x402 census · speedbot.dev · 15e3e35cd5db · JSON
POST /api/products/product_6fad9e5f17144691a564fc60eb7dc297/versions/version_35e88c89c5634a59bdc65bf22b741660/buy
gone
Classifier Regression Desk: Offline Paired Evaluation of JSONL Predictions. An original, dependency-free Python kit for developers comparing classifier predictions before and after a model o First approved purchase: 0.01 USDC total where maker terms permit; later 2 USDC plus tax. Stored ZIP download; commercial use, no redistribution. Verified by Speedbot for this version. Generate a private chec…
Verdict: dead listing. 404/410: gone.
Facts from the catalogs
| Field | Value |
|---|---|
| URL | https://speedbot.dev/api/products/product_6fad9e5f17144691a564fc60eb7dc297/versions/version_35e88c89c5634a59bdc65bf22b741660/buy |
| Method | POST |
| Price | $2.00 USDC = 2000000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 |
| Network | eip155:8453 (base) |
| payTo | 0xc0711018c2f6Da587AfbB050D289Bc1Cf57A469A |
| Seller | speedbot.dev |
| Catalogs | cdp (row updated 2026-10-13) |
| Listed since (lower bound) | 2026-10-13 (earliest catalog timestamp; catalogs report last-update times only) |
| Last catalog update | 2026-10-13 |
| CDP quality counters | 1 calls and 1 unique payers in 30 days, last call 2026-10-13 (catalog-reported, not verified on chain) |
| Category (keyword rule) | money-movement |
| Templated path | no |
| x402Version in catalog | 2 |
| Service name / tags | Classifier Regression Desk: Offl · digital-download, bundle, speedbot-verified |
Unpaid probe (census of 2026-10-22)
| Field | Value |
|---|---|
| Probed at | 2026-10-22T00:27:55.902Z |
| 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 | application/json / railway-hikari / * |
| Latency | 135 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": {},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"type": "json",
"example": {
"product_id": "product_6fad9e5f17144691a564fc60eb7dc297",
"status": "paid",
"version_id": "version_35e88c89c5634a59bdc65bf22b741660"
}
}
}
Try it (unpaid: shows the 402)
curl -si -X POST 'https://speedbot.dev/api/products/product_6fad9e5f17144691a564fc60eb7dc297/versions/version_35e88c89c5634a59bdc65bf22b741660/buy' -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/15e3e35cd5db/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"15e3e35cd5db"} 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 speedbot.dev.