{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "#/components/schemas/BillingBalanceResponse", "title": "BillingBalanceResponse", "description": "GET /billing/balance \u2014 current credit balance for the authenticated API key.", "type": "object", "required": [ "balance_cents", "balance_display" ], "properties": { "balance_cents": { "description": "Balance in cents. Negative means credits are available; zero means exhausted.", "type": "integer", "format": "int64" }, "balance_display": { "description": "Human-readable, e.g. \"$5.00 credit\".", "type": "string" } } }