Fetches historical market data from CoinGecko API for cryptocurrency analysis.

Inputs

• Coin ID required: CoinGecko coin identifier (e.g., "bitcoin")
• Days required: Number of days of historical data
• Currency required: Price currency (e.g., "usd")

Example

{
  "Coin ID": "ethereum",
  "Days": 30,
  "Currency": "usd"
}

Outputs

• Prices: Array of price data points
• Market Caps: Array of market capitalization data
• Total Volumes: Array of trading volume data