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api.cryptoetfsentinel.com

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 w

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Our latest check (2026-10-11)

Answering
Yes — valid x402 payment terms
Time to answer
68 ms
Price
$0.500 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/pipeline/velocity

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/a3c7c1c4d133.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].