Category: Health · Auth: none · Status today: OK (HTTP 200) · 245 ms
This is the exact probe the sentinel runs daily — one read-only GET:
curl -s 'https://eutils.ncbi.nlm.nih.gov/entrez/eutils/einfo.fcgi?retmode=json'Captured 2026-08-16 19:46 UTC (application/json, first 400 chars):
{"header":{"type":"einfo","version":"0.3"},"einforesult":{"dblist":["pubmed","protein","nuccore","ipg","nucleotide","structure","genome","annotinfo","assembly","bioproject","biosample","blastdbinfo","books","cdd","clinvar","dbvar","gene","gds","geoprofiles","medgen","mesh","nlmcatalog","omim","orgtrack","pmc","proteinclusters","pcassay","protfam","pccompound","pcsubstance","seqannot","snp","sra","Checked 2026-08-16 19:46 UTC by the Free Tier Sentinel. Machine-readable: api-health.json.