{"uid":"cap_Y27oUhlSGWnnD2M07qcaC","slug":"api-cryptoetfsentinel-com-51e06f2a","name":"Crypto ETF Sentinel — Top-N Pre-Approval Issuer Filing Velocity","description":"Crypto ETF Sentinel — Top-N most-active pre-approval US spot crypto ETF issuers by 42-day action-filing count (S-1/A, CORRESP and similar). High velocity means sustained SEC dialogue, a frequent leading indicator of stage transitions. Use when you want to know which pending crypto ETFs are moving right now. Optional limit param.","url":"https://api.cryptoetfsentinel.com/v1/pipeline/velocity","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":null,"example":{"request":{"properties":"top_10"},"response":{"data":[{"cik":"0002089855","label":"active","types":["S-1/A"],"crypto":"multi","signal":"active","ticker":null,"company":"T. Rowe Price Active Crypto ETF","filings":3,"density_days":50},{"cik":"0002106762","label":"active","types":["S-1/A"],"crypto":"bnb","signal":"active","ticker":"GBNB","company":"Grayscale BNB ETF","filings":3,"density_days":57},{"cik":"0002025000","label":"new activity","types":["S-1/A"],"crypto":"near protocol","signal":"new_activity","ticker":"GSNR","company":"Grayscale Near Trust (NEAR)","filings":1,"density_days":null},{"cik":"0002103547","label":"new activity","types":["S-1/A"],"crypto":"solana","signal":"new_activity","ticker":null,"company":"Morgan Stanley Solana Trust","filings":1,"density_days":null},{"cik":"0002103976","label":"new activity","types":["S-1/A"],"crypto":"ethereum","signal":"new_activity","ticker":null,"company":"Morgan Stanley Ethereum Trust","filings":1,"density_days":null},{"cik":"0002040120","label":"new activity","types":["S-1/A"],"crypto":"aave","signal":"new_activity","ticker":"GAAV","company":"Grayscale Aave Trust (AAVE)","filings":1,"density_days":null}],"meta":{"note":null,"page":null,"limit":null,"total":6,"offset":null,"full_count":null},"error":null}},"exampleRequest":{"properties":"top_10"},"tags":["x402"],"displayCostAmount":"0.5","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":"$0.5/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.5","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.5","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_jsiA7xMPKeKXlLtXVwISW","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.5","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the top-N most-active pre-approval US spot crypto ETF issuers ranked by 42-day SEC action-filing count, signaling imminent regulatory stage transitions.","exampleAgentPrompt":"Which US spot crypto ETF issuers are filing the most aggressively with the SEC right now — show me the top issuers ranked by their 42-day action-filing count so I can spot who's closest to approval.","exampleUseCases":null,"resultDescription":"An ordered list of the top-N pre-approval US spot crypto ETF issuers ranked by their 42-day SEC action-filing count, including issuer name, CIK, filing count, velocity rank, and current regulatory stage — indicating which issuers are in sustained dialogue with the SEC and likely nearing a stage transition.","failureModes":["No pre-approval issuers found if all active issuers have transitioned to trading/withdrawn — returns empty list","Payment required (402) if x402 USDC payment header is missing or insufficient","Invalid query parameters return 400 validation error","Stale data if SEC EDGAR feed has not refreshed recently — filing counts may lag by hours"],"whenToPreferThis":"Use this endpoint when you need a macro-level signal of which crypto ETF issuers are most active in their SEC approval process, especially to identify candidates likely to imminently transition stages. Prefer this over single-issuer comment letter or XBRL endpoints when you want a ranked comparative view across all pre-approval issuers rather than deep-dive data on one specific issuer.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:31:56.294Z","isFirstParty":false}