export interface DataFastPaymentRequest { transaction_id: string; currency: string; amount: number; timestamp?: string; refunded?: boolean; renewal?: boolean; customer_id?: string; name?: string; email?: string; datafast_visitor_id?: string; datafast_session_id?: string; } export interface DataFastPaymentResponse { message: string; transaction_id: string; } export interface DataFastConfig { apiKey: string; }