x402 census · costpulse.waltsoft.net · 6a45876c689f · JSON
GET /v1/cheapest
live
Cross-region AWS price comparison. Find the cheapest region for any service in one API call.
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://costpulse.waltsoft.net/v1/cheapest |
| Method | GET |
| Price | $0.01 USDC = 10000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 |
| Network | base (base); also accepts solana |
| payTo | 0x318A4B4764eb37c3FCBcE434713128143815FD57 |
| Seller | costpulse.waltsoft.net |
| Catalogs | cdp (row updated 2026-09-08) |
| Listed since (lower bound) | 2026-09-08 (earliest catalog timestamp; catalogs report last-update times only) |
| Last catalog update | 2026-09-08 |
| CDP quality counters | 2 calls and 1 unique payers in 30 days, last call 2026-09-08 (catalog-reported, not verified on chain) |
| Category (keyword rule) | crypto-data |
| Templated path | no |
| x402Version in catalog | 2 |
| Service name / tags | CostPulse · aws, pricing, cost, lambda, cloud |
Unpaid probe (census of )
| Field | Value |
|---|---|
| Probe | not probed in this build |
Latest re-probe
| Field | Value |
|---|---|
| Re-probed at | 2026-10-01T03:13:24.000Z (cron) |
| Verdict now | live changed from unprobed |
| HEAD / GET | 402 / 402 |
| accepts[0] | {"scheme":"exact","network":"base","amount":"10000","payTo":"0x318A4B4764eb37c3FCBcE434713128143815FD57","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","maxTimeoutSeconds":300,"extra":{"name":"USD Coin","version":"2"}} |
| Live amount equals catalog price | yes |
| Latency | 2,904 ms |
| Error | none |
On-chain facts for the payTo (public address)
| Field | Value |
|---|---|
| Distinct payers | 3 |
| Payments | 3 |
| USDC volume | $0.03 |
| Median payment | $0.01 |
| First / last payment | 2026-06-23 / 2026-07-12 |
| Sampler-shaped share of payments | 100.0% |
| Payers that are not samplers | 0 |
| Source | forensics-2026-09-30 |
| Address | 0x318A4B4764eb37c3FCBcE434713128143815FD57 |
Declared input and output (extensions.bazaar)
{
"input": {
"method": "GET",
"queryParams": {
"instance": "m5.xlarge",
"service": "ec2"
},
"type": "http"
},
"output": {
"type": "json",
"example": {
"all_regions": [
{
"price_per_unit": 0.192,
"region": "us-east-2"
}
],
"cheapest": {
"price_per_unit": 0.192,
"region": "us-east-2",
"unit": "Hrs"
},
"most_expensive": {
"price_per_unit": 0.268,
"region": "ap-southeast-3"
},
"regions_compared": 24,
"savings_vs_most_expensive": "28%",
"service": "ec2",
"sku": "m5.xlarge"
}
}
}
Try it (unpaid: shows the 402)
curl -si -X GET 'https://costpulse.waltsoft.net/v1/cheapest' -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/6a45876c689f/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"6a45876c689f"} 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 costpulse.waltsoft.net.