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I am encountering an issue while working with Azure Active Directory authentication. Specifically, I am receiving the following error message:

{"error":"invalid_request","error_description":"AADSTS900144: The request body must contain the following parameter: ‘grant_type’.}

Here is the context of my request:

Request Method: POST
Headers: "Content-Type" : "application/x-www-form-urlencoded"
Request Body:

  "grant_type": "client_credentials",
  "client_id": {client_id},
  "client_secret": {client_secret},
  "scope": ""

Can someone please guide me on how to correctly include the ‘grant_type’ parameter in the request body? Any examples or insights into what might be causing this issue would be greatly appreciated.

Thank you in advance for your help!

I have ensured that the request body includes other necessary parameters, but the ‘grant_type’ parameter seems to be missing or incorrectly specified.



  1. You specify: "Content-Type" : "application/x-www-form-urlencoded", but are sending JSON.

    Change Content-Type to "application/json" or send form data.

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  2. The error occurred as you are passing wrong Content-Type while generating the token.

    Initially I got the same error:

    enter image description here

    I agree with @juunas, either change Content-Type to "application/json" and pass json data OR with Content-Type : application/x-www-form-urlencoded pass body as form-encoded POST parameters.

    I passed the body as parameters like below to resolve the error:

    enter image description here

    Otherwise, you can also change the Content-Type to "application/json" and pass json data only

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