OHLC candles for a coin.
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.
1, 7, 14, 30, 90, 180, 365.
Array of OHLC rows: [timestamp, open, high, low, close].