Endpoint · extractionPOSTapi.jpverify.com /v1/invoices/counterparty-check
Check a known EU VAT ID and/or Peppol participant using separate tax-validity, entity-match, and discoverability evidence.
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Check a known EU VAT ID and/or Peppol participant using separate tax-validity, entity-match, and discoverability evidence. VIES is never used for name search and upstream responses are not resold. / 既知のEU VAT IDまたはPeppol参加者を税番号有効性・法人一致・到達性に分けて確認します。VIESは名称検索に使わず、元データは再販しません。Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.05 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://api.jpverify.com/v1/invoices/counterparty-check
Seen
first 23 days ago · last 14 hr ago
42 free handshakes
Payment
Pays through
x402
Offered on?
Base USDC
Listed on?
Base
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.587 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held down by liveness · gap to 1.000 is 0.413: 0.143 uncertain ? + 0.270 short ? · 0.063 to C
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| livenesscosts the most it answered at all |
0.60 | 0.88 | 0.645 | 0.387 | −0.070 | −0.143 | |
| latency p95 it answered as fast as its class |
0.20 | 0.00 | 0.000 | 0.000 | −0.200 | 0 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.587 | gap to 1.000 = 0.413 · 0.270 short · 0.143 uncertain | 0.587 | −0.270 | −0.143 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.600 × 0.645 liveness
+ 0.200 × 0.000 latency p95
+ 0.200 × 1.000 price stability
= 0.587 → UNRATED: 37 of 30 paid calls weights 2026.09.6 · 37 samples · seed cap_01M27FWM2RPWBDGJD641PE18WX|2026-08-31T15:40:00.139Z|2026.09.6
Verify it yourself
npx teppi-check https://api.jpverify.com/v1/invoices/counterparty-checkcurl -s https://api.teppi.xyz/v1/trust/cap_01M27FWM2RPWBDGJD641PE18WX