The invention relates to an information processing apparatus and method by which it is made possible to efficiently provide change information of broadcast contents in accordance with the necessity of a user. A server 2 compares contents information acquired from a contents information production apparatus 5 and contents information prior by one generation stored in a contents information database 11. If a result of the comparison proves that the contents information has a change, the contents information is registered with a change code added thereto into a change information database 12. When contents information of broadcast contents corresponding to reservation contents information transmitted from a broadcast receiving and recording apparatus 3-1 is found in the change information database 12, the server 2 transmits change information to the broadcast receiving and recording apparatus 3-1. The invention can be applied to a system which provides contents information through the Internet.