x402 census · pay.u-kiyo.ai · 9d36b32be207 · JSON
POST /api/machine/gpu-blocks
gone
Purchase a prepaid GPU block without prior signup. Use for bounded interactive compute; standard x402 or MPP payment and a recovery public key are required.
Verdict: dead listing. 404/410: gone.
Facts from the catalogs
| Field | Value |
|---|---|
| URL | https://pay.u-kiyo.ai/api/machine/gpu-blocks |
| Method | POST |
| Price | $5.00 USDC = 5000000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 |
| Network | eip155:8453 (base) |
| payTo | 0x9b37cfd6fa912f7a2c546e4a990a94e55d2ebc1d |
| Seller | pay.u-kiyo.ai |
| Catalogs | cdp (row updated 2026-10-24) |
| Listed since (lower bound) | 2026-10-24 (earliest catalog timestamp; catalogs report last-update times only) |
| Last catalog update | 2026-10-24 |
| CDP quality counters | 2 calls and 1 unique payers in 30 days, last call 2026-10-24 (catalog-reported, not verified on chain) |
| Category (keyword rule) | gift-cards/commerce |
| Templated path | no |
| x402Version in catalog | 2 |
| Service name / tags | none |
Unpaid probe (census of 2026-10-25)
| Field | Value |
|---|---|
| Probed at | 2026-10-25T21:16:04.556Z |
| 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 / n/a / none |
| Latency | 608 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": {
"durationSeconds": 60,
"kind": "gpu-block",
"maxOutputBytes": 1048576,
"maxPriceMinor": 500,
"method": "base",
"offerId": "00000000-0000-4000-8000-000000000000",
"privacyAcceptance": {
"accepted": true,
"sha256": "2cee7ff1e90501b13cacdc57525fda25e056acaecfe5a65c31d821490911c293",
"version": "2026-10-12"
},
"recoveryKey": {
"crv": "P-256",
"kty": "EC",
"x": "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA",
"y": "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
},
"requestId": "example",
"source": "organic",
"storageGb": 50,
"termsAcceptance": {
"accepted": true,
"sha256": "074145afe292f1b1d20414a440243166dcfb20847d2dd793a156ef03c51f5054",
"version": "2026-10-10"
}
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"type": "json",
"example": {
"accessToken": "purchase-scoped",
"purchaseId": "sha256",
"state": "PROVISIONING"
}
}
}
Try it (unpaid: shows the 402)
curl -si -X POST 'https://pay.u-kiyo.ai/api/machine/gpu-blocks' -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/9d36b32be207/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"9d36b32be207"} 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 pay.u-kiyo.ai.