GET /einfo.fcgi

nih.gov:pubmed-central-api

Summary: Get database information
Operation ID: eInfo
Auth: unknown
Description

Returns information about available databases or specific database details including fields and links.

Parameters (4)

db (string, query, optional)

Database name (omit to list all databases)

email (string, query, optional)

Email address for contact

retmode (string, query, optional, default: xml)

Return mode

Constraints: {'enum': ['xml', 'json']}

tool (string, query, optional)

Tool name for logging

Examples (3)

TitleTypeURLAction
List all available databases curl https://www.ncbi.nlm.nih.gov/pmc/einfo.fcgi
Get PMC database information curl https://www.ncbi.nlm.nih.gov/pmc/einfo.fcgi?db=pmc
Get PubMed database info with contact details curl https://www.ncbi.nlm.nih.gov/pmc/einfo.fcgi?db=pubmed&email=researcher@example.edu&tool=MyResearchTool

Probe History

Latency

Status Codes

TimeStatusLatencySize
2026-03-23 10:29:02.038712 404 509ms
2026-03-23 09:21:12.403620 404 510ms
2026-03-23 09:01:13.587533 404 509ms

Response Changes

WhenOldNew
2026-03-23 09:21:12.403620 a8e87eab29f4 39318017e5ae
2026-03-23 10:29:02.038712 39318017e5ae 4de7332f0cbf