cryptoetfsentinel.com

https://api.cryptoetfsentinel.com

● healthy general

Crypto ETF Sentinel — Bulk POS AM-extracted profiles for every trading US spot crypto ETF: custodian, sponsor fee, authorized participants, basket size, in-kind eligibility. Extraction quality varies by field (in-kind ~32% TP, AP roster ~70% TP) — see API docs. -- 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