{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "#/components/schemas/BillingAccount", "title": "BillingAccount", "type": "object", "properties": { "accountId": { "type": "string" }, "policyId": { "type": "string" }, "policyNumber": { "type": "string" }, "balance": { "type": "number" }, "nextDueDate": { "type": "string", "format": "date" }, "nextDueAmount": { "type": "number" }, "paymentPlan": { "type": "string", "enum": [ "FULL_PAY", "SEMI_ANNUAL", "QUARTERLY", "MONTHLY", "DIRECT_BILL" ] } } }