curl --request POST \
  --url https://api.cala.ai/v1/knowledge/query \
  --header 'Content-Type: application/json' \
  --header 'X-API-KEY: <api-key>' \
  --data '
{
  "input": "startups.location=Spain.funding>10M.funding<50M"
}
'

{
  "entities": [
    {
      "entity_type": "Company",
      "id": "e2932ee7-7b57-42b7-8c58-cdfcdf56ceb5",
      "mentions": [
        "Amenitiz"
      ],
      "name": "Amenitiz"
    },
    {
      "entity_type": "Company",
      "id": "e843fc48-8339-4c99-a6e2-e7fb1cc738b1",
      "mentions": [
        "H2SITE"
      ],
      "name": "H2SITE"
    },
    {
      "entity_type": "Company",
      "id": "af3ff4b5-27a9-45d5-8c67-b656cb38e6b8",
      "mentions": [
        "Fracttal"
      ],
      "name": "Fracttal"
    }
  ],
  "results": [
    {
      "company": "Amenitiz",
      "funding_amount": "€38.9M",
      "round_type": "Series B",
      "sector": "Hospitality SaaS",
      "year": 2025
    },
    {
      "company": "H2SITE",
      "funding_amount": "€36M ($37.2M)",
      "round_type": "Series B",
      "sector": "Hydrogen Energy",
      "year": 2025
    },
    {
      "company": "Fracttal",
      "funding_amount": "€29.8M ($35M)",
      "round_type": "Series B",
      "sector": "AI Maintenance",
      "year": 2026
    }
  ]
}