curl --request POST \
  --url https://api-v2.missioninbox.com/projects/ \
  --header 'Content-Type: application/json' \
  --data '{
  "name": "<string>",
  "relay_server": 123
}'

{
  "id": 123,
  "name": "<string>",
  "domains": "<string>",
  "mailboxes": "<string>",
  "sent_emails": "<string>",
  "open_rate": "<string>",
  "reply_rate": "<string>",
  "bounce_rate": "<string>",
  "spam_complaints": "<string>",
  "status": "<string>",
  "health": "<string>"
}