API Network

Europe PubMed CentralEurope PubMed Central is a free database of full text research articles for biomedical and health researchers. The Europe PubMed Central REST API provides developer access to all publications and related information in the database. Access is supplied to 28 million abstracts, 2.6 million full text articles, crosslinks to other public biomolecular databases, reference lists from full text articles, citing articles, and terms that have been text mined from full text articles. Supported calls include article searches, database hit counts, retrieval of references, citations, and text mined terms, and more. The API is available to all users and requires no authentication. The database is also accessible via a SOAP API.Science
Oxford Dictionaries
Unwired Labs Location
CANFAR VOSpace web service
Bit6 Authentication