I’m trying to connect to my auth0 protected expressjs API via Postman but am unable to obtain the initial token following the steps in the blog post . I’ve triple checked that my settings match and I’m using the right variable values, but every time I try and get the initial token Auth0 instantly sh…

Thanks for the reply Marcelina! I just gave it a try again today and… it worked :man_facepalming: The grant type is set to “Authorization Code”. I’m not sure what I set it to yesterday when I was trying. For future people finding this thread here’s a screenshot of my settings that worked since the…

"invalid_request: Unknown client" when attempting to get access token via Postman

Get Help

system Closed March 1, 2024, 8:31am 6

This topic was automatically closed 14 days after the last reply. New replies are no longer allowed.

Topic		Replies	Views
Invalid_request: Unknown client: {{mY cLIENT iD link here}} VIEW LOG Get Help	2	4668	September 17, 2020
Postman Failed - Get New Access Token via Implicit Grant Get Help implicit-grant , access-token , postman	2	6646	September 4, 2019
Invalud request: Unknown Client Get Help login-experience , new-universal-login-experience	4	121	January 21, 2025
Issue with "authorization_code" Flow: Incomplete or Invalid Access Token Get Help apis , application	3	566	January 30, 2024
SPA Passwordless Flow getting "Client authentication is required error" Get Help identifier-first , login-experience	4	568	January 13, 2024

"invalid_request: Unknown client" when attempting to get access token via Postman

Related topics