api.cryptoetfsentinel.com
Crypto ETF Sentinel — Crypto ETF AUM leaderboard: top-N US spot crypto ETF issuers ranked by assets under management or another XBRL TIER1 concept, from daily-updated XBRL facts. Use when you need the largest Bitcoin, Ethereum and other cry
Go to this service →Our latest check (2026-10-11)
- Answering
- Yes — valid x402 payment terms
- Time to answer
- 73 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/xbrl/leaderboard
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/f58084e793e5.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).