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api.kakerapetit.dev

https://api.kakerapetit.dev
● healthy general

EDINET filing calendar: annual securities reports (yukashoken hokokusho) filed by Japanese listed companies in a date range. Returns company code, EDINET document ID, fiscal period, accounting standard (JGAAP/IFRS/USGAAP) and the exact filing timestamp for each report — track new disclosures, trigger data pipelines, or find which Japanese stocks just reported. Query: /v2/calendar?from=2026-06-2...

Category
general
Chains
eip155:137, eip155:8453
Price
$0.0020–$0.0200 USDC

Quality grade

How grading works
B 72.1 / 100
Availability 40.0 / 40
Endpoint responded (HTTP 301)
Payability 10.0 / 20
  • ✗ Answers a real HTTP 402 challenge
  • ✓ Publishes a /.well-known/x402 descriptor
  • ✓ Payment address on record
  • ✓ Settlement network declared
  • ✓ Price declared
Demand 22.1 / 40
30 distinct payers, 436 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 45 h 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

C · 67/100

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, 72.1/100), 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 5/25 Endpoint answers, but we have not seen a 402 challenge (557 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 10/10 Declares 11 paid resource(s).
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 (557 ms; bands ≤2.5 s, ≤5 s, ≤8 s, slower; penalty only).
Payment evidence: x402_manifest — We read the seller's own /.well-known/x402 descriptor. Also: bazaar_feed. 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 25% of peers
This listing 67 · peer median 78
Latency
Faster than 15% of peers
This listing 557 ms · peer median 205 ms

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

  • Live 402 challenge −20 — Answer the paid path with a valid 402 challenge.
    Now: Endpoint answers, but we have not seen a 402 challenge (557 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.

How many agent tools actually work · All statistics

Paid endpoints

11 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://api.kakerapetit.dev/v2/calendar
https://api.kakerapetit.dev/v2/rankings
https://api.kakerapetit.dev/v1/text/similarity
https://api.kakerapetit.dev/v1/calendar/ics
https://api.kakerapetit.dev/v1/compare-product-photo
https://api.kakerapetit.dev/v1/check-duplicate-image
https://api.kakerapetit.dev/v1/jp-company/governance
https://api.kakerapetit.dev/v1/jp-company/snapshot
https://api.kakerapetit.dev/v1/find-near-duplicate
https://api.kakerapetit.dev/v1/verify-reference-image
https://api.kakerapetit.dev/v2/screener

How to call

cURL · x402-fetch / x402-axios will auto-handle 402
curl -sS -i -X GET https://api.kakerapetit.dev  # expect HTTP 402 Payment Required (about $0.002/call)
/.well-known/x402.json
https://api.kakerapetit.dev/.well-known/x402

Listed in

Directories this entry was found in.

cdp-bazaar since 2026-07-10