React

import { createBillingClient } from "billsdk/react";

export const billing = createBillingClient({
  baseURL: "/api/billing",
});

// Subscription
const { data: subscription } = billing.useSubscription();
subscription?.status  // "active" | "trialing" | ...
subscription?.planCode

// Plans
const { data: plans } = billing.usePlans();

// Customer
const { data: customer } = billing.useCustomer();

// After auth
billing.setCustomerId(user.id);

// On logout
billing.setCustomerId("");

// Global refresh
billing.refresh();

// Per-hook refresh
const { refresh } = billing.useSubscription();