Here is an example of a JSON response, from the "Advanced Method" API, for an invalid request.

Use json_decode() (PHP) in order to pull out the relevant values.

See the "STW API Documentation" for details on what the values can be and what they mean (though some are self-explanatory).

{"exists":"true","image":"http:\/\/images.shrinktheweb.com\/xian.php?stwaccesskeyid= &stwu=&subref=&stwq=95&stwxmax=120&hash=","verified":"true","actionmsg":"delivered","responsecode":"HTTP:200","thumbnailsize":9,"responsestatus":"Success","responsetimestamp":"1460439057","quota_remaining":168,"bandwidth_remaining":994242}