{"name":"iin-lookup","description":"Resolves an issuer identification number (the first 6-8 card digits) to scheme, issuer, country, card type, and prepaid/debit/credit signals using binlist.net. Use it as an IIN lookup or card BIN checker.","price":"$0.02","method":"POST","input_schema":{"properties":{"bin":{"type":"string","description":"First 6-8 digits of a card number (BIN/IIN only). Never pass a full card number."}},"required":["bin"]},"input_example":{"bin":"453201"},"output_example":{"scheme":"visa","type":"credit","country":{"name":"United States"}},"x402_payment_required":true,"x402_facilitator":"https://api.cdp.coinbase.com/platform/v2/x402"}