x402 census · saylorinnovations.com · 572c62f24156 · JSON
GET /api/hcpcs/search
gone
HCPCS Level II Code Search (CMS). HCPCS Level II medical billing code lookup (CMS), e.g. E0601 or J1100: short and long description, code category (DME, drugs, supplies, ambulance, orthotics), added / effective / terminated dates and obsolete flag. Public domain; CPT codes are AMA-licensed and not covered.
Verdict: dead listing. 404/410: gone.
Facts from the catalogs
| Field | Value |
|---|---|
| URL | https://saylorinnovations.com/api/hcpcs/search |
| Method | GET |
| Price | $0.001 USDC = 1000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 |
| Network | eip155:8453 (base); also accepts solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp, eip155:137, eip155:42161 |
| payTo | 0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa |
| Seller | saylorinnovations.com |
| Catalogs | cdp (row updated 2026-09-25), payai (row updated 2026-09-30) |
| Listed since (lower bound) | 2026-09-25 (earliest catalog timestamp; catalogs report last-update times only) |
| Last catalog update | 2026-09-30 |
| CDP quality counters | 1 calls and 1 unique payers in 30 days, last call 2026-09-25 (catalog-reported, not verified on chain) |
| Category (keyword rule) | domains/dns |
| Templated path | no |
| x402Version in catalog | 2 |
| Service name / tags | Saylor Innovations Medical Codes · hcpcs, medical-codes, cms, billing |
Unpaid probe (census of 2026-09-30)
| Field | Value |
|---|---|
| Probed at | 2026-09-30T23:38:42.064Z |
| 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 | text/html / cloudflare / none |
| Latency | 1,403 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 |
|---|---|
| Distinct payers | 2 |
| Payments | 6 |
| USDC volume | $0.02 |
| Median payment | $0.0025 |
| First / last payment | 2026-09-27 / 2026-09-29 |
| Sampler-shaped share of payments | 100.0% |
| Payers that are not samplers | 0 |
| Source | forensics-2026-09-30 |
| Address | 0xA2A8dF0f7CaaBEa4e120a2568118f141569fc8aa |
Declared input and output (extensions.bazaar)
{
"input": {
"method": "GET",
"queryParams": {
"q": "wheelchair"
},
"type": "http"
},
"output": {
"type": "json",
"example": {
"found": true,
"query": "wheelchair",
"results": [
{
"code": "K0001",
"short_description": "Standard wheelchair"
}
],
"total_matches": 325
}
}
}
Try it (unpaid: shows the 402)
curl -si -X GET 'https://saylorinnovations.com/api/hcpcs/search' -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/572c62f24156/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"572c62f24156"} 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 · agentic.market (CDP Bazaar front end) · this record as JSON · all resources on saylorinnovations.com.