{"uid":"cap_ilqpmDvm8dBjbw5jnal05","slug":"stablefinance-dev-4482101f","name":"StableFinance Investor CIK Lookup","description":"Find investor (filer) CIK by name prefix.","url":"https://stablefinance.dev/api/institutional-holdings/investors","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"name":{"type":"string","minLength":1}},"additionalProperties":false}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["investors"],"properties":{"investors":{"type":"array","items":{}}},"additionalProperties":false}}}}},"responseSchema":{"type":"json","example":{"investors":[{"cik":"0001067983","name":"BERKSHIRE HATHAWAY INC"}]}},"example":{"request":{"input":{"type":"http","method":"GET","queryParams":{"name":"Bridgewater"}}},"response":{"resource":"institutional_holdings","investors":[{"cik":"0001600319","name":"Bridgewater Advisors Inc."},{"cik":"0001350694","name":"Bridgewater Associates, LP"}]}},"exampleRequest":{"name":"Bridgewater"},"tags":["x402"],"displayCostAmount":"0.02","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_mgugxBK0Dl8D0louUJi7y","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Find the SEC CIK identifier for an institutional investor (13F filer) by searching with a name prefix.","exampleAgentPrompt":"Can you find the SEC CIK number for the institutional investor 'Bridgewater' — search by that name prefix so I can use it to pull their 13F holdings.","exampleUseCases":null,"resultDescription":"Returns a list of matching investors (filers) with their SEC CIK identifiers, filtered by the provided name prefix. The response contains an array of investor objects under the 'investors' key.","failureModes":["No matching investors found for the given name prefix — empty investors array returned","Name prefix too short or generic — returns too many results to be actionable","Name misspelled or using informal name rather than SEC-registered legal name — no match found","Missing required name parameter — request may fail or return unfiltered results","Rate limit or payment failure — 402 payment required error"],"whenToPreferThis":"Use this endpoint when you have an investor or fund name and need to resolve it to a CIK before querying 13F institutional holdings, insider transactions, or SEC filings. It is the necessary first step in any workflow that requires a CIK as input, such as pivoting 13F positions by filer.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:49:00.802Z","isFirstParty":false}