Market sizing

import os
import requests

API_KEY = os.environ["ISTARI_API_KEY"]


def aggregate_market(
    country: str,
    nace_code: str,
    group_by: str = "state",
    limit: int = 20,
) -> list[dict]:
    body = {
        "filters": {
            "country": [country],
            "nace_code": [nace_code],
        },
        "group_by": group_by,  # or: country, region, organization_size, nace_code, ...
        "limit": limit,
    }
    resp = requests.post(
        "https://api.istari.ai/v2/stats",
        headers={"x-api-key": API_KEY, "Content-Type": "application/json"},
        json=body,
    )
    return resp.json()["data"]


for bucket in aggregate_market("Germany", "NACE C: Manufacturing"):
    print(bucket["state"], bucket["count"])