import requests

url = "https://{FUSION HOST}/api/custom-rule-types"

headers = {"Authorization": "Basic <encoded-value>"}

response = requests.get(url, headers=headers)

print(response.text)

[
  {
    "id": "<string>",
    "display_type": "<string>",
    "pipeline_id": "<string>",
    "schema": {
      "additionalProperties": {},
      "category": "<string>",
      "categoryPriority": 123,
      "default": "<string>",
      "definitions": {},
      "description": "<string>",
      "enum": [
        {}
      ],
      "hints": [
        "<string>"
      ],
      "maxProperties": 123,
      "minProperties": 123,
      "oneOf": [
        {
          "title": "<string>",
          "description": "<string>",
          "default": "<string>",
          "category": "<string>",
          "categoryPriority": 123,
          "hints": [
            "<string>"
          ],
          "unsafe": true,
          "oneOf": [
            {
              "title": "<string>",
              "description": "<string>",
              "default": {},
              "category": "<string>",
              "categoryPriority": 123,
              "hints": [
                "<string>"
              ],
              "unsafe": true
            }
          ]
        }
      ],
      "properties": {},
      "propertyGroups": [
        {
          "label": "<string>",
          "properties": [
            "<string>"
          ]
        }
      ],
      "required": [
        "<string>"
      ],
      "title": "<string>",
      "unsafe": true
    }
  }
]