x402 census · api.agentwork.run · c24f2107bda5 · JSON
POST /v1/web/changes
unprobed
Check whether a public webpage changed since your previous read. Send prior text_sha256 for a compact changed/unchanged result, or previous_text for added and removed lines. If you omit a baseline, this is a first snapshot (stores nothing server-side; returns current text + hash). Useful for documentation, pricing-page and policy monitoring. $0.005 USDC on Base or $0.01 USDC on Algorand per succe…
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://api.agentwork.run/v1/web/changes |
| Method | POST |
| Price | $0.005 USDC = 5000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 |
| Network | eip155:8453 (base); also accepts algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8= |
| payTo | 0x1cfC6489bC9703a2A49715b8a746D8c6075F3A80 |
| Seller | api.agentwork.run |
| Catalogs | cdp (row updated 2026-09-17) |
| Listed since (lower bound) | 2026-09-17 (earliest catalog timestamp; catalogs report last-update times only) |
| Last catalog update | 2026-09-17 |
| CDP quality counters | 3 calls and 3 unique payers in 30 days, last call 2026-09-17 (catalog-reported, not verified on chain) |
| Category (keyword rule) | scrape/browser |
| Templated path | no |
| x402Version in catalog | 2 |
| Service name / tags | AgentWork Web Evidence · web, research, extraction, monitoring, change-detection |
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 |
|---|---|
| Distinct payers | 2 |
| Payments | 2 |
| USDC volume | $0.01 |
| Median payment | $0.005 |
| First / last payment | 2026-09-17 / 2026-09-30 |
| Sampler-shaped share of payments | 100.0% |
| Payers that are not samplers | 0 |
| Source | forensics-2026-09-30 |
| Address | 0x1cfC6489bC9703a2A49715b8a746D8c6075F3A80 (contract) |
Declared input and output (extensions.bazaar)
{
"input": {
"body": {
"previous_text": "Example Domain\nOld text.",
"url": "https://example.com"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"type": "json",
"example": {
"comparison": {
"added": [
"New line"
],
"changed": true,
"removed": [
"Old line"
]
},
"fetched_at": "2026-09-08T00:00:00Z",
"ok": true,
"text": "Example Domain\nNew line",
"url": "https://example.com/"
}
}
}
Try it (unpaid: shows the 402)
curl -si -X POST 'https://api.agentwork.run/v1/web/changes' -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/c24f2107bda5/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"c24f2107bda5"} 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 api.agentwork.run.