Example of 400 Bad Request response from Tenon

response.bash

➔ curl -i -X POST -H Content-Type:application/x-www-form-urlencoded -H Cache-Control:no-cache -d 'url=bad&key=my-api-key' http://tenon.io/api/
HTTP/1.1 200 OK
Server: nginx/1.6.2
Date: Mon, 23 Mar 2015 01:42:00 GMT
Content-Type: application/json; charset=UTF-8
Transfer-Encoding: chunked
Connection: keep-alive
Vary: Accept-Encoding
X-Powered-By: PHP/5.5.9-1ubuntu4.5
Set-Cookie: PHPSESSID=g119888uljiho5ihgmfsh70ga3; path=/
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Pragma: no-cache
X-Content-Type-Options: nosniff
x-frame-options: deny
x-xss-protection: 1; mode=block
Access-Control-Allow-Origin: *
Access-Control-Allow-Origin: *

{"response":[],"responseTime":"2015-03-23T01:42:00+0000","status":400,"message":"Bad Request Could not validate URL\n","code":"invalid_param","moreInfo":"https:\/\/tenon.io\/documentation#invalid_param","responseID":"36789c047e25c8e0b2fabaf3a9dc07fa","request":{"url":"bad","key":"68cd9dc2f281a7033625422cc2741c0e"}}