Johto Data

avoid grade F Base found on x402scan confidence 0.52
https://johto-x402-api.johtodata.workers.dev/v1/jp-invoice-check
Claim this service
Advertised description
$0.002 per call. Status of one Japanese qualified-invoice issuer registration number (適格請求書発行事業者 登録番号, T + 13 digits) for corporations (法人): registration_number, status (registered,…Show more ▾Show less ▴$0.002 per call. Status of one Japanese qualified-invoice issuer registration number (適格請求書発行事業者 登録番号, T + 13 digits) for corporations (法人): registration_number, status (registered, cancelled, expired, not_found), name, registration_date, update_date, cancel_date and expire_date when set, prefecture of the head office, data_as_of and source. Batch: POST {"numbers":[...]} with up to 1000 numbers at $0.0012 per unique number; the price is set from the count before payment. Data as of 2026-10-21, from the National Tax Agency bulk download files (full monthly file plus daily diff files). Sole-proprietor registrations are not covered and return not_found. Free sample: ?sample=1 (25 rows). Invalid numbers (format or check digit) return 400, not charged. Data not loaded returns 503, not charged. 出典：国税庁適格請求書発行事業者公表サイト（国税庁）（https://www.invoice-kohyo.nta.go.jp/）。国税庁適格請求書発行事業者公表サイト（国税庁）（https://www.invoice-kohyo.nta.go.jp/）を加工して作成。Johto Data作成。国が作成したものではありません。 ?t=T1180301018771
(Provider-supplied: an unverified claim, not checked by us. The trust grade above is our independent measurement.)
30-day uptime
17.1%
Avg latency (EU)
1095 ms
slow · measured from a single EU vantage point; includes network round-trip distance to the endpoint; a geographically distant endpoint reads slower even when its server is fast, so it is only lightly weighted in the score
Confidence
0.52
full-density score
Advertised price
$0.02
USDC
Price stability
Stable
last 30 days
Probes (30d)
35
full record · up to 48/day
More details ▾
Endpoint ID291468
Pay on Base$0.02 USDC · to 0x1335…2dC3 ↗
First seen2026-10-22
Last probed2026-10-29
Statuslisted
Snapshot computed2026-10-29 19:47 UTC (free snapshot, recomputed at least every 24h)
Why this verdict?5 error flags1 warning
A wallet payment page opens first; approve the USDC payment and the full JSON report loads right in your browser. Want a taste first? Read a free full sample report.
This page is the free cached snapshot (computed 11 hours ago, refreshed at least every 24h). Here's what the paid API adds.
  • ✓Live re-probe at decision time
    The score is computed the moment you ask, not up to 24h ago.
  • ✓Instant snapshot refresh
    Every paid call rewrites this page, the badge and the card immediately.
  • ✓The full “why”, machine-readable
    Confidence band, component breakdown, every risk flag with its evidence.
  • ✓On-chain settlement proof
    Real USDC volume and distinct payers behind the pay-to wallet.
  • ✓90-day raw history
    Every listing, price and payTo change, every probe result.
  • ✓Ranked better alternatives
    Higher-scored endpoints serving the same function, when they exist.
  • ✓Change & liveness alerts
    PayTo/price moves, spec regressions, downtime; 5-minute probes while watched.
$npx -y x402-trust-mcpGive your agents the tools to do all of this for you, with one install. Agents use the x402_trust_score MCP tool or POST /v1/x402-trust directly (pay-per-call over x402, from $0.005).