// FINANCE
IIN API
IIN API allows you to accurately identify the issuing bank, card type, country of origin, and other details from a credit or debit card number. This is essential for fraud prevention, payment processing, and customer verification.
IIN API is a free public Finance API that requires apiKey authentication. It supports HTTPS and has CORS enabled.
// FACTS
- Category
- Finance
- Authentication
- apiKey
- HTTPS
- yes
- CORS
- yes
- Endpoint
- iinapi.com
- Cost
- Free
// FREQUENTLY ASKED
What is IIN API?
IIN API is a free public API in the Finance category. IIN API allows you to accurately identify the issuing bank, card type, country of origin, and other details from a credit or debit card number. This is essential for fraud prevention, payment processing, and customer verification.
Does IIN API require authentication?
Yes — IIN API requires apiKey authentication to make requests.
Is IIN API free?
Yes. IIN API is listed in our directory of free public APIs and is free to use. Check the official site for any rate limits or paid tier limitations.
Does IIN API support HTTPS?
Yes, IIN API supports HTTPS encrypted requests.