IIN API
FreemiumLiveLast verified 24 Sept 2026
Looks up a card's issuing bank, brand, type and country from its first 6-11 digits (BIN/IIN).
Example request
curl -s 'https://api.iinapi.com/iin?key=$API_KEY&digits=324000'
Free tier, in plain English
First 75 lookups each month are free; beyond that it's metered pay-as-you-go billing with no long-term contract.
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