Below is the API for the OCaml standard library. It's directly copied over from the OCaml Manual, formatted to the Reason syntax and styled accordingly. The API docs are work-in-progress; we'll be polishing these gradually!
If you're targeting JavaScript, the API docs for BuckleScript includes all of below, plus JS-specific APIs.
sig type shape = Function | Lazy | Class | Module of CamlinternalMod.shape array | Value of Obj.t val init_mod : string * int * int -> CamlinternalMod.shape -> Obj.t val update_mod : CamlinternalMod.shape -> Obj.t -> Obj.t -> unit end