curl --request GET \
  --url https://api.squared.ai/api/v1/syncs/configurations \
  --header 'Authorization: Bearer <token>'

{
  "data": {
    "configurations": {
      "catalog_mapping_types": {
        "standard": "<string>",
        "static": {
          "string": {
            "type": "string",
            "description": "<string>"
          },
          "number": {
            "type": "float",
            "description": "<string>"
          },
          "boolean": {
            "type": "boolean",
            "description": "<string>"
          },
          "null": {
            "description": "<string>"
          }
        },
        "template": {
          "variable": {
            "current_timestamp": {
              "type": "datetime",
              "description": "<string>",
              "value": "<string>"
            }
          },
          "filter": {
            "cast": {
              "description": "<string>",
              "value": "<string>"
            },
            "regex_replace": {
              "description": "<string>",
              "value": "<string>"
            }
          }
        }
      }
    }
  }
}