A computerized push notification distribution system, receives a registration message from a third party application executing on a user's communication device. The registration message includes a push notification service registration identifier from a push notification server and a user identifier of the user. The computerized push notification distribution system stores the push notification service registration identifier and the user identifier linked to the third party application. Upon receiving from a third party a message content for a push notification to users of the third party application, the computerized push notification distribution system generates and transmits to the push notification server a request for transmitting a push notification, for each notification service registration identifier linked to the third party application, each request includes the message content for the push notification and the respective notification service registration identifier.