400 Bad Request calling Authorize

My first time working with the Okta API so there may be something obvious here. I’m calling the Authorize endpoint with the following:


This is giving me a 400 Bad Request, both in Postman and from my code. See anything wrong with the request?


I recommend making sure your Client ID that you are passing in is correct (associated with a client created in Okta) and that this client is set to ACTIVE in your Okta tenant. More details in this help article.