Endpoint · computeGETapi.aventtech.com /validate/card ?number=4242424242424242
Validate a credit card or payment card number and detect its brand.
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Validate a credit card or payment card number and detect its brand. Checks the Luhn checksum and identifies Visa, Mastercard, Amex, Discover, Diners or JCB, returning the BIN and last four digits. Structural card number validation for checkout forms and fraud pre-checks (does not verify the card exists or has funds).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/card?number=4242424242424242
Seen
first 7 days ago · last 13 hr ago
12 free handshakes
Payment
Pays through
x402
Offered on?
Base USDC
Listed on?
Base
Handshakescomputed 1 day ago
0.521 from 11 free handshakes over 30 days · UNRATED ?
| 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 | 0.28 | 0.280 | 0.056 | −0.144 | 0 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.521 | gap to 1.000 = 0.479 · 0.144 short · 0.335 uncertain | 0.521 | −0.144 | −0.335 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
BURN_INFREE_TIER_ONLY
Verify it yourself
npx teppi-check https://api.aventtech.com/validate/card?number=4242424242424242curl -s https://api.teppi.xyz/v1/trust/cap_01M3GP9D20XT87S5P12AHRP534