curl --request POST \
  --url https://v1.api.flux-os.com/contracts/{id}/schedules/{schedule_id}/update-status \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --header 'x-user-id: <api-key>' \
  --data '{
  "status": 123
}'

{
  "error": "Unauthorized."
}