You can get the developer key, by signing up on pastebin.com
Clone the repo
git clone git@github.com:iamropo/pbin.git
cd pbin
Replace the folllowing code in app.js:
...
var developerKey = '' // Your dev key goes here
...
with your developer key
...
var developerKey = '<your developer key from pastebin.com>'
...
and then
npm link
pbin filename
Example
pbin hello.txt