# Crypto ETF Sentinel > Real-time SEC filing intelligence for US spot crypto ETFs. Crypto ETF Sentinel tracks SEC EDGAR for filings related to US-listed spot crypto ETFs (Bitcoin, Ethereum, Solana, XRP, multi-asset, staking variants). Built as an autonomous oracle on the Fetch.ai uAgents framework, with REST API, Telegram alerts, web terminal, and x402 micropayment endpoints for AI agents. ## Pages - [Home](https://cryptoetfsentinel.com/): product overview, free Telegram alerts - [Terminal](https://cryptoetfsentinel.com/terminal): live pipeline, fee comparison, fund health (Professional tier) - [API documentation](https://cryptoetfsentinel.com/docs.html): REST + x402 endpoint reference ## Topic guides (public, refreshed nightly from SEC data) - [Bitcoin spot ETFs](https://cryptoetfsentinel.com/bitcoin-spot-etfs.html): live roster of trading US spot Bitcoin ETFs, sponsor fees, AUM - [Ethereum spot ETFs](https://cryptoetfsentinel.com/ethereum-spot-etfs.html): live roster of trading US spot Ethereum ETFs, including staking variants - [Recent crypto ETF filings](https://cryptoetfsentinel.com/recent-crypto-etf-filings.html): 20 most recent filings (24h delay) - [Crypto ETF fee comparison](https://cryptoetfsentinel.com/crypto-etf-fee-comparison.html): sponsor fees and AUM for top-10 funds by AUM ## Access tiers - Free: 25 calls/day, 24-hour filing delay; full issuer list with 24h-delayed pipeline `stage` via `/v1/issuers` (other fields gated); full filing history + semantic search - Developer ($10/mo): real-time data, full 105-issuer catalogue, events, XBRL financials, comment letters - Professional ($25/mo): everything in Developer + pipeline intelligence (risk scores, outcome signals, launch monitor, velocity) + terminal dashboard - Per-call via x402 (USDC on Base OR Solana mainnet, no API key needed): full 105-issuer catalogue at `/v1/agent/issuers` for $1.00 — each issuer tagged with its regulatory stage, 5-node journey position (`journey_node`), and real `trading_date` — or $0.03–$0.50 per route across 22 priced endpoints, all indexed in CDP Bazaar discovery. Machine-readable manifest: `/.well-known/x402`. Keyless requests get an x402 challenge; requests with `X-Api-Key` get tier-gated (human Stripe path) ## Score track record (free, no key, no payment) - `GET https://api.cryptoetfsentinel.com/v1/pipeline/accuracy`: public accuracy record for the Approval Likelihood Score. Point-in-time backtest aggregates per forecast horizon (30/90/180 days before each outcome, leave-one-out, era-segmented) plus a live layer of scores frozen daily BEFORE outcomes are known (unrevisable by construction). Example stat: 30 days before outcomes, 31 of 32 issuers rated 70+ went on to trade. Aggregates only — per-issuer scores are the paid `/v1/pipeline/outcome-signals` product. The score is a heuristic filing-pattern benchmark, not a probability or prediction. ## Coverage - US spot crypto ETFs only (staking IS spot under SEC definition) - Out of scope: futures-based, options-strategy, leveraged/inverse, mining equity, single-stock crypto, non-US listings - Currencies tracked: Bitcoin, Ethereum, Solana, XRP, Litecoin, Avalanche, Hedera, Sui, Polkadot, Bittensor, Hyperliquid, and others ## Agent discovery - Agentverse: `agent1qgxf02v57h20fr722sz6asg2udpwz0w8kdym6j9xn5v373mrrh4m5hdc7uk` - CDP Bazaar payTo: `0x169Bf49c6ee5A179190121Ab8D180B50e31683d1` (Base mainnet, USDC) - Solana payTo: `Ezzbt3d3K76pmQpwbeXkggCs5n7Q3JWG3iCmtdKdpMxk` (Solana mainnet, USDC) - ASI:One: ChatProtocol enabled ## Legal - [Terms of Service](https://cryptoetfsentinel.com/terms.html) - [Privacy Policy](https://cryptoetfsentinel.com/privacy.html) - [Data Disclaimer](https://cryptoetfsentinel.com/disclaimer.html)