How often the subscription is renewed automatically.
{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "#/components/schemas/bill-subs-api_frequency", "title": "bill-subs-api_frequency", "description": "How often the subscription is renewed automatically.", "enum": [ "weekly", "monthly", "quarterly", "yearly" ], "example": "monthly", "type": "string" }