FTP Service

The PMC FTP Service provides access to:

The FTP service also allows users to cross-reference PMC articles with identifiers such as PubMed IDs, DOIs, and Manuscript IDs. Please see the individual pages on each of these collections and resources to learn more about the available files.

The directories available via the FTP service include:


To access the complete OA Subset using bulk article packages, you will need to use the commercial use and non-commercial use collections. These collections complement each other, rather than duplicating files.

The top level directory for the service contains a set of file lists to be used when retrieving files from the three open access directories.

The base URL of the FTP site is ftp://ftp.ncbi.nlm.nih.gov/pub/pmc.

Suggested FTP client configuration

After a series of experiments using ftp clients with NCBI's ftp server, we've found that the configuration of ftp clients can seriously affect performance. NCBI recommends setting the TCP buffer size to 32Mb. For more information, please see ftp://ftp.ncbi.nlm.nih.gov/README.ftp.

If you have questions or comments about this service, please write to the PMC help desk. Further information on retrieving full text and other common developer queries can be found on Developer Resources page.

Support Center

Last updated: Thu, 6 July 2017