Get historical taker buy/sell volume data for a specific spot trading pair on an exchange. Returns time series data with buy volume, sell volume, and USD values per interval. Ideal for: order flow analysis, buy/sell pressure detection, volume trend analysis, market sentiment.

Get historical taker buy/sell volume data aggregated across exchanges for a specific coin. Returns time series data with aggregated buy/sell volume and USD values per interval. Ideal for: market-wide order flow analysis, cross-exchange sentiment, volume aggregation, trend detection.