I'm trying to create a user on my rails app with a curl command from os x terminal. No matter how I format the data, the app returns a responses that non of my validations have passed. curl http://localhost:3000/api/1/users.json -i -X POST -d {"user":{"first_name":"firstname","last_name":"lastname","email":"email@email.com","password":"app123","password_confirmation":"app123"}}" I've tried every v