x402 merchant
Groundcheck$0.02 / callgroundcheck.seiche.info
GroundingCitationsVerified-dataDelivery-receiptsAgentic-commerce

Claim grounding and citation attestation for AI agents: verified enrichment that adds a veracity field to text. Each factual claim is grounded against live web sources (Wikipedia + world news) and returned with a machine-verified verdict (supported/refuted/unverified), a confidence score, and cited sources. Refuses to guess on conflicting evidence. Built for research agents that must cite, citation-locked content, and compliance checks.

MerchantReport

0x5b4a…0ea1

0x5b4a78b7efe482d1579e287da6f0043f89cf0ea1Explorer
Inbound volume
$0.24
Last 7d vs prior 7d
Settlements
12
Last 7d vs prior 7d
2
Distinct counterparties

Chains: Base (12)

Funds flow over time

Activity

MarAprMayJunJulAug
LessMore

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

Frequent counterparties

CounterpartySent to themReceived from themSettlementsLast
0x106a…6577$0.00$0.221044d agoGraph
0x254a…d091$0.00$0.03252d 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 observed activity.

Recent activity

Payer PayeeChainAmountx402RouteAgeTxn hash
0x106a…65770x5b4a…0ea1Base$0.05100%Route unknown44d ago0x8796d8…8a365d
0x106a…65770x5b4a…0ea1Base$0.005100%Route unknown44d ago0x3ee201…101c8a
0x106a…65770x5b4a…0ea1Base$0.005100%Route unknown44d ago0x78bdcc…2a4acf
0x106a…65770x5b4a…0ea1Base$0.02100%Route unknown44d ago0xfb7ce7…b429ff
0x106a…65770x5b4a…0ea1Base$0.05100%Route unknown44d ago0x40f3fc…4483e8
0x106a…65770x5b4a…0ea1Base$0.005100%Route unknown44d ago0x0d9a16…b08197
0x106a…65770x5b4a…0ea1Base$0.005100%Route unknown44d ago0x62053b…c4f1c7
0x106a…65770x5b4a…0ea1Base$0.02100%Route unknown44d ago0xa81ae5…e86fc5
0x106a…65770x5b4a…0ea1Base$0.05100%Route unknown45d ago0x5fd7a2…dae062
0x106a…65770x5b4a…0ea1Base$0.005100%Route unknown45d ago0x6122a3…14fe63
0x254a…d0910x5b4a…0ea1Base$0.02100%Route unknown52d ago0x72c373…b9e2ca
0x254a…d0910x5b4a…0ea1Base$0.005100%Route unknown52d ago0x04895d…13d579

Hand this page to an agent

Copy the prompt and paste it into Claude, an MCP client or your own agent — it will check 0x5b4a…0ea1's payment record before paying it over the free read API. No key, no account.

GET api.roundhouseai.io/v0/merchants/0x5b4a78b7efe482d1579e287da6f0043f89cf0ea1

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: 0x5b4a78b7efe482d1579e287da6f0043f89cf0ea1

curl -s 'https://api.roundhouseai.io/v0/merchants/0x5b4a78b7efe482d1579e287da6f0043f89cf0ea1'
curl -s 'https://api.roundhouseai.io/v0/entities/0x5b4a78b7efe482d1579e287da6f0043f89cf0ea1/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://app.roundhouseai.io/dashboard/team.

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