{"uid":"cap__0WAb2kv9YX3Je5TWecDO","slug":"api-cryptoetfsentinel-com-24da2996","name":"Crypto ETF Sentinel — Single-Issuer XBRL Snapshot","description":"Crypto ETF Sentinel — Single-issuer XBRL snapshot for one US spot crypto ETF: latest AUM, NAV per share, shares outstanding, expense ratio, sponsor fees, total return. Use when you need one fund's latest SEC-reported financials in a single call. expense_ratio can be null if extraction missed it. Pass the issuer's SEC CIK as cik.","url":"https://api.cryptoetfsentinel.com/v1/xbrl/issuer","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":[],"properties":{"cik":{"type":"string","pattern":"^[0-9]{1,10}$","description":"Zero-padded SEC CIK identifier (e.g. ``0001980994``). Optional — pass one to target a specific issuer (discover CIKs via /v1/issuers); omit to get the largest issuer by AUM."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","required":["data"],"properties":{"data":{"description":"The endpoint payload — type varies per route"},"meta":{"type":"object","properties":{"limit":{"type":["integer","null"]},"total":{"type":["integer","null"]},"offset":{"type":["integer","null"]}}},"error":{"type":["string","null"]}}}}}}},"responseSchema":null,"example":{"request":{"input":{"type":"http","method":"GET","queryParams":{"cik":"0001980994"}}},"response":{"data":{"aum":53396223856,"cik":"0001980994","company":"iShares Bitcoin Trust ETF","fact_count":410,"period_end":"2026-03-31","sponsor_fees":36689450,"total_return":-0.2215,"expense_ratio":0.0025,"nav_per_share":38.62,"shares_outstanding":1382480000},"meta":{"note":null,"page":null,"limit":null,"total":null,"offset":null,"full_count":null},"error":null}},"exampleRequest":{"cik":"0001980994"},"tags":["x402"],"displayCostAmount":"0.05","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":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_B9BpB3U0QIVqJPKO3Auv7","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the latest XBRL-extracted financial snapshot (AUM, NAV per share, shares outstanding, expense ratio) for a single US spot crypto ETF issuer identified by SEC CIK.","exampleAgentPrompt":"Pull the latest XBRL snapshot for the Bitwise Bitcoin ETF — I need current AUM, NAV per share, shares outstanding, and expense ratio. Their SEC CIK is 0001980994.","exampleUseCases":null,"resultDescription":"A JSON object containing the issuer's most recently filed XBRL data: assets under management (AUM), NAV per share, shares outstanding, and expense ratio (which may be null if XBRL extraction did not capture it).","failureModes":["Invalid or non-numeric CIK returns a 400/422 validation error","CIK does not correspond to a tracked crypto ETF issuer — returns 404 or empty result","expense_ratio field may be null if XBRL extraction missed it for this issuer","Payment not provided or insufficient USDC — returns 402 Payment Required","Stale XBRL data if issuer has not filed recently"],"whenToPreferThis":"Use this endpoint when you need a quick financial snapshot (AUM, NAV, shares, expense ratio) for a single US spot crypto ETF issuer identified by SEC CIK, without needing historical time series or comparative data across multiple issuers.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T16:46:11.836Z","isFirstParty":false}