x402 census · fresh402.kirilllabs.workers.dev · dc9dbb113f6f · JSON
POST /v1/check
unprobed
Detect meaningful content changes in any URL, monitor website and web page changes, check page freshness, filter common boilerplate/noise, and return a change signal for AI agents.
Verdict: not verified by an unpaid GET. not probed yet. This says nothing about whether the route works when called as declared.
Facts from the catalogs
| Field | Value |
|---|---|
| URL | https://fresh402.kirilllabs.workers.dev/v1/check |
| Method | POST |
| Price | $0.001 USDC = 1000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 |
| Network | eip155:8453 (base) |
| payTo | 0x58B4b483fBE31860335eCeB12CCCF4338b251085 |
| Seller | fresh402.kirilllabs.workers.dev |
| Catalogs | cdp (row updated 2026-09-29) |
| Listed since (lower bound) | 2026-09-29 (earliest catalog timestamp; catalogs report last-update times only) |
| Last catalog update | 2026-09-29 |
| CDP quality counters | 3 calls and 1 unique payers in 30 days, last call 2026-09-29 (catalog-reported, not verified on chain) |
| Category (keyword rule) | trading-signals |
| Templated path | no |
| x402Version in catalog | 2 |
| Service name / tags | Fresh402 Web Change Monitor · website-monitoring, page-change-detection, url-freshness, semantic-diff, ai-agents |
Unpaid probe (census of )
| Field | Value |
|---|---|
| Probe | not probed in this build |
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": {
"url": "https://example.com"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"type": "json",
"example": {
"changed": false,
"check_count": 3,
"checked_at": "2026-09-29T01:35:57.534Z",
"content_length": 182,
"fetch_time_ms": 307,
"final_url": "https://example.com/",
"first_seen": false,
"noise_detected": false,
"normalizer_version": 2,
"raw_changed": false,
"rebaselined": false,
"snapshot_saved": false,
"url": "https://example.com/"
}
}
}
Try it (unpaid: shows the 402)
curl -si -X POST 'https://fresh402.kirilllabs.workers.dev/v1/check' -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/dc9dbb113f6f/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"dc9dbb113f6f"} 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 fresh402.kirilllabs.workers.dev.