https://api.cryptoetfsentinel.com/v1/agent/issuers
Crypto ETF Sentinel — Curated directory of every active US spot crypto ETF issuer, including staking ETFs (100+ entries across 30+ cryptocurrencies). Each entry carries regulatory-stage classification (registration_filed / under_review / launch_imminent / trading / approved / withdrawn), ticker, exchange, owner organisation, and SEC CIK. Pair with paid per-issuer routes (``?cik=`` query param) to drill into comment letters, XBRL financials, or POS AM profiles.
What this profile is sourced from
Things to know before drawing strong conclusions
accepts[] entry is used.Raw HTTP — what an agent observes
GET https://api.cryptoetfsentinel.com/v1/agent/issuers → HTTP/1.1 402 Payment Required X-Payment-Required: $1.0000 X-Payment-Currency: USDC X-Payment-Chain: base GET https://api.cryptoetfsentinel.com/v1/agent/issuers X-Payment: <signed-receipt> → HTTP/1.1 200 OK Content-Type: application/json …response body…