KEGG Pathway Database REST API

Access the Kyoto Encyclopedia of Genes and Genomes (KEGG) for pathway maps, gene annotations, compound data, drug info, and disease records. No authentication required.

API Endpoints

Base: https://rest.kegg.jp

GET /list/{database} -- List all entries in a database

# List all human pathways
curl -s "https://rest.kegg.jp/list/pathway/hsa"

# List all KEGG organisms
curl -s "https://rest.kegg.jp/list/organism"