Historical market data (price, market cap, 24h volume) for a coin over the last N days.
Bearer authentication header of the form Bearer <token>, where <token> is your auth token.
CoinGecko coin ID (e.g., bitcoin, ethereum). Get the list via /coins/list.
Target currency for price (e.g., usd, eur, btc). See /simple/supported_vs_currencies.
Data up to N days ago. Accepts 1, 7, 14, 30, 90, 180, 365, or max.
daily (default when days ≥ 90), else auto-granular.
daily Three time-series arrays.