curl --request POST \
  --url 'https://api.stateset.com/api/v1/carts/{id}/shipping' \
  --header "Authorization: Bearer $STATESET_API_KEY" \
  --header 'Content-Type: application/json' \
  --data '{
  "shipping_address": {
    "city": "San Francisco",
    "company": "Acme Outdoors",
    "country": "US",
    "email": "ada.lovelace@example.com",
    "first_name": "Ada",
    "last_name": "Lovelace",
    "line1": "548 Market St",
    "line2": "Suite 400",
    "phone": "+1 415 555 0142",
    "postal_code": "94107",
    "state": "CA"
  },
  "shipping_amount": "8.00",
  "shipping_carrier": "string",
  "shipping_method": "ground"
}'

{
  "cart_number": "string",
  "created_at": "2026-08-31T14:22:05Z",
  "currency": "USD",
  "customer_email": "ada.lovelace@example.com",
  "customer_id": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
  "discount_amount": "5.00",
  "grand_total": "102.12",
  "id": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
  "items": [
    {
      "discount_amount": "5.00",
      "id": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
      "name": "Two-Person Tent",
      "product_id": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
      "quantity": 2,
      "sku": "SKU-TENT-2P-GRN",
      "total": "102.12",
      "unit_price": "49.00"
    }
  ],
  "order_id": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
  "order_number": "ORD-10042",
  "payment_method": "card",
  "shipping_amount": "8.00",
  "shipping_method": "ground",
  "status": "pending",
  "subtotal": "98.00",
  "tax_amount": "4.12"
}