The HQCasanova Weekly CO2 API is incredibly simple. It's also a frighteningly clear measurement of how our planet is doing. It measures the level of CO2 in the air in parts per million (ppm), a major player in causing global climate disruption.
Understanding the usage of your publications used to be easy: if it's a book, count the sales. A magazine? Count the subscriptions. An article--count the circulation of the hosting publication. If you're a librarian, just look at how many times it was checked out. For impact, count citations. The digital universe requires new tools to measure these and the Scholarly IQ API is Scholarly's app for putting them right into your application. Scholarly IQ uses SUSHI to harvest COUNTER usage statistics.
Mitominer is an integrated priteomics database for mitochondria. The open source Mitominer API runs on Perl programs, and provides access to client libraries in Java, Perl and Python. The API covers nine data categories from proteins to gene ontology.