Any chance you could possibly elaborate on this? A working curl POST command would be great.
I can GET data fine, but I'm having great difficulty POST'ing, getting either "failed to retrieve default value" or just an empty HTTP 500 response
EDIT
I figured it out, you just do something like
$ curl -u user:key -X POST -v "http://blesta.acme.com/users/add.json" -d "vars[username]=test&vars[new_password]=test12&vars[confirm_password]=test12"