What about this : https://www.digitalocean.com/api_access

Im no expert :(

[code]Reset Root Password
This method will reset the root password for a droplet. Please be aware that this will reboot the droplet to allow resetting the password.

Request URL:
https://api.digitalocean.com/droplets/[droplet_id]/password_reset/?client_id=[your_client_id]&api_key=[your_api_key]
Parameters
droplet_id Required, Integer, this is the id of your droplet that you want to reset password on
Sample Response
{
"status": "OK",
"event_id": 7501
}[/code]

You will have to use SSH keys if you want to do it with the API only.

Want your password has been sent to the specified email. mailA@mail.com, MailB@mail.com