curl --request GET \
  --url https://api-next.dealroom.co/api/reference/filters \
  --header 'Authorization: Bearer <token>'

{
  "data": [
    {
      "key": "tag_id",
      "label": "Tags",
      "description": "Find companies by sector, industry, technology, or other tags.",
      "description_long": "Use tags to narrow companies by Dealroom's taxonomy. Combine multiple tag IDs with multi-value operators.",
      "examples": [
        {
          "value": 42,
          "label": "Fintech"
        },
        {
          "value": 123,
          "label": "Climate"
        }
      ],
      "type": "id_lookup",
      "category": "Sectors",
      "operators": [
        "eq",
        "neq",
        "in_any",
        "in_all",
        "nin_any",
        "nin_all"
      ],
      "supports_type_filter": true,
      "sub_types": [
        {
          "key": "industry",
          "label": "Industries"
        },
        {
          "key": "technology",
          "label": "Technologies"
        },
        {
          "key": "sector",
          "label": "Sectors"
        }
      ]
    },
    {
      "key": "launch_date",
      "label": "Founded Year",
      "type": "date",
      "category": "Company Info",
      "operators": [
        "gte",
        "lte",
        "between"
      ]
    },
    {
      "key": "is_vc_backed",
      "label": "VC Backed",
      "type": "boolean",
      "category": "Funding",
      "operators": [
        "eq"
      ]
    }
  ]
}