
User17068504049963223642 (Customer) asked a question.
Hello Team,
I am trying to get the token from OKTA authorization server using postman.
Details are
URL-https://dev-99776972.okta.com/oauth2/default/v1/token
Headers-
Accept-application/json
Authorization-Basic {yourBase64EncodedCredentials}
Content-Type-application/x-www-form-urlencoded
Body
grant_type-client_credentials
scope-api
When I am post this in postman I am getting the below error
{
"error": "invalid_dpop_proof",
"error_description": "The DPoP proof JWT header is missing."
}
What settings or parameter i am missing here, can you please help me

Hi, @User17068504049963223642 (Customer)
Thank you for posting on our Community page!
Newly created Service Apps in Okta require DPoP ever since the February Monthly release:
https://help.okta.com/en-us/content/topics/releasenotes/production.htm#panel2
There's more info on this being enabled by default here:
https://support.okta.com/help/s/article/enforce-token-binding-for-machine-to-machine-application-service-integrations?language=en_US
and the guide on how to implement this here:
https://developer.okta.com/docs/guides/dpop/oktaresourceserver/main
Thank you for reaching out to our Community and have a great day!
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Ask the Experts: Okta Device Access Product Team Now Thru 3/22