{"uid":"cap_5z50YmotO12diQW76OJOl","slug":"api-cryptoetfsentinel-com-b956557b","name":"Crypto ETF Sentinel — SEC Comment-Letter History for CIK 0001980994","description":"Full SEC ↔ issuer comment-letter history for one CIK. Returns UPLOAD/CORRESP pairs in chronological order with review-intensity classification. Comment-letter cadence is a leading indicator of how close an issuer is to approval.","url":"https://api.cryptoetfsentinel.com/v1/issuers/0001980994/comment-letters","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","properties":{}}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","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_r6sDG8ZfdiBCyBCIoPntP","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the full chronological SEC ↔ issuer comment-letter history (UPLOAD/CORRESP pairs) for a specific crypto ETF issuer (CIK 0001980994), with review-intensity classification to gauge approval proximity.","exampleAgentPrompt":"Pull up the full SEC comment-letter history for crypto ETF issuer CIK 0001980994 — I want to see all the UPLOAD and CORRESP pairs in order and how intense the review has been so I can gauge how close they are to approval.","exampleUseCases":null,"resultDescription":"A chronological list of UPLOAD/CORRESP comment-letter pairs exchanged between the SEC and the issuer identified by CIK 0001980994, each annotated with a review-intensity classification. The data acts as a leading indicator of how close the issuer is to receiving SEC approval for their spot crypto ETF.","failureModes":["CIK not found or has no comment letters on record — returns empty array or 404","SEC EDGAR data lag — recent letters may not yet be indexed","Payment failure via x402 protocol — 402 response if USDC payment not attached","Rate limiting if called excessively in short window","Issuer may have transitioned to trading stage with no pending approval letters"],"whenToPreferThis":"Use this endpoint when you need granular, issuer-specific SEC comment-letter cadence data for CIK 0001980994 specifically, particularly to assess review intensity and approval proximity. Prefer this over the general activity feed when you need complete historical correspondence rather than a recent snapshot, or when building approval-probability models for this specific filer.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:45:03.674Z","isFirstParty":false}