Build on Elara One

# 1. Create a cart
curl -X POST https://api.elaraone.app/api/v1/cart \
  -H "X-Tenant-Key: $ELARAONE_TENANT_KEY" \
  -H "X-Tenant-Secret: $ELARAONE_TENANT_SECRET"

# 2. Add a line, safe to retry
curl -X POST https://api.elaraone.app/api/v1/cart/lines \
  -H "X-Tenant-Key: $ELARAONE_TENANT_KEY" \
  -H "X-Tenant-Secret: $ELARAONE_TENANT_SECRET" \
  -H "X-Cart-Token: $CART_TOKEN" \
  -H "Idempotency-Key: $(uuidgen)" \
  -H "Content-Type: application/json" \
  -d '{ "sku": "LAMP-OAK-NAT", "quantity": 1 }'

const API = 'https://api.elaraone.app/api/v1'
const headers = {
  'X-Tenant-Key': process.env.ELARAONE_TENANT_KEY!,
  'X-Tenant-Secret': process.env.ELARAONE_TENANT_SECRET!,
}

// 1. Create a cart
const { data } = await fetch(`${API}/cart`, { method: 'POST', headers })
  .then((r) => r.json())

// 2. Add a line, safe to retry
const cart = await fetch(`${API}/cart/lines`, {
  method: 'POST',
  headers: {
    ...headers,
    'X-Cart-Token': data.cart_token,
    'Idempotency-Key': crypto.randomUUID(),
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({ sku: 'LAMP-OAK-NAT', quantity: 1 }),
}).then((r) => r.json())

console.log(cart.data.total.formatted) // "£89.00"