Google Programmable Search Engine
| Type of site | Web search engine | 
|---|---|
| Owner | Google (Alphabet) | 
| Created by | |
| Revenue | From AdWords | 
| URL | cse.google.com | 
| Commercial | Yes | 
| Registration | Required | 
| Launched | October 24, 2006 (as Google Co-op) | 
| Current status | Active | 
| Written in | C++ | 
Google Programmable Search Engine (formerly known as Google Custom Search and Google Co-op) is a platform provided by Google that allows web developers to feature specialized information in web searches, refine and categorize queries and create customized search engines, based on Google Search. Google launched the service on October 23, 2006.