npm install @spree/sdk

import { createClient } from '@spree/sdk';

const client = createClient({
  baseUrl: 'https://api.mystore.com',
  publishableKey: 'spree_pk_xxx',
});

// Browse the catalog
const products = await client.products.list({ limit: 10, expand: ['variants', 'media'] });

// Cart + checkout
const cart = await client.carts.create();
await client.carts.items.create(cart.id, { variant_id: 'var_abc123', quantity: 2 }, { spreeToken: cart.token });

// Customer authentication (JWT)
const { token } = await client.auth.login({ email: '[email protected]', password: 'password123' });
const orders = await client.customer.orders.list({}, { token });