Destiny is Bungie's lowest rated game since Oni, in 2001. In the social media age, the ability to control messages through expensive and highly controlled marketing is still highly prized by large companies, and they don't come much bigger than Microsoft.
Princeton's WordNet(2.00 / 1 vote)Rate this definition: key(noun) metal device shaped in such a way that when it is inserted into the appropriate lock the lock's mechanism can be rotated. key(noun) something crucial for explaining. the key to development is economic integration. key(noun) pitch of the voice.
add a comment |. up vote 3 down vote. An API key is a unique value that is assigned to a user of this service when he's accepted as a user of the service. The service maintains all the issued keys and checks them at each request.