curl --request GET \
  --url https://api.trysynch.com/Customer/Notifications \
  --header 'Authorization: Bearer <token>'

{
  "newsEmail": true,
  "newsPush": true,
  "overdraftWarningsEmail": true,
  "overdraftWarningsPush": true,
  "paymentStatusEmail": true,
  "paymentStatusPush": true,
  "paymentDueEmail": true,
  "paymentDuePush": true
}