x402 census · ai-compute-production.up.railway.app · 911308ef83b8 · JSON
GET /v1/compute/spot
live
Smoothed spot GPU rental marks in USD per GPU-hour by canonical GPU type. when an agent should use this: it needs the current on-demand or interruptible spot mark and does not need the term curve or a history window.
Verdict: live. The unpaid GET reached a valid 402. The live amount equals the catalog price.
Facts from the catalogs
| Field | Value |
|---|---|
| URL | https://ai-compute-production.up.railway.app/v1/compute/spot |
| Method | GET |
| Price | $0.01 USDC = 10000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 |
| Network | eip155:8453 (base) |
| payTo | 0x34cfb8bdbf16e4484b7da0ed31deed5771b16c8f |
| Seller | ai-compute-production.up.railway.app |
| Catalogs | payai (row updated 2026-10-16) |
| Listed since (lower bound) | 2026-10-16 (earliest catalog timestamp; catalogs report last-update times only) |
| Last catalog update | 2026-10-16 |
| CDP quality counters | not in the CDP catalog |
| Category (keyword rule) | agent-services |
| Templated path | no |
| x402Version in catalog | 2 |
| Service name / tags | ai-compute · gpu, compute, spot, rental, mark |
Unpaid probe (census of 2026-10-22)
| Field | Value |
|---|---|
| Probed at | 2026-10-22T00:34:49.924Z |
| HEAD | 402 |
| GET | 402 |
| Verdict | live live: valid 402 to an unpaid GET |
| 402 carried in | header |
| x402Version in the 402 | 2 |
| accepts[0] | {"scheme":"exact","network":"eip155:8453","amount":"10000","payTo":"0x34cfb8bdbf16e4484b7da0ed31deed5771b16c8f","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","maxTimeoutSeconds":60,"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 / railway-hikari / none |
| Latency | 175 ms |
| Error | Payment required |
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 | 2 |
| Payments | 2 |
| USDC volume | $0.02 |
| Median payment | $0.01 |
| First / last payment | 2026-08-30 / 2026-09-14 |
| Sampler-shaped share of payments | 100.0% |
| Payers that are not samplers | 0 |
| Source | forensics-2026-09-30 |
| Address | 0x34cfb8bdbf16e4484b7da0ed31deed5771b16c8f (contract: EIP7702Proxy) |
Declared input and output (extensions.bazaar)
{
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"gpu": "H100-SXM",
"pricing": "on_demand"
}
},
"output": {
"type": "json",
"example_truncated": true,
"chars": 573
}
}
Try it (unpaid: shows the 402)
curl -si -X GET 'https://ai-compute-production.up.railway.app/v1/compute/spot' -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/911308ef83b8/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"911308ef83b8"} 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 ai-compute-production.up.railway.app.