Google announced that they are closing several of their search APIs on February 15, 2016.
The APIs that are closing include Google Patent Search API, Google News Search API, Google Blog Search API, Google Video Search API, Google Image Search API.
Google said back in 2011 they would be deprecating those APIs and now three years later, they are taking them offline.
The alternative Google gives is the Google Custom Search API, which really isn’t much of an alternative for the APIs listed above.
Source: Search Engine Land