api.aventtech.com
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 check
Go to this service →Our latest check (2026-10-11)
- Answering
- Yes — valid x402 payment terms
- Time to answer
- 100 ms
- Price
- $0.010 per call
- Paying buyers, last 30 days
- 3 (directory's own records)
- Paid calls, last 30 days
- 3
- Category
- Travel: rail, car hire, other
- Address
- https://api.aventtech.com/validate/card
Accuracy: paid answers checked against an independent record
Not yet in our paid checks. A seller we have not checked has neither passed nor failed.
For agents
This page as JSON: /sellers/52fdf5fd7180.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).