When we come across a term Quota in a Google API, it makes a strange feeling and buzz around many Questions like
What if I exceed this limit?
Will Google ask for money if my Qauta exceeds?
What is the meaning of these limits when I use Key in an API?
Now If you want to use any of Google API service like Google Maps, Youtube etc from their thousands of available API’s, you need a Key. This key will monitor, protect, limit your API service usage.