JSON Arrays with Compojure-api

handler.clj

(ns kikka.handler
  (:require [compojure.api.sweet :refer :all]
            [ring.util.http-response :refer :all]
            [schema.core :as s]))

(defapi app
  (swagger-ui)
  (swagger-docs)
  (POST* "/body" []
    :return [s/Int]
    :body [body [s/Int]]
    (ok body)))

howto.md

create a project:

lein new compojure-api kikka
cd kikka
; edit handler.clj
lein ring server

test it:

curl -H 'Content-Type: application/json' -X POST -d '[1,2,3]'
; [1,2,3]

curl -H 'Content-Type: application/json' -X POST -d '[1,2,"abba"]' http://localhost:3000/body
; {"errors":[null,null,"(not (integer? \"abba\"))"]}

see metosin/ring-swagger#55