Vellium & Co

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api.cryptoetfsentinel.com

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, sta

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Our latest check (2026-10-11)

Answering
Yes — valid x402 payment terms
Time to answer
82 ms
Price
$0.100 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/events

Accuracy: paid answers checked against an independent record

Not yet in our paid checks. A seller we have not checked has neither passed nor failed.

For agents

This page as JSON: /sellers/c56e5cf0e6a5.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).

Sellers can see the evidence behind their checks and ask for a re-check at [email protected].