API URL: http://qurl.org/api/url
Submit:
http://qurl.org/api/url?url=http://fark.comResponse:
{"exists":true,"url":"http:\/\/qurl.org\/s"}
Submit:
http://qurl.org/api/url?url=http://klasjdlh.comResponse:
{"exists":false,"url":"http:\/\/qurl.org\/Z1q"}
Submit:
http://qurl.org/api/url?url=notaurlResponse:
{"error":"Not a valid URL."}