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pennyregwatch.com

https://pennyregwatch.com/
● healthy general

Real-time web search for AI agents. Search the web for current and up-to-date information, news, facts, research, documentation, and sources beyond model training data. Returns ranked structured JSON results with title, URL, description, and position for web grounding, RAG retrieval, research, and fact-finding. Send query, optional limit, and optional freshness as URL parameters. Keyless x402 p...

Category
general
Chains
eip155:8453
Price
$0.0040 USDC / call

Quality grade

How grading works
B 79.6 / 100
Availability 40.0 / 40
Endpoint responded (HTTP 200)
Payability 20.0 / 20
  • ✓ Answers a real HTTP 402 challenge
  • ✓ Publishes a /.well-known/x402 descriptor
  • ✓ Payment address on record
  • ✓ Settlement network declared
  • ✓ Price declared
Demand 19.6 / 40
26 distinct payers, 114 USDC transfers in the last 30 days
Owner verified 0.0 / 3
Nobody has claimed this listing yet
Endpoint last checked 5 h ago. On-chain activity last read 2 d ago. Availability and on-chain demand are both re-probed daily; the grade updates automatically on the next pass. This grade sets search order and leaderboards; the readiness score below is shown for reference only.

x402 readiness

B · 84/100

Readiness is how fully this listing follows its protocol and how it behaved in our probes over 30 days. It is shown for reference and does not move it in search. Search order and leaderboards use the separate quality grade (here B, 79.6/100), which weighs availability, payability and on-chain demand. How the two differ

Valid payment requirements 10/10 Payment requirements carry a payee, a mainnet network and a price.
Live 402 challenge 20/25 Endpoint reachable; its 402 challenge was seen earlier (346 ms).
x402 version n/a x402 version not observed yet.
Signed descriptor n/a No x402 standard defines a signed descriptor.
Uptime (30 days) 15/15 32/32 probes succeeded over 30 days (100%).
Resource declaration 8/10 18 paid resources; 18 sampled lack a description.
Verified identity 5/10 Publisher descriptor (/.well-known/x402 or OpenAPI) on record; claim this listing to verify domain control.
Freshness + modern flags 5/5 seen in a source within 7 days; declares x402.
Security declaration n/a Payment is the access control for an x402 resource.
Applicable criteria total 75 points, scaled to 100.
Responsiveness: Responsive (346 ms; bands ≤2.5 s, ≤5 s, ≤8 s, slower; penalty only).
Payment evidence: x402_challenge — We sent a request and got a live HTTP 402 challenge. Also: x402_manifest, bazaar_feed, catalog_listing. Qualifies the payment claim; adds no points.
Measured 2026-11-11.
Nine criteria, the same as the A2A readiness score, read from our daily probe of the paid endpoint, its payment requirements and 30-day probe history. Signed descriptor and security declaration are n/a for x402 (payment is the access control), as is an x402 version we have not observed; the remaining points are scaled to 100. Grades: A>=90, B>=75, C>=60, D>=40, F<40. Display only: search order uses the quality grade.

Compared with peers

Against 10,060 reachable x402 APIs in our daily snapshot (2026-11-12 01:39 UTC). Display only; it does not change search order.

Readiness
Higher than 67% of peers
This listing 84 · peer median 78
Latency
Faster than 31% of peers
This listing 346 ms · peer median 205 ms

Where it loses the most points, and how to win them back

  • Live 402 challenge −5 — Answer the paid path with a valid 402 challenge.
    Now: Endpoint reachable; its 402 challenge was seen earlier (346 ms).
  • Verified identity −5 — Claim the listing and prove control of its domain.
    Now: Publisher descriptor (/.well-known/x402 or OpenAPI) on record; claim this listing to verify domain control.
  • Resource declaration −2 — Declare each paid resource with its input and output schema.
    Now: 18 paid resources; 18 sampled lack a description.

How many agent tools actually work · All statistics

Paid endpoints

18 resource(s) advertised by this origin. Each price below is that resource's own x402 price; the headline price is the range across them.

https://pennyregwatch.com/v1/search
https://pennyregwatch.com/v1/search/lite
https://pennyregwatch.com/v1/evidence-brief
https://pennyregwatch.com/web/places
https://pennyregwatch.com/v1/x402/preflight
https://pennyregwatch.com/v1/robots
https://pennyregwatch.com/v1/redirect
https://pennyregwatch.com/v1/metadata
https://pennyregwatch.com/v1/headers
GET https://pennyregwatch.com/v1/preflight
GET https://pennyregwatch.com/v1/domain/observe
GET https://pennyregwatch.com/v1/domain/delta
POST https://pennyregwatch.com/v1/capability-requests
GET https://pennyregwatch.com/v1/regulatory/tx/childcare/resolve
GET https://pennyregwatch.com/v1/regulatory/tx/childcare/check
GET https://pennyregwatch.com/v1/regulatory/tx/childcare/delta
GET https://pennyregwatch.com/v1/regulatory/tx/childcare/{operation_number}
GET https://pennyregwatch.com/v1/regulatory/tx/childcare/{operation_number}/changes

How to call

cURL · x402-fetch / x402-axios will auto-handle 402
curl -sS -i -X GET https://pennyregwatch.com/  # expect HTTP 402 Payment Required (about $0.004/call)
/.well-known/x402.json
https://pennyregwatch.com/.well-known/x402

Listed in

Directories this entry was found in.

cdp-bazaar since 2026-09-06 x402scan since 2026-09-13 a2a since 2026-09-19 x402 since 2026-10-08