REST API-- POST_ONLY_URL issue

REST API-- POST_ONLY_URL issue

hi all,


i am trying to get 'Request' data from my cloud Service-desk Plus demo version to Postman using REST API by following steps given in below link.

i am getting below error. 

{
    "operation": {
        "result": {
            "error_code": 4001,
            "message": "POST_ONLY_URL",
            "status": "Failed"
        },
        "name": "GET_REQUEST"
    }
}

for your reference i attached postman request screenshot. please help me to solve this issue.
Thanks in Advance.

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