DE123456789

Validate an EU VAT number's structure and per-country check digits.

Validate an EU VAT number's structure and per-country check digits. Format only — no VIES lookup, so it does not confirm the registration is active or belongs to the named trader.

UNRATEDListed

Overview

Grade?

UNRATED

0 of 30 paid calls toward a letter

Price

$0.001 per call

Paid calls

none yet

delivery unknown until someone pays

More info

Seller?

0xae2634e7…8e431842

URL

https://chainverdict.xyz/v1/validate/vat/DE123456789

MCP server on this host: xyz.chainverdict/chainverdict

Seen

first 35 days ago · last 15 hr ago

63 free handshakes

Payment

Pays through

x402

Offered on?

Base USDC

Listed on?

Base

Score, from free handshakes onlyweights 2026.09.6

UN
RATED

0.807 liveness verified, no letter

To a letter · 30 paid calls

0 of 30

Held back by sample size, not by the seller · gap to 1.000 is 0.193: 0.156 uncertain ? + 0.037 short ? · 0.093 to A

How the composite of 0.807 is made up, part by part
Component	Weight	Measured	Lower bound ?		Adds	Short ?	Uncertain ?
latency p95costs the most it answered as fast as its class	0.20	0.82	0.364		0.073	−0.037	−0.090
liveness it answered at all	0.60	1.00	0.890		0.534	0	−0.066
price stability the price stayed where it was listed	0.20	1.00	1.000		0.200	0	0
Composite	1.00		0.807	gap to 1.000 = 0.193 · 0.037 short · 0.156 uncertain	0.807	−0.037	−0.156

Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check

The multiplication, written out

  0.200 × 0.364   latency p95    
+ 0.600 × 0.890   liveness       
+ 0.200 × 1.000   price stability
= 0.807           → UNRATED: 56 of 30 paid calls      weights 2026.09.6 · 56 samples · seed cap_01M1A5AA9WZEC4H0H5N7SY6AP4|2026-09-04T04:33:24.670Z|2026.09.6

Verify it yourselfnpx teppi-check https://chainverdict.xyz/v1/validate/vat/DE123456789curl -s https://api.teppi.xyz/v1/trust/cap_01M1A5AA9WZEC4H0H5N7SY6AP4