{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "#/components/schemas/bill-subs-api_current_period_start", "title": "bill-subs-api_current_period_start", "description": "When the current billing period started. May match initial_period_start if this is the first period.", "example": "2014-05-11T12:20:00Z", "format": "date-time", "readOnly": true, "type": "string" }