Real-time spot crypto ETF flows for Bitcoin, Ethereum, Solana, XRP and Hyperliquid — plus the CEFI sentiment index, live prices and weekly analytics. One clean REST API, free with an API key.
# Get Bitcoin spot ETF daily net flows
curl -H "Authorization: Bearer YOUR_API_KEY" \
https://api.cryptoetf.today/api/v1/flows/btcbase: https://api.cryptoetf.today/api/v1
Everything you need to build dashboards, alerts, bots and research tools around spot crypto ETF activity.
Daily net inflows and outflows for every spot crypto ETF, with per-asset history.
Our composite Crypto ETF Flow Sentiment index for BTC, ETH, SOL, XRP and combined flows.
Current spot prices for all tracked assets, refreshed continuously.
Clean directory of tracked assets and symbols to bootstrap your integration.
Pre-aggregated 7-day flow analytics — totals, averages, positive vs negative days.
Data parsed daily from primary sources and served as clean, predictable JSON.
Base URL https://api.cryptoetf.today/api/v1. Assets: btc, eth, sol, xrp, hyp.
Register, grab an API key, and start pulling crypto ETF data immediately — no credit card, no sales call.
Predictable REST endpoints, stable JSON schemas, and a live OpenAPI spec you can generate clients from.
Bitcoin, Ethereum, Solana, XRP and Hyperliquid spot ETF flows from a single, consistent API.
An llms.txt manifest plus an MCP key so AI tools like Claude and Cursor can query the data directly.
See the same crypto ETF flow data powering the API across our live trackers.
Full historical data, higher rate limits, extended analytics or a managed MCP integration — tell us what you're building and we'll set you up.