KEGG API Manual KEGG API is a REST-style Application Programming Interface to the KEGG database resource. General form URL form https://rest.kegg.jp/<operation>/<argument>[/<argument2[/<argument3> ...]] <operation> = info | list | find | get | conv | link | ddi Database name <database> = KEGG databases (Table 1) and Outside databases integrated in KEGG (Table 2) = pathway | brite | module | ko | <