ontology=(biological_process|molecular_function|cellular_component)&
input=WHITESPACE-SEPARATED-LIST-OF-IDS&
species=TAXON_ID&
correction=Bonferroni|None  [DEFAULT=Bonferroni]
format=(html|xml)

Example:

POST
ontology=biological_process
input=P123\nP124\nP125
species=10090
format=xml