The Internet Archive PHP SDK allows developers to access and integrate the Internet Archive API through PHP. Internet Archive is an online library and repository with free books, music, movies, software, and websites.
The University of Michigan Medical School created the Vaccine Investigation and Online Information Network (VIOLIN) because the vaccine research field lacked a web-based central repository where researchers could easily retrieve the vast amount of data underlying hundreds of years of research. Not only has VIOLIN provided the online database, the database is easily accessible via the VIOLIN API.
Microsoft uses docs.microsoft.com as its single repository for all API docs, reference material, code samples, and other developer resources. Microsoft has updated the repository with two new features (REST API Browser and Try It) to help developers easily find relevant APIs test APIs.
Your next meal could be served up by BigOven's new API. The comprehensive service for those who like to cook provides more than 170,000 recipes in XML or JSON format (our BigOven API profile). From there, you can display it however you want, though there's a yet to be determined fee for commercial applications.