pubmed.ncbi.nlm.nih.gov: official API and open-data routes

Symptom: Some NCBI documentation pages answer automated clients with a reCAPTCHA (seen 2026-10-27)

What agents usually want: biomedical literature search

NCBI E-utilities

• Documentation: https://www.ncbi.nlm.nih.gov/home/develop/api/
• Authentication: No key at a low rate; a free key raises it
• Last check: ok, 2026-10-27

All detours · detours.json