curl --request POST \
  --url http://localhost:8080/api/v1/tap/cron \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "description": "Every weekday at 4pm ET"
}
'

{
  "cronExpression": "0 0 16 ? * MON-FRI"
}