Our API directory now includes 531 reference APIs. The newest is the CanLII API. The most popular, in terms of mashups, is the GeoNames API. We list 88 GeoNames mashups. Below you'll find some more stats from the directory, including the entire list of reference APIs.
The EBSCOhost API for DynaMed provides access through the two protocols of SOAP and REST, both of which return data in XML. An EBSCOhost Integration Toolkit (EIT) profile is required for access.
Scientific journals are providing greater access to published research by releasing new APIs. Cambridge Journals Online API and Public Library of Science Article Level Metrics API have both been released in the past several weeks. Meanwhile, the European Commission has just completed a public consultation on open access to research data ahead of a new wave of policy reform and their next big research funding round.