npm install @paymint/shared

import type {
  // Products & Pricing
  Product,
  Price,
  BillingCycle,
  TrialPeriod,
  
  // Subscriptions
  Subscription,
  SubscriptionStatus,
  SubscriptionItem,
  ScheduledChange,
  BillingPeriod,
  
  // Customers
  Customer,
  InitializeRequest,
  
  // Checkout
  InitializeResponse,
  CheckoutItem,
  CheckoutSettings,
  
  // Common
  ApiResponse,
  ApiError,
  Environment,
} from '@paymint/shared';

import {
  PaymintError,
  AuthenticationError,
  ValidationError,
  NotFoundError,
  RateLimitError,
} from '@paymint/shared';