client_credentials authentication via python

Question

I am receiving an error when trying to authenticate via python code. This will work when testing in PostMan. 
 Error Msg: 
 "The request is missing a required parameter, includes an invalid parameter value, includes a parameter more than once, or is otherwise malformed." 
 I am putting the required criteria for client_credential authentication, and I am including it in the body of the request. What parameter am I missing? Is there a python example available for reference?

Satish Polampalli 3sides · Answer

import requests

url = "https://*********/api.ashx/v2/oauth/token"

payload='grant_type=client_credentials&client_id=85eef1c2-f3e2-406b-a827-cc282acc2a4a&client_secret=***********&username=*****'
headers = {
 'Content-Type': 'application/x-www-form-urlencoded'
}

response = requests.request("POST", url, headers=headers, data=payload)

print(response.text)

Please try this

client_credentials authentication via python

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