x402 merchant
Penniless JSON Repair$0.001 / callpenniless-json-repair.sjaman.workers.dev ↗
JsonLlmRepairAgent-tools

Repairs malformed LLM JSON: strips Markdown fences and prose wrappers, fixes trailing commas, converts Python literals (True/False/None) and single/unquoted keys, removes comments, recovers balanced JSON from truncated output. Body {input} -> {ok, repaired, applied}.

MerchantReport

0x3d98…5f37

0x3d98800c64c345950e1eaaa076d88c12d1bf5f37Explorer
Received
$0.10↓ 99%
Last 7d vs prior 7d
Paid out
$0.01↓ 91%
Last 7d vs prior 7d
Settlements
7↓ 60%
Last 7d vs prior 7d
4
Distinct counterparties
Over the whole indexed history

Received $0.10 of the $259.81M Roundhouse has indexed across 715,279 wallets — less than 0.0001% of it.

Chains (from the recent scan): Base (5)

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
0xc01f…9659$0.00$0.1017d agoGraph
0x8a89…ff4e$0.01$0.0017d agoGraph
0x7e6b…2b1c$0.00$0.001110d agoGraph

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

Data quality

2 self-dealing settlements (payer = payee) observed; 89% of observed volume is with a single counterparty, in all 5 observed settlements.

Organic volume $0.11 of $0.11 total.

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 0x3d98…5f37's payment record before paying it over the free read API. No key, no account.

GET api.roundhouseai.io/v0/merchants/0x3d98800c64c345950e1eaaa076d88c12d1bf5f37

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: 0x3d98800c64c345950e1eaaa076d88c12d1bf5f37

curl -s 'https://api.roundhouseai.io/v0/merchants/0x3d98800c64c345950e1eaaa076d88c12d1bf5f37'
curl -s 'https://api.roundhouseai.io/v0/entities/0x3d98800c64c345950e1eaaa076d88c12d1bf5f37/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.