iban?iban=FR1420041010050500013M02606

Deterministic IBAN check before a SEPA/international transfer: format regex, per-country length (public SWIFT registry, ~85 countries) and ISO 7064 mod-97 checksum.

Deterministic IBAN check before a SEPA/international transfer: format regex, per-country length (public SWIFT registry, ~85 countries) and ISO 7064 mod-97 checksum. Query: ?iban=FR1420041010050500013M02606 (spaces/dashes tolerated). Returns valid, country, bban, and a precise failure reason. Pure offline computation, 1y cache.

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?

0x6ab8efe3…02822dff

URL

https://data.greeneris.io/v1/validate/iban?iban=FR1420041010050500013M02606

MCP server on this host: io.github.contentfactory/eu-verify

Seen

first 34 days ago · last 12 hr ago

64 free handshakes

Payment

Pays through

x402

Offered on?

Base USDC

Listed on?

Base

Score, from free handshakes onlyweights 2026.09.6

UN
RATED

0.794 liveness verified, no letter

To a letter · 30 paid calls

0 of 30

Held down by latency p95 · gap to 1.000 is 0.206: 0.068 uncertain ? + 0.138 short ? · 0.006 to B

How the composite of 0.794 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	0.31	0.289		0.058	−0.138	−0.004
liveness it answered at all	0.60	1.00	0.894		0.536	0	−0.064
price stability the price stayed where it was listed	0.20	1.00	1.000		0.200	0	0
Composite	1.00		0.794	gap to 1.000 = 0.206 · 0.138 short · 0.068 uncertain	0.794	−0.138	−0.068

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

The multiplication, written out

  0.200 × 0.289   latency p95    
+ 0.600 × 0.894   liveness       
+ 0.200 × 1.000   price stability
= 0.794           → UNRATED: 58 of 30 paid calls      weights 2026.09.6 · 58 samples · seed cap_01M1A59YEK1M0RGR1FZJ1EGPPH|2026-09-02T09:32:41.189Z|2026.09.6

Verify it yourselfnpx teppi-check https://data.greeneris.io/v1/validate/iban?iban=FR1420041010050500013M02606curl -s https://api.teppi.xyz/v1/trust/cap_01M1A59YEK1M0RGR1FZJ1EGPPH