x402 census · www.cloudworldmodel.ai · b5190b60b427 · JSON
GET /api/simulations/857848a5-a28e-4dfa-aa2e-0a72cf999328/validate-accuracy
live
No description in any catalog.
Verdict: live. The unpaid GET reached a valid 402. The live amount equals the catalog price.
Facts from the catalogs
| Field | Value |
|---|---|
| URL | https://www.cloudworldmodel.ai/api/simulations/857848a5-a28e-4dfa-aa2e-0a72cf999328/validate-accuracy |
| Method | GET |
| Price | $0.001 USDC = 1000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 |
| Network | eip155:8453 (base) |
| payTo | 0xC66D1757b9CF97E51f22075927c36Ff7aDD96A01 |
| Seller | www.cloudworldmodel.ai |
| Catalogs | payai (row updated 2026-07-22) |
| Listed since (lower bound) | 2026-07-22 (earliest catalog timestamp; catalogs report last-update times only) |
| Last catalog update | 2026-07-22 |
| CDP quality counters | not in the CDP catalog |
| Category (keyword rule) | dev-tools/utilities |
| Templated path | no |
| x402Version in catalog | 2 |
| Service name / tags | none |
Unpaid probe (census of 2026-09-30)
| Field | Value |
|---|---|
| Probed at | 2026-09-30T23:39:51.823Z |
| HEAD | 402 |
| GET | 402 |
| Verdict | live live: valid 402 to an unpaid GET |
| 402 carried in | header+body |
| x402Version in the 402 | 2 |
| accepts[0] | {"scheme":"exact","network":"eip155:8453","amount":"1000","payTo":"0xC66D1757b9CF97E51f22075927c36Ff7aDD96A01","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","maxTimeoutSeconds":300,"extra":{"name":"USD Coin","version":"2"}} |
| Live amount equals catalog price | yes |
| Live payTo equals catalog payTo | yes |
| extensions.bazaar in the 402 | yes |
| PAYMENT-REQUIRED header | yes |
| WWW-Authenticate offer | none |
| Content type / server / CORS | application/json / Google Frontend / none |
| Latency | 1,418 ms |
| Error | Payment required. Send an X-PAYMENT header containing a signed USDC payment on Base, or PAYMENT-SIGNATURE for Solana (x4 |
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 |
|---|---|
| Distinct payers | 1 |
| Payments | 3 |
| USDC volume | $0.003 |
| Median payment | $0.001 |
| First / last payment | 2026-09-09 / 2026-09-10 |
| Sampler-shaped share of payments | 100.0% |
| Payers that are not samplers | 0 |
| Source | forensics-2026-09-30 |
| Address | 0xC66D1757b9CF97E51f22075927c36Ff7aDD96A01 |
Try it (unpaid: shows the 402)
curl -si -X GET 'https://www.cloudworldmodel.ai/api/simulations/857848a5-a28e-4dfa-aa2e-0a72cf999328/validate-accuracy' -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/b5190b60b427/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"b5190b60b427"} 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: PayAI listing status · this record as JSON · all resources on www.cloudworldmodel.ai.