GET /epost.fcgi

nih.gov:pubmed-central-api

Summary: Post UIDs to history server
Operation ID: ePost
Auth: unknown
Description

Posts a list of UIDs to the Entrez history server for use in subsequent searches.

Parameters (5)

WebEnv (string, query, optional)

Web environment string

db (string, query, required)

Database

email (string, query, optional)

Email address for contact

id (string, query, required)

Comma-separated list of UIDs

tool (string, query, optional)

Tool name for logging

Examples (3)

TitleTypeURLAction
Basic ePost with PMC IDs curl https://www.ncbi.nlm.nih.gov/pmc/epost.fcgi?db=pmc&id=12345,67890
ePost with contact info (best practice) curl https://www.ncbi.nlm.nih.gov/pmc/epost.fcgi?db=pmc&id=PMC12345&email=researcher@university.edu&tool=MyResearchTool
ePost to existing WebEnv session curl https://www.ncbi.nlm.nih.gov/pmc/epost.fcgi?db=pmc&id=98765,43210&WebEnv=MCID_5f8a2b1c_abc123

Probe History

Latency

Status Codes

TimeStatusLatencySize
2026-03-23 10:45:50.026319 404 522ms
2026-03-23 09:32:03.493520 404 508ms
2026-03-23 09:22:36.493271 404 523ms

Response Changes

WhenOldNew
2026-03-23 09:32:03.493520 ab09a202446f 23829c195f2f
2026-03-23 10:45:50.026319 23829c195f2f 66689535ce99