title: Request Access Token in Postman for Azure AD B2C
body: <p>How can I request an <code>Access Token</code> in <a href="https://www.getpostman.com/" rel="noreferrer">Postman</a> against an <a href="https://docs.microsoft.com/en-us/azure/active-directory-b2c/active-directory-b2c-overview" rel="noreferrer">Azure AD B2C</a> tenant?</p>
  
  <p><a href="https://i.stack.imgur.com/iVHdd.png" rel="noreferrer"><img src="https://i.stack.imgur.com/iVHdd.png" alt="new access token screenshot"></a></p>
  
  <hr>
  
  <p>I tried taking the url from <code>Run Now</code> in the Azure portal and putting that in the <code>Auth Url</code> but that produces the following error:</p>
  
  <p><a href="https://i.stack.imgur.com/sVRZr.png" rel="noreferrer"><img src="https://i.stack.imgur.com/sVRZr.png" alt="b2c error"></a></p>
  
  <hr>
  
  <p><strong>Update</strong></p>
  
  <p>Following Chris's answer, I'm now past the above error.  I'm able to sign-in but still can't get an access token:</p>
  
  <blockquote>
    <p>AADB2C90085: The service has encountered an internal error. Please reauthenticate and try again.
     Correlation ID: 45c56d47-4739-465f-8e02-49ba5b3a1b86
     Timestamp: 2017-11-16 15:27:52Z</p>
  </blockquote>