x402 census · api.lucasnode.app · 7f66a5c7fcce · JSON
POST /api/x402/fact-check
gone
Fact check: send one claim or yes/no question, get a verdict (true, false, partly_true or unverified), a one-sentence answer, and the source it is based on. One web search, a few seconds.
Verdict: dead listing. 404/410: gone.
Facts from the catalogs
| Field | Value |
|---|---|
| URL | https://api.lucasnode.app/api/x402/fact-check |
| Method | POST |
| Price | $0.05 USDC = 50000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 |
| Network | eip155:8453 (base) |
| payTo | 0x0f6792345d418b35FC216c2A0832B7E291A95400 |
| Seller | api.lucasnode.app |
| Catalogs | cdp (row updated 2026-10-23) |
| Listed since (lower bound) | 2026-10-23 (earliest catalog timestamp; catalogs report last-update times only) |
| Last catalog update | 2026-10-23 |
| CDP quality counters | 5 calls and 4 unique payers in 30 days, last call 2026-10-23 (catalog-reported, not verified on chain) |
| Category (keyword rule) | trading-signals |
| Templated path | no |
| x402Version in catalog | 2 |
| Service name / tags | none |
Unpaid probe (census of 2026-10-22)
| Field | Value |
|---|---|
| Probed at | 2026-10-22T00:34:29.714Z |
| HEAD | 404 |
| GET | 404 |
| Verdict | gone 404/410: gone |
| 402 carried in | n/a |
| x402Version in the 402 | n/a |
| accepts[0] | none |
| Live amount equals catalog price | not comparable |
| Live payTo equals catalog payTo | not comparable |
| extensions.bazaar in the 402 | no |
| PAYMENT-REQUIRED header | no |
| WWW-Authenticate offer | none |
| Content type / server / CORS | text/plain / Vercel / none |
| Latency | 408 ms |
| Error | none |
No hourly re-probe has reached this resource yet; the cron covers a rotating slice of 150 per hour.
On-chain facts for the payTo (public address)
| Field | Value |
|---|---|
| Settlement history | unresolved: payTo not seen in the payer forensics (180 wallets' outbound history) or the Blockscout sample |
Declared input and output (extensions.bazaar)
{
"input": {
"body": {
"claim": "Supabase's Pro plan starts at $25 per month."
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"type": "json",
"example": {
"answer": "One or two sentences stating what is actually true.",
"checked_at": "2026-10-14T18:00:00.000Z",
"claim": "Supabase's Pro plan starts at $25 per month.",
"confidence": "high",
"disclaimer": "Fact check from one web search.",
"source": {
"source_type": "official",
"title": "Source title",
"url": "https://example.com/source"
},
"verdict": "true"
}
}
}
Try it (unpaid: shows the 402)
curl -si -X POST 'https://api.lucasnode.app/api/x402/fact-check' -H 'accept: application/json' -H 'content-type: application/json' --data '{}'
The catalog declares POST. A 402 answer carries the payment requirements in the JSON body and, for x402 v2, base64 in the PAYMENT-REQUIRED header. This page never sends a payment.
Paid checks (x402, USDC on Base)
GET https://bazaar.agentexchange.work/r/7f66a5c7fcce/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"7f66a5c7fcce"} places this resource at the top of the report and search pages for 30 days for $1.00, labelled. Unpaid requests answer 402 with the terms. Pricing.
Catalog references: agentic.market (CDP Bazaar front end) · this record as JSON · all resources on api.lucasnode.app.