cryptoetfsentinel.com

https://api.cryptoetfsentinel.com

● healthy general

Crypto ETF Sentinel — Quarterly fee-war progression — average + median expense ratios over time across the US spot crypto ETF trading cohort. Documents how fee competition has compressed since spot Bitcoin ETF launch in Jan 2024. -- 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