Endpoint · computeGETapi.aventtech.com /validate/iban ?iban=DE89370400440532013000
Validate an IBAN and check whether a bank account number is valid.
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Validate an IBAN and check whether a bank account number is valid. Verifies the ISO 13616 MOD-97 checksum, structure and country length against the IBAN registry, and returns validity, the country, the BBAN and a formatted IBAN. Instant, deterministic bank account number validation and verification for any European or international IBAN.Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.01 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://api.aventtech.com/validate/iban?iban=DE89370400440532013000
Seen
first 7 days ago · last 17 hr ago
12 free handshakes
Payment
Pays through
x402
Offered on?
Base USDC
Listed on?
Base
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.519 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 0.481: 0.335 uncertain ? + 0.146 short ? · 0.131 to C
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| livenesscosts the most it answered at all |
0.60 | 1.00 | 0.442 | 0.265 | 0 | −0.335 | |
| latency p95 it answered as fast as its class |
0.20 | 0.27 | 0.269 | 0.054 | −0.146 | 0 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.519 | gap to 1.000 = 0.481 · 0.146 short · 0.335 uncertain | 0.519 | −0.146 | −0.335 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.600 × 0.442 liveness
+ 0.200 × 0.269 latency p95
+ 0.200 × 1.000 price stability
= 0.519 → UNRATED: 11 of 30 paid calls weights 2026.09.6 · 11 samples · seed cap_01M3GP9D27TWX9306H09382G3Z|2026-09-03T19:06:19.953Z|2026.09.6
Verify it yourself
npx teppi-check https://api.aventtech.com/validate/iban?iban=DE89370400440532013000curl -s https://api.teppi.xyz/v1/trust/cap_01M3GP9D27TWX9306H09382G3Z