Built with

• Node.js and Express for the search, formatting and import services
• citeproc-js to format references
• Citation Style Language (CSL) styles from citationstyles.org, licensed under CC BY-SA 3.0
• The public APIs of CrossRef, OpenAlex, DataCite, NCBI E-utilities (PubMed), Mendeley and the Biodiversity Heritage Library

Use it in your application

Everything the search page does is available over HTTP; see the API reference.