8 Free APIs to Automate Your Research (With Python Examples)

Have you ever spent hours manually searching for papers, articles, or data? I did — until I discovered these 8 free APIs that let you automate research with a few lines of Python. No API keys needed for most of them. 1. OpenAlex — 250M+ Academic Works OpenAlex indexes 250 million scholarly works from every discipline. import requests resp = requests . get ( ' https://api.openalex.org/works ' , params = { ' search ' : ' machine learning healthcare ' , ' per_page ' : 5 }) for work in resp . json ()[ ' results ' ]: print ( f " { work [ ' title ' ] } " ) print ( f " Cited by: { work [ ' cited_by_count ' ] } " ) print ( f " DOI: { work . get ( ' doi ' , ' N/A ' ) } \n " ) No API key required. Just send requests. Full toolkit on GitHub 2. Crossref — 150M+ Scholarly Articles Crossref powers DOI resolution. Their API gives you metadata on 150M+ articles. resp = requests . get ( ' https://api.crossref.org/works ' , params = { ' query ' : ' artificial intelligence drug discovery ' , ' rows ' : 5