curl --request POST \
  --url https://{operatorDomain}/v1/admin/operations/availability/slots \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "productId": "prod_01J9",
  "startsAt": "2023-11-07T05:31:56Z",
  "capacity": 20
}
'

{
  "data": {}
}