Source: https://databento.com/docs/portal/data-usage


# Data usage

![Data Usage](https://databento.com/docs/data-usage-0.png.md)

### Overview

The data usage page allows users to monitor their most recent and historical data usage.
Additionally, Owners and Admins can monitor data usage for members of their team.

### Recent data usage

This section shows data usage for the most recent 12 hours. The following metrics are shown:

- **Cost.** The total cost in dollars.
- **Gigabytes.** The total amount of data used in gigabytes.
- **API keys.** The number of API keys currently in use with open connections.
- **Connections.** The total number of open connections.

You can filter these metrics based on the following:

- **Dataset.** Filter by dataset.
- **API Key.** Filter by the API key.
- **Mode.** Filter by mode. Options are **Historical Streaming, Historical Batch**, and **Live**.
  - **Historical Streaming.** Streaming requests made through the [Historical.timeseries](https://databento.com/docs/api-historical/timeseries.md) endpoint.
  - **Historical Batch.** Batch download requests made through either the [Historical.batch](https://databento.com/docs/api-historical/batch.md) endpoint, or the [online portal](https://databento.com/docs/portal/batch-download.md).
  - **Live.** Real-time data streamed from the [Live API](https://databento.com/docs/api-live.md).

### Past data usage

![Past data usage](https://databento.com/docs/data-usage-1.png.md)

This section shows live and historical data usage for a selected time range. You can view
data usage based on the following:

- **Date range.** The specific date range to filter on.
- **Dataset.** View data usage by dataset.
- **API Key.** View data usage by API Key.

You can sort these results by the following:

- **Cost (%).** The cost as a percentage of the total.
- **Cost ($).** The total cost in dollars.
- **Size (GB).** The total size of the data in gigabytes.

> **See also**
> If viewing this data by dataset, you can use the caret next to the dataset name to view
> data usage by mode and schema.