Rest is about *State* transfer. Verbs in the uri
are no good choices to name a state.
Then change them to a noun :)
/combine
/combination
/merge
/amalgamation
/collate
/collation
/coalesce
/coalescence
/blend
/blend (can be a noun, too :)
/composite
/composition
Do we really follow ALL the stipulations in our REST APIs anyway?