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Use when documenting how fee competition has compressed sin…","tags":["$0.1","Base"]},{"id":"/v1/profiles/history","name":"GET /v1/profiles/history","description":"Crypto ETF Sentinel — Chronological profile evolution for one US spot crypto ETF issuer: custodian, fee, AP-count and in-kind deltas across successive POS AM filings. Use when tracing how a fund's terms changed over time (fee cuts, custodi…","tags":["$0.05","Base"]},{"id":"/v1/xbrl/fee-war","name":"GET /v1/xbrl/fee-war","description":"Crypto ETF Sentinel — Crypto ETF fee comparison: current expense ratio for every trading US spot crypto ETF, cheapest first, outlier-capped at 200 bps to drop bad XBRL extractions. Use when finding the lowest-cost Bitcoin, Ethereum or othe…","tags":["$0.1","Base"]},{"id":"/v1/agent/issuers","name":"GET /v1/agent/issuers","description":"Crypto ETF Sentinel — Curated directory of every active US spot crypto ETF issuer, including staking ETFs (100+ entries, 30+ cryptocurrencies), each with regulatory stage (registration_filed / under_review / launch_imminent / trading / app…","tags":["$1","Base"]},{"id":"/v1/events","name":"GET /v1/events","description":"Crypto ETF Sentinel — Activity feed of recent notable SEC filings and comment letters for US spot crypto ETFs (Bitcoin, Ethereum, Solana, XRP and more; last 60 days by default): S-1, 424B, 8-A12B, CERT, EFFECT and review correspondence, st…","tags":["$0.1","Base"]},{"id":"/v1/pipeline/risk-scores","name":"GET /v1/pipeline/risk-scores","description":"Crypto ETF Sentinel — Regulatory risk score (0-99) for every US spot crypto ETF (Bitcoin, Ethereum, Solana and more) under SEC review: a composite of filing cadence, time-in-stage, comment-letter intensity and historical approval baselines…","tags":["$0.5","Base"]},{"id":"/v1/pipeline/launch-monitor","name":"GET /v1/pipeline/launch-monitor","description":"Crypto ETF Sentinel — Launch-timing tracker for launch_imminent US spot crypto ETF issuers: days waiting since 8-A12B plus percentile vs the historical 8-A12B → CERT/EFFECT distribution; the baseline is returned in meta on every call. Use…","tags":["$0.5","Base"]},{"id":"/v1/pipeline/deltas","name":"GET /v1/pipeline/deltas","description":"Crypto ETF Sentinel — Week-over-week pipeline delta for US spot crypto ETFs: change in stage counts, filings-7d and under-review count vs a prior daily snapshot (days_back, default 7, max 90). Use when you want the net movement of the cryp…","tags":["$0.1","Base"]}],"listed_by":"the public x402 Bazaar","origin":"community","claimed":false,"community_listed_unclaimed":true,"verified":false,"verified_until":null,"featured":false,"status":"listed","trust":{"score":null,"checked_at":null,"measured_by":"not checked yet"},"live":{"status":"live","checked_at":"2026-10-12T20:35:13Z","detail":"Answered 402 Payment Required (unpaid probe). 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