Now works with the new Google API, you can get a 60 day free trail, after that it will cost a small amount to translate messages.
How to get a 60 day free trail with google translate:
You will need to have a visa card, but its google so they won't scam you.
1. Go to https://cloud.google.com/free-trial/
2. Click on the Try It Free button and fill out your details
3. Now that you are on your dashboard, click create a project
4. Name it iTranslate and click create
5. Click Enable and manage APIs under Use Google APIs
6. Click Enable API
7. Under Google Cloud Machine Learning click Translation API
8. Click Enable
9. Click Credentials on the left
10. Click create credentials
11. Click API key
12. Put the API key into the config.yml