1- In the project create an key ( will allow browser and other program to access Google Translate API )Â Â Not FreeÂ
2- Test with CURL or a web browser ( just add in the URL: KEY=<type_here_the_API_Key> )
curl "https://www.googleapis.com/language/translate/v2?key=<type_the_key_here>&source=en&target=de&q=Hello%20World"
Dashboard: