Springer Nature Open Access

The Springer Nature Open Access API allows developers to get metadata and full-text content (where available) for more than 649,000 of Springer Nature's online documents, including BioMed Central and SpringerOpen journals.Springer Nature publishes about 3,000 journals and 13,000 new books per year in the fields of science, technology, and medicine (STM). It provides multiple APIs for accessing its freely available content for noncommercial use.