Endpoint · computeGETapi.sitecheck-api.workers.dev /api/vat ?number=DE811907980
EU VAT number check: format and checksum are tested locally first (a malformed number is rejected with HTTP 400 and no charge), then the official VIES service answers whether it…
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EU VAT number check: format and checksum are tested locally first (a malformed number is rejected with HTTP 400 and no charge), then the official VIES service answers whether it is valid, with the registered name and address where the member state discloses them. All 27 EU states plus Northern Ireland (XI). Source: European Commission VIES.Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.002 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://api.sitecheck-api.workers.dev/api/vat?number=DE811907980
MCP server on this host: io.github.bck-stack/sitecheck
Seen
first 14 days ago · last 17 hr ago
14 free handshakes
Payment
Pays through
x402
Offered on?
Arc, Base USDC, Solana, xrpl:0
Listed on?
Base, Solana
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.516 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 0.484: 0.284 uncertain ? + 0.200 short ? · 0.134 to C
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| livenesscosts the most it answered at all |
0.60 | 1.00 | 0.527 | 0.316 | 0 | −0.284 | |
| 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 | 0.516 | gap to 1.000 = 0.484 · 0.200 short · 0.284 uncertain | 0.516 | −0.200 | −0.284 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.600 × 0.527 liveness
+ 0.200 × 0.000 latency p95
+ 0.200 × 1.000 price stability
= 0.516 → UNRATED: 13 of 30 paid calls weights 2026.09.6 · 13 samples · seed cap_01M4FK5NGEPZWVT0FKTQMM6GMY|2026-09-21T16:45:07.139Z|2026.09.6
Verify it yourself
npx teppi-check https://api.sitecheck-api.workers.dev/api/vat?number=DE811907980curl -s https://api.teppi.xyz/v1/trust/cap_01M4FK5NGEPZWVT0FKTQMM6GMY