curl --request GET \
  --url https://api-beta.ai-baseline.xyz/v2/sandp_500/metadata-filters \
  --header 'X-API-Key: <api-key>'

{
  "domain": "<string>",
  "schema_version": "<string>",
  "fields": [
    {
      "name": "<string>",
      "description": "<string>",
      "value_type": "<string>",
      "operators": [
        "<string>"
      ],
      "has_values": true,
      "numeric_bounds": {
        "min": 123,
        "max": 123
      },
      "max_values_per_condition": 123,
      "max_value_length": 123,
      "allowed_values": [
        {
          "value": "<string>",
          "display_value": "<string>",
          "aliases": [
            "<string>"
          ]
        }
      ]
    }
  ]
}