Notwithstanding I don't  exercise that Key on product environment, and erstwhile am done with developments, I bequeath erase the API identify straightaway. If you are operative on localhost, make a divide APIkey for your developing and  ORGY PORN VIDEOS then get rid of restrictions on that Florida key so that your localhost canful consumption it. Recall to non utilisation this primal on production, so you don't break your distinguish to hunters online.
Where it says "Accept requests from these HTTP referrers (websites) (Optional)" you don't need to induce whatever referrer enrolled. Guess I'm a flake belated to the party, and although I concord that creating a seperate key out for maturation (localhost) and intersection it is possible to do both in alone 1 distinguish.