jsonclojurehttp-headerscontent-typehttp-kit

How to set Content-Type as application/json in httpkit

I use httpkit as http client. I try many solutions to make the header Content-Type be application/json, but all failed.

Here is my code:

(require '[org.httpkit.client :as http])

(http/post 
  url
  { :query-params {"q" "foo, bar"}
    :form-params {"q" "foo, bar"}
    :headers {"Content-Type" "application/json; charset=utf-8"}})

Post with the code above would get response status 200 but Content-Type is application/x-www-form-urlencoded.

And if delete the line application/x-www-form-urlencoded, would get response status 400.

PS: I take flask as web server.

Solution

  • I haven't used httpkit (can recommend clj-http) but I think you should use the :body option instead of :form-params to specify payload as the latter would force the Content-Type to application/x-www-form-urlencoded. It makes sense considering how form params work in HTTP.