x402 census · agentshelf.syntexa.ch · 492c0c945900 · JSON
POST /v1/security-headers
gone
Call when an agent needs CSP, HSTS, X-Frame-Options, Referrer-Policy, and Permissions-Policy audited on a public URL (SSRF-safe). Exact $0.004 USDC. Prefer unpaid POST /v1/sandbox/security-headers first.
Verdict: dead listing. 404/410: gone (was unprobed in the census).
Facts from the catalogs
| Field | Value |
|---|---|
| URL | https://agentshelf.syntexa.ch/v1/security-headers |
| Method | POST |
| Price | $0.004 USDC = 4000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 |
| Network | eip155:8453 (base) |
| payTo | 0x1D61FAA032d3f40D9C470D2bf3A3f53De0E55a38 |
| Seller | agentshelf.syntexa.ch |
| Catalogs | cdp (row updated 2026-09-22) |
| Listed since (lower bound) | 2026-09-22 (earliest catalog timestamp; catalogs report last-update times only) |
| Last catalog update | 2026-09-22 |
| CDP quality counters | 1 calls and 1 unique payers in 30 days, last call 2026-09-22 (catalog-reported, not verified on chain) |
| Category (keyword rule) | code-execution |
| Templated path | no |
| x402Version in catalog | 2 |
| Service name / tags | none |
Unpaid probe (census of )
| Field | Value |
|---|---|
| Probe | not probed in this build |
Latest re-probe
| Field | Value |
|---|---|
| Re-probed at | 2026-10-02T08:13:42.000Z (cron) |
| Verdict now | gone changed from unprobed |
| HEAD / GET | 404 / 404 |
| accepts[0] | none |
| Live amount equals catalog price | not comparable |
| Latency | 1,007 ms |
| Error | none |
On-chain facts for the payTo (public address)
| Field | Value |
|---|---|
| Distinct payers | 1 |
| Payments | 50 |
| USDC volume | $0.27 |
| Median payment | n/a |
| First / last payment | 2026-09-23 / 2026-09-23 |
| Sampler-shaped share of payments | n/a |
| Payers that are not samplers | n/a |
| Source | blockscout-sample — newest page of inbound ERC-20 transfers only (<=50); counts are a floor, not a total |
| Address | 0x1D61FAA032d3f40D9C470D2bf3A3f53De0E55a38 |
Declared input and output (extensions.bazaar)
{
"input": {
"body": {
"url": "https://example.com/"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"type": "json",
"example_truncated": true,
"chars": 859
}
}
Try it (unpaid: shows the 402)
curl -si -X POST 'https://agentshelf.syntexa.ch/v1/security-headers' -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/492c0c945900/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"492c0c945900"} 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 agentshelf.syntexa.ch.