cryptoetfsentinel.com

https://api.cryptoetfsentinel.com

● healthy general

Crypto ETF Sentinel — Crypto ETF fee comparison: current expense ratio for every trading US spot crypto ETF, sorted cheapest first — compare fees and find the lowest-cost Bitcoin, Ethereum and other crypto ETFs. Outlier-capped at 200bps to drop bad XBRL extractions. -- reliability 91.0/100 per Paygent Discover

How to call

cURL · x402-fetch / x402-axios will auto-handle 402

curl -X POST https://api.cryptoetfsentinel.com

/.well-known/x402.json

https://api.cryptoetfsentinel.com/.well-known/x402