generated: '2026-07-22' method: searched source: https://eodhd.com/llms.txt + https://github.com/EodHistoricalData/eodhd-claude-skills (websockets reference) docs: https://eodhd.com/financial-apis/ model: shared demo API key against production hosts (no separate sandbox environment) demo_key: api_token: demo usage: append ?api_token=demo to any supported REST call, or connect the WebSocket with api_token=demo rest_tickers: - AAPL.US - MSFT.US - TSLA.US - VTI.US - AMZN.US - SWPPX.US - EURUSD.FOREX - BTC-USD.CC websocket_tickers: us: [AAPL, MSFT, TSLA] forex: [EURUSD] crypto: [ETH-USD, BTC-USD] free_tier: calls_per_day: 20 history: past year only, limited endpoints signup: https://eodhd.com/register marketplace_demo: notes: PRAAMS marketplace analytics endpoints publish demo access for selected equities, bonds, and banks (per llms.txt endpoint descriptions). examples: - curl "https://eodhd.com/api/eod/AAPL.US?api_token=demo&fmt=json" - wss://ws.eodhistoricaldata.com/ws/us?api_token=demo notes: >- All demo values above are published verbatim by EODHD. The Postman collection the provider publishes is documented as "demo key compatible". There is no test-vs-live key prefix scheme; the demo token and the free tier are the published test surface.