curl --request GET \
  --url https://api.openfunnel.dev/api/v1/people/filters \
  --header 'X-API-Key: <x-api-key>' \
  --header 'X-User-ID: <x-user-id>'

{
  "filters": [
    {
      "field_name": "<string>",
      "description": "<string>",
      "type": "<string>",
      "required": false,
      "options": [
        "<string>"
      ],
      "schema_description": "<string>"
    }
  ]
}