/**
 * Interface representing an SMS response from the API.
 */
export interface SmsResponse {
    /** Status of the SMS request. */
    status?: string;
    /** Unique message ID assigned by the API. */
    message_id?: string;
    /** Campaign ID returned by the API. */
    campaign_id?: number;
    /** List of invalid phone numbers, if any. */
    invalid_numbers?: string[];
}