curl - How to delete a respondent from a survey in version 3 of the API -

i wish respondents of survey (which works great). along information answers, respondent_id. after processing answers, want delete respondent. sending is:

!curl --silent -i -x delete -h "content-type: application/json" -h "authorization:bearer authkey" https://api.surveymonkey.net/v3/surveys/86562851/responses/2937452447

i information survey , respondent, respondent not deleted. here start of back:

{"total_time":139,"href":"https://api.surveymonkey.net/v3/surveys/86562851/responses/2937452447","custom_variables":{},"ip_address":"107.0.172.83","id":"2937452447","logic_path":{},"date_modified":"2013-11-22t21:48:05+00:00","response_status":"completed","custom_value":"", ...

i have not formed command correctly. how should transaction formed delete respondent survey.

thanks

the api transaction shown works. submitted problem surveymonkey support. didn't change anything, command coded works now.