{"uid":"cap_HGduPjo9bMvGs-VOpvRjM","slug":"2s-io-d7cfcff6","name":"2s.io FDIC Bank Directory Lookup","description":"FDIC-insured US bank directory lookup. Lookup by name (fuzzy match), FDIC certificate number, RSSD ID, or state. Each record includes name + short name, web address, active flag, city/state/county/zip, established + insured dates, charter class, bank class, primary federal regulator, number of branches, assets and deposits ($1000s), and closed-date + reason for inactive institutions. Public-domain FDIC data, free.","url":"https://2s.io/api/bank/lookup","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","queryParams"],"properties":{"type":{"const":"http"},"method":{"const":"GET"},"queryParams":{"properties":{"cert":{"type":"string","description":"FDIC certificate number (exact)."},"name":{"type":"string","description":"Fuzzy name search."},"limit":{"type":"integer","default":10,"maximum":50,"minimum":1},"state":{"type":"string","description":"2-letter US state."},"offset":{"type":"integer","default":0,"minimum":0},"rssdId":{"type":"string","description":"RSSD ID (exact)."},"status":{"enum":["active","inactive","any"],"type":"string","default":"active"}}}}}}},"responseSchema":null,"example":{"request":{"input":{"type":"http","method":"GET","queryParams":{"name":"First National 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up FDIC-insured US banks by name, certificate number, RSSD ID, or state, returning detailed regulatory and financial profile data.","exampleAgentPrompt":"Can you look up the FDIC records for 'First National Bank of Texas' — I want to see if it's still active, who its primary federal regulator is, and what its total assets and deposits are?","exampleUseCases":null,"resultDescription":"Returns a paginated list of matching FDIC-insured bank records, each containing the bank's full and short name, website, active/inactive status, city/state/county/ZIP, established and insured dates, charter class, bank class, primary federal regulator, branch count, assets and deposits in thousands of dollars, and for inactive institutions, the closed date and closure reason.","failureModes":["No matching banks found for the given name or filters — returns empty results array","Invalid state code provided — may return empty results or validation error","FDIC certificate number or RSSD ID not found — returns empty result set","Limit exceeds maximum of 50 — returns validation error","Payment failure via x402 protocol — returns 402 Payment Required"],"whenToPreferThis":"Use this endpoint when you need authoritative FDIC regulatory data about US banks, including regulatory classification, financial size (assets/deposits), branch counts, or historical closure information. Prefer this over general web search when you need structured, machine-readable data. Best for compliance checks, financial due diligence, or identifying the regulatory status of a specific institution.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:52:32.913Z","isFirstParty":false}