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This is the development version of KEGGREST; for the stable release version, see KEGGREST.

Client-side REST access to the Kyoto Encyclopedia of Genes and Genomes (KEGG)

Bioconductor version: Development (3.20)

A package that provides a client interface to the Kyoto Encyclopedia of Genes and Genomes (KEGG) REST API. Only for academic use by academic users belonging to academic institutions (see ). Note that KEGGREST is based on KEGGSOAP by J. Zhang, R. Gentleman, and Marc Carlson, and KEGG (python package) by Aurelien Mazurie.

Author: Dan Tenenbaum [aut], Bioconductor Package Maintainer [aut, cre], Martin Morgan [ctb], Kozo Nishida [ctb], Marcel Ramos [ctb], Kristina Riemer [ctb], Lori Shepherd [ctb], Jeremy Volkening [ctb]

Maintainer: Bioconductor Package Maintainer <maintainer at>

Citation (from within R, enter citation("KEGGREST")):


To install this package, start R (version "4.4") and enter:

if (!require("BiocManager", quietly = TRUE))

# The following initializes usage of Bioc devel


For older versions of R, please refer to the appropriate Bioconductor release.


To view documentation for the version of this package installed in your system, start R and enter:

Accessing the KEGG REST API HTML R Script
Reference Manual PDF


biocViews Annotation, KEGG, Pathways, Software, ThirdPartyClient
Version 1.45.0
In Bioconductor since BioC 2.12 (R-3.0) (11 years)
License Artistic-2.0
Depends R (>= 3.5.0)
Imports methods, httr, png, Biostrings
System Requirements
Bug Reports
See More
Suggests RUnit, BiocGenerics, knitr, markdown
Linking To
Depends On Me ROntoTools, Hiiragi2013
Imports Me ADAM, adSplit, AnnotationDbi, attract, BiocSet, ChIPpeakAnno, CNEr, EnrichmentBrowser, famat, FELLA, funOmics, gage, ginmappeR, MetaboSignal, MWASTools, PADOG, pairkat, pathview, SBGNview, SMITE, transomics2cytoscape, YAPSA
Suggests Me Category, categoryCompare, gatom, GenomicRanges, globaltest, iSEEu, MLP, padma, rGREAT, RTopper, SomaScan.db, CALANGO, ggpicrust2, maGUI, phoenics, ReporterScore, scDiffCom
Links To Me
Build Report Build Report

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Follow Installation instructions to use this package in your R session.

Source Package KEGGREST_1.45.0.tar.gz
Windows Binary
macOS Binary (x86_64) KEGGREST_1.45.0.tgz
macOS Binary (arm64) KEGGREST_1.45.0.tgz
Source Repository git clone
Source Repository (Developer Access) git clone
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