> ## Documentation Index
> Fetch the complete documentation index at: https://docs.blockworks.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Sector Marketdata

> Circulating market capitalization and trading volume in USD summed over the assets in a sector. Each series is one sector, keyed by its name.

|                  |                                                                                                              |
| ---------------- | ------------------------------------------------------------------------------------------------------------ |
| Access           | Paid                                                                                                         |
| Timeseries model | `sector-marketdata`: intervals `1d`, `1h`, series key `sector` (Sectors), every series available in one call |

## Endpoints

<CardGroup cols={2}>
  <Card title="Batch Get Sector timeseries" icon="arrow-right" href="/api-reference/data-api/market-overview/timeseries-sector-marketdata">
    Every series in one request, or the named ones.
  </Card>

  <Card title="Get Sector timeseries" icon="arrow-right" href="/api-reference/data-api/market-overview/timeseries-sector-marketdata-by-id">
    One series over a time window, keyed by its Sectors.
  </Card>
</CardGroup>

## Metrics

2 metrics. Use the `Field` value in `selections`; every point starts with the timestamp and continues in this order.

| Field                   | Name                  | Type    | Unit | Description                                        |
| ----------------------- | --------------------- | ------- | ---- | -------------------------------------------------- |
| `circulating-marketcap` | Circulating Marketcap | float64 | usd  | The circulating marketcap of the sector.           |
| `volume`                | Volume                | float64 | usd  | The volume of the sector during the time interval. |

## Example

```bash curl theme={null}
curl "https://api.blockworks.com/query/timeseries/sector-marketdata/1d/AI?timeframe=7d&selections=circulating-marketcap,volume" \
  -H "X-Blockworks-API-Key: $BLOCKWORKS_API_KEY"
```

See [Get Sector timeseries](/api-reference/data-api/market-overview/timeseries-sector-marketdata-by-id) for the response and the errors.