Endpoint · computeGETflat-rate-llm.kikoribera03.workers.dev /v1/util/vat ?vat=ESB12345674
Validates one EU VAT number offline: country prefix, the format that country uses, and the published check-digit algorithm where one exists.
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Validates one EU VAT number offline: country prefix, the format that country uses, and the published check-digit algorithm where one exists. Says explicitly whether the check digits were verified or only the format. Deterministic, no network call. Built for cleaning a list of companies one at a time.Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.005 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://flat-rate-llm.kikoribera03.workers.dev/v1/util/vat?vat=ESB12345674
MCP server on this host: dev.workers.kikoribera03.flat-rate-llm/x402-tools
Seen
first 23 days ago · last 10 hr ago
42 free handshakes
Payment
Pays through
x402
Offered on?
Polygon, Arbitrum, Base USDC
Listed on?
Polygon, Arbitrum, Base
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.710 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held down by latency p95 · gap to 1.000 is 0.290: 0.090 uncertain ? + 0.200 short ? · 0.090 to B
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| latency p95costs the most it answered as fast as its class |
0.20 | 0.00 | 0.000 | 0.000 | −0.200 | 0 | |
| liveness it answered at all |
0.60 | 1.00 | 0.850 | 0.510 | 0 | −0.090 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.710 | gap to 1.000 = 0.290 · 0.200 short · 0.090 uncertain | 0.710 | −0.200 | −0.090 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.200 × 0.000 latency p95
+ 0.600 × 0.850 liveness
+ 0.200 × 1.000 price stability
= 0.710 → UNRATED: 41 of 30 paid calls weights 2026.09.6 · 41 samples · seed cap_01M27FW6DDB1W6EZAP5V9YF30Q|2026-09-03T12:47:49.921Z|2026.09.6
Verify it yourself
npx teppi-check https://flat-rate-llm.kikoribera03.workers.dev/v1/util/vat?vat=ESB12345674curl -s https://api.teppi.xyz/v1/trust/cap_01M27FW6DDB1W6EZAP5V9YF30Q