x402 census · 2s-3cpr6qm6j-alleyford.vercel.app · ef0214fddc32 · JSON
GET /api/convert/unit
live
Convert a value between units of measure: mass (g, kg, mg, lb, oz, t, st), length (m, km, cm, mm, in, ft, yd, mi), volume (l, ml, m3, gal, gal-imp, qt, pt, cup, floz, tbsp, tsp), area (m2, km2, ft2, acre, ha), and temperature (C, F, K). Units are matched case-insensitively with common aliases (kg/kilogram/kgs). Returns {value, from, to, dimension, result}. Exact factors — the ground-truth answer …
Verdict: live. The unpaid GET reached a valid 402 (confirmed by the re-probe of 2026-10-01).
Facts from the catalogs
| Field | Value |
|---|---|
| URL | https://2s-3cpr6qm6j-alleyford.vercel.app/api/convert/unit |
| Method | GET |
| Price | $0.001 USDC = 1000 atomic units of 0x036CbD53842c5426634e7929541eC2318f3dCF7e |
| Network | eip155:84532 (base-sepolia) — testnet; also accepts solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| payTo | 0xcEE4259Fae5931078Cd3ed030180E55F11BB9f35 |
| Seller | 2s-3cpr6qm6j-alleyford.vercel.app |
| Catalogs | cdp (row updated 2026-09-30) |
| Listed since (lower bound) | 2026-09-30 (earliest catalog timestamp; catalogs report last-update times only) |
| Last catalog update | 2026-09-30 |
| CDP quality counters | 6 calls and 2 unique payers in 30 days, last call 2026-09-30 (catalog-reported, not verified on chain) |
| Category (keyword rule) | inference/llm |
| Templated path | no |
| x402Version in catalog | 2 |
| Service name / tags | 2s · public-records, identifiers, ai-agents, us-gov-data, x402 |
Unpaid probe (census of )
| Field | Value |
|---|---|
| Probe | not probed in this build |
Latest re-probe
| Field | Value |
|---|---|
| Re-probed at | 2026-10-01T14:13:42.000Z (cron) |
| Verdict now | live changed from unprobed |
| HEAD / GET | 402 / 402 |
| accepts[0] | {"scheme":"exact","network":"eip155:84532","amount":"1000","payTo":"0xcEE4259Fae5931078Cd3ed030180E55F11BB9f35","asset":"0x036CbD53842c5426634e7929541eC2318f3dCF7e","maxTimeoutSeconds":60,"extra":{"name":"USDC","version":"2"}} |
| Live amount equals catalog price | yes |
| Latency | 744 ms |
| Error | none |
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": {
"method": "GET",
"queryParams": {
"from": "kg",
"to": "lb",
"value": 5
},
"type": "http"
}
}
Try it (unpaid: shows the 402)
curl -si -X GET 'https://2s-3cpr6qm6j-alleyford.vercel.app/api/convert/unit' -H 'accept: application/json'
The catalog declares GET. 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/ef0214fddc32/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"ef0214fddc32"} 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 2s-3cpr6qm6j-alleyford.vercel.app.