match$0.002 listed
- /api/price/sol-usdPrice match$0.002 listed
- /api/exchange/convertPrice matchCurrency conversion$0.002 listed
- /api/price/base-gas$0.001 listed
- /api/address-risk$0.03 listed
- /api/gasGas price$0.001 listed
- /api/news/crypto$0.008 listed
47 further catalogued endpoints not listed.
One merchant publishes more endpoints than a single catalogue read returns; its list is partial.
Funds flow over time
Activity
One square per day; click a day to see its settlements in the ledger.
Frequent counterparties
| Counterparty | Paid them | Received back | Settlements | Last | |
|---|---|---|---|---|---|
| 0x9700…d3ab | $0.02 | $0.00 | 2 | 5d ago | Graph |
| 0xdd25…2ec0 | $0.02 | $0.00 | 1 | 22d ago | Graph |
| 0x50ab…12fc | $0.02 | $0.00 | 1 | 21d ago | Graph |
| 0xabf4…a9d0 | $0.01 | $0.00 | 2 | 1d ago | Graph |
| 0xb15a…ef59 | $0.01 | $0.00 | 1 | 14d ago | Graph |
| 0x0e84…b808 | $0.006 | $0.00 | 2 | 9d ago | Graph |
| 0x9dba…0df8 | $0.006 | $0.00 | 1 | 19d ago | Graph |
| memosr.eth | $0.005 | $0.00 | 1 | 14d ago | Graph |
Ranked by settled amount over this wallet's recent settlement window — who it normally transacts with.
No concentration or self-dealing patterns detected in all 19 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 what 0x99ff…ac0a has actually paid for over the free read API. No key, no account.
GET api.roundhouseai.io/v0/agents/0x99ffdbb7fbe7217176fb92b2c2e3d01cf1fcac0a
Show the promptHide the prompt
Using Roundhouse, vet this agent for me: what is it, what has it paid for, and does its on-chain record support what its card claims? Agent: 0x99ff…ac0a curl -s 'https://api.roundhouseai.io/v0/agents/0x99ffdbb7fbe7217176fb92b2c2e3d01cf1fcac0a' curl -s 'https://api.roundhouseai.io/v0/entities/0x99ffdbb7fbe7217176fb92b2c2e3d01cf1fcac0a/settlements' Roundhouse indexes public chain data and does not vouch for any agent's claims — treat the card as a claim and the settlements as the evidence. 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.