{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "#/components/schemas/category_details", "title": "Category Details", "type": "object", "properties": { "purchases": { "type": "string" }, "cash_advances": { "type": "string" }, "balance_transfers": { "type": "string" } }, "required": [ "purchases", "cash_advances", "balance_transfers" ] }