curl --request PATCH \
  --url https://api.atlas.kitchen/storefronts/v1/cart \
  --header 'Content-Type: application/json' \
  --header 'X-Channel-Id: <api-key>' \
  --header 'X-Session-Id: <api-key>' \
  --data '
{
  "outlet_id": 123,
  "brand_id": 123,
  "serving_date": "2023-12-25",
  "timeslot_start": 123,
  "timeslot_end": 123,
  "contact_name": "<string>",
  "contact_email": "jsmith@example.com",
  "contact_number": "<string>",
  "address_line1": "<string>",
  "address_line2": "<string>",
  "address_latitude": 123,
  "address_longitude": 123,
  "postal_code": "<string>",
  "is_gift": true,
  "recipient_name": "<string>",
  "recipient_contact_number": "<string>",
  "gift_message": "<string>",
  "notes": "<string>"
}
'

{
  "id": 2,
  "channel_id": 1,
  "outlet_id": 1,
  "brand_id": 1,
  "user_id": null,
  "timeslot_start": 34200,
  "timeslot_end": 36000,
  "timeslot_type": "available_timeslots",
  "fulfilment_type": "delivery",
  "notes": null,
  "is_gift": false,
  "recipient_name": null,
  "recipient_contact_number": null,
  "gift_message": null,
  "promo_code": null,
  "is_checked_out": false,
  "use_points": false,
  "serving_date": "2026-04-17",
  "timeslot_range": "9:30AM–10:00AM",
  "contact_email": "jane@example.com",
  "contact_name": "Jane Doe",
  "contact_number": "+6591234567",
  "address_line1": "123 Orchard Road",
  "address_line2": "#04-56",
  "address_longitude": 103.8198,
  "address_latitude": 1.3021,
  "postal_code": "238858",
  "brand": {
    "name": "Aviato Burger"
  },
  "cart_items": []
}