/**
 * Spendable balance on the account this key bills.
 *
 * Sourced from the workspace wallet for a workspace-bound key, else the
 * caller's personal balance. While the segregated API wallet is enabled, both
 * key types instead read the API wallet that generation debits draw on (a
 * personal key resolves its bound workspace).
 *
 * Every amount is in US dollars.
 */
export interface BalanceResponse {
    /** Spendable balance. */
    balance: number;
    /** Amount consumed in the current billing period; null for the non-expiring API wallet (see GET /v3/usage). */
    spent?: (number | null) | undefined;
    /** ISO-4217 currency code for every amount in this response. */
    currency: string;
}