api.cryptoetfsentinel.com
Crypto ETF Sentinel — SEC filing tracker for US spot crypto ETFs across Bitcoin, Ethereum, Solana, XRP and 30+ assets: freshest filings within ~10 minutes of detection, newest first (50 by default, max 100). Covers S-1, 424B, 8-A12B, CERT,
Go to this service →Our latest check (2026-10-11)
- Answering
- Yes — valid x402 payment terms
- Time to answer
- 70 ms
- Price
- $0.200 per call
- Paying buyers, last 30 days
- 1 (directory's own records)
- Paid calls, last 30 days
- 1
- Category
- Crypto prices
- Address
- https://api.cryptoetfsentinel.com/v1/agent/filings/recent
Accuracy
Accuracy scores are published once a seller has enough paid checks against an independent record (at least 7 scored answers over at least 7 days). Until then no score is shown, and a missing score is never a pass.
For agents
This page as JSON: /sellers/245bef9ac8fa.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).