Global BIN and IIN Database

A complete, openly licensed reference of 374,788 Bank Identification Numbers covering 225 countries, 18,372 issuing banks and 71 card brands. Every prefix carries its issuer, brand, product type, card category and country. It is the same dataset that powers the tools on this site, available as pages, as a CSV and through the API.

Look up a BIN

Use the BIN Lookup tool to resolve a single prefix instantly in your browser, or the Batch BIN Lookup to enrich a whole column of prefixes at once.

Browse by country

Browse by card brand

Browse by issuing bank

The issuing bank directory lists every institution with a significant BIN allocation, sorted by range count, and links to each institution's full prefix list.

Download the data

• Full CSV — 374,788 rows, one per BIN
• JSON chunks — split by the first three hex digits, loaded on demand
• REST API — GET /api/bin/424242

No registration, no key and no rate limit on the CSV. The REST API is keyless as well and returns the same fields as a single JSON object. If you only need one prefix, the BIN lookup tool answers in the browser without a request to us at all.

Cite this dataset

The dataset is published under a CC BY 4.0 licence. If you use it in an article, a paper, a model or a dataset of your own, please attribute it. Copy the citation you need — the button copies it to the clipboard.

Version 2026-10-20 · 374,788 prefixes · 18,372 issuing institutions · 71 card brands · 225 countries · released under CC BY 4.0. The underlying records are published by venelinkochev; this is the cleaned, deduplicated and enriched build of it, and the method is set out on the data sources page.

How this data is used

BIN data appears on nearly every card payment, so it is the fastest way to identify an issuer, check a card's country of origin, and see how a BIN maps to card type and level. The BIN lookup guide explains the structure, and data sources and methodology explains coverage and limitations.