curl --request GET \
  --url https://api.atlas.kitchen/storefronts/v1/outlets/{outlet_id}/serving_dates/{serving_date}/availabilities \
  --header 'X-Channel-Id: <api-key>'

{
  "outlet_id": 123,
  "serving_date": "2023-12-25",
  "fulfilment_type": "<string>",
  "timeslot_start": 123,
  "timeslot_end": 123,
  "availabilities": {
    "sections": {},
    "items": {}
  },
  "lead_times": {}
}