Get a customer by ID

export interface Response {
  /**
   * A unique identifier for the customer
   */
  id: string;
  /**
   * The type of customer: individual or business
   */
  type: "individual" | "business";
  /**
   * The first name of the customer
   */
  firstName?: string | null;
  /**
   * The middle name of the customer
   */
  middleName?: string | null;
  /**
   * The last name of the customer
   */
  lastName?: string | null;
  /**
   * The legal name of the business (for business customers)
   */
  legalName?: string | null;
  /**
   * The website URL of the business (for business customers)
   */
  website?: string | null;
  /**
   * The primary email address of the customer
   */
  email: string;
  /**
   * The primary phone number of the customer in E.164 format (e.g., +1234567890)
   */
  phone: string;
  /**
   * The date of birth of the customer in ISO 8601 format (YYYY-MM-DD)
   */
  birthDate?: string | null;
  /**
   * The country of the customer (ISO 3166-1 alpha-2 or alpha-3 code)
   */
  country?: string | null;
  /**
   * The KYC verification status of the customer
   */
  status: "not_started" | "incomplete" | "under_review" | "approved" | "rejected" | "pending_verification";
  /**
   * The provided metadata of the customer
   */
  metadata?: {
    [k: string]: string | number | boolean;
  } | null;
  /**
   * Array of customer wallet addresses (only present in legacy mode)
   */
  walletAddresses?: string[];
  /**
   * The total balance of the customer in USD
   */
  balance: number;
  /**
   * The date and time the customer was created
   */
  createdAt: string;
  /**
   * The date and time the customer was last updated
   */
  updatedAt: string;
}