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kegg-database

authentic

Direct access to KEGG via the REST API for academic-only pathway/gene/compound/drug queries; use when you need precise HTTP-level control or targeted KEGG ID mapping.

When to use

• You need to fetch **KEGG pathway, gene, compound, enzyme, disease, or drug** records directly from the **KEGG REST API**.
• You want to perform **gene ↔ pathway** mapping (e.g., building inputs for pathway enrichment or reporting).
• You need **cross-references** between KEGG databases (e.g., pathway → genes, gene → KO, pathway → compounds).
• You must **convert identifiers** between KEGG and external databases (e.g., KEGG gene → NCBI Gene ID / UniProt; KEGG compound → PubChem).
• You need **drug–drug interaction (DDI)** lookups for KEGG drug IDs.

When not to use

• non-academic or commercial use

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