Bank Card Location Query
Query issuing bank, card type and validation status with Luhn check
Privacy
- Queries are sent to the server to call Alipay API; card numbers are not stored
- Query data is not recorded or persisted
Supports 8-19 digits, spaces allowed
Documentation
Key Features
- Identify issuing bank, bank code and card type
- Provide Luhn check and validation status
- Supports card numbers with spaces
How to Use
1
Enter the card number (spaces allowed)
2
Click query to fetch issuer and card type
3
Review Luhn check and validation note
Supported Banks
ICBC
Agricultural Bank of China
China Construction Bank
Bank of China
China Merchants Bank
Bank of Communications
Postal Savings Bank of China
CEB/Ping An/Minsheng and more
Card Number Structure
BIN
The first 6 digits identify the issuer and card type
Length
Debit cards are usually 16-19 digits, credit cards usually 16 digits
Luhn Check
The last digit is a checksum for validation
Privacy
- Queries are sent to the server to call Alipay API; card numbers are not stored
- Query data is not recorded or persisted
FAQ
Why is validation failed?
The card number may be incorrect or not supported.
What if Luhn check fails?
Luhn failure usually indicates an invalid card number.