What Is a BIN and Why Do Merchants Check It
BIN stands for Bank Identification Number — the first 6–8 digits of a card number. Payment networks and merchants use BIN databases to instantly identify the issuing bank, card type (debit, credit, prepaid), and country of issue. Most major payment gateways are connected to commercial BIN lookup services that return this metadata in milliseconds.
When you enter a card number at checkout, the system queries the BIN and may receive a flag like prepaid: true. The merchant then decides whether to accept or reject the card.
What Makes a BIN Look Prepaid
When banks register a BIN range with Visa or Mastercard, they declare the card type: credit, debit, or prepaid. This tag ends up in public registries and third-party databases. If a card is registered as prepaid, there is virtually no way to hide it at the network level.
Additional signals that strengthen the "prepaid profile":
- Short expiry — many virtual cards are valid for 1–2 years, which looks unusual.
- No transaction history — a brand-new card with zero history raises fraud scores.
- IP and billing address mismatch — especially common with foreign-issued cards.
- Dynamic CVV patterns — some providers rotate CVV on demand, detectable via verification patterns.
Which Merchants Block Prepaid Cards and Why
Categories most likely to restrict prepaid acceptance:
- Airlines and booking platforms — fear chargebacks and fraud.
- Streaming services (Netflix, Spotify) — combat free trial abuse.
- Gaming platforms (Steam, PlayStation) — regional and age-restriction enforcement.
- Financial services — PayPal, Revolut often block prepaid top-ups.
- Car rental companies — require a credit card to hold a deposit.
Fix Steps
Step 1. Check the merchant's payment policy. Look in their FAQ or Terms of Service — acceptable card types are often listed explicitly.
Step 2. Use a card with a different BIN. Not all virtual cards are registered as prepaid. Providers that issue cards on debit or corporate BINs can bypass this filter.
Step 3. Verify your billing address. If the billing address doesn't match the card's issuing region, it adds another risk signal. Use an address that corresponds to the card's country.
Step 4. Try a clean browser and disable VPN. Risk signals are cumulative. A clean browser without extensions reduces your overall fraud score.
Step 5. Contact merchant support. Sometimes a simple identity verification step — uploading a card photo or a document — is enough to unlock the payment.
FAQ
Can a provider change the BIN type to avoid prepaid flags? No. The card type tag is set when the BIN range is registered with Visa or Mastercard and cannot be changed by the card issuer.
Are all virtual cards considered prepaid? No. Some virtual cards are issued on debit BINs and are technically not classified as prepaid, even though no physical card exists.
Does getting a new card number help? Only if the new number belongs to a different BIN range with a different card type. Reissuing a card within the same BIN range does not change its prepaid tag.
Marix virtual cards are issued on BIN ranges optimized for international payments, with high acceptance rates at merchants worldwide.