> For the complete documentation index, see [llms.txt](https://developers.innerspace.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developers.innerspace.io/api-reference-v2.md).

# API Reference (v2)

This is a graphql API.

Insights are published for buildings, floors (site) and zones (polygon on a floorplan).

All GraphQL APIs are available at `https://api.innerspace.io`

### Example

The following example uses `building_id` `71`, which is the DEMO building.

{% code title="Python GraphQL" lineNumbers="true" %}

```python
import sys
import logging
import requests
from gql import gql, Client
from gql.transport.aiohttp import AIOHTTPTransport
from gql.transport.aiohttp import log as requests_logger

requests_logger.setLevel(logging.WARNING)

API_BASE_URL = "https://api.innerspace.io"
AUDIENCE = "https://global-config.innerspace.io"
CLIENT_ID = "Your Client ID"
CLIENT_SECRET = "Your Client Secret"


def get_session_id():
    response = requests.post(
        url=f"{API_BASE_URL}/v2/oauth/token",
        json={
            "client_id": CLIENT_ID,
            "client_secret": CLIENT_SECRET,
            "audience": AUDIENCE,
        },
    )
    response.raise_for_status()
    return response.json()["session_id"]


def main(argv):
    session_id = get_session_id()

    transport = AIOHTTPTransport(
        url=f"{API_BASE_URL}/v2/api",
        headers={"X-Session-Id": session_id},
    )

    client = Client(transport=transport, fetch_schema_from_transport=False)

    query = """
        query sample_graphql {
            BUILDING_INSIGHTS(
                where: {
                      DATE_PARTITION: {_eq: 20250501},                                                                                                     
                      BUILDING_ID: {_eq: 71},
                      GRANULARITY: {_eq: "PT1H"},                                                                                                          
                      GROUP_ID: {_eq: "00000000-0000-0000-0000-000000000000"},
                      SITE_ID: {_eq: 900000222} 
                },
                order_by: {DATE_TIME_START: desc}
            ) {
                  BUILDING_ID                                                                                                                              
                  DATE_TIME_START
                  OCCUPANCY_MEAN                                                                                                                           
                  GRANULARITY                            
                  GROUP_ID
                  SITE_ID
            }
        }
    """
    print(client.execute(gql(query)))


if __name__ == "__main__":
    main(sys.argv)
```

{% endcode %}