I'm trying to update my app to use JWT. I'm using the C# API. It seems like a one line change, but I'm getting the error
"errorCode" : "OAU-251",
"message" : "Unauthorized for this grant type"
Try again after 5 or 10 mins after you changes the auth type.
If the problem persists, give me the app client id so I can enable both password flow and JWT so that you can continue support the password flow until March 31st while you are testing the JWT flow.
Hi,
I am facing exact same error "OAU-251", I have re-activated my sandbox account for this trial before I do change in production. But I am stuck.
what I did:
1) Reactivated the Sandbox - New number was provided as it was expired.
2) Created one JWT and restricted it for only one App by providing client ID
3) Attempted JWT authorization and got "OAU-251" error.
4) I am still able to use Password flow to Auth. But SMS is stopped so cannot test! :(
If Auth type change is required, then please share the page link from where to do that.
Finally, it worked. Under App/Settings I changed Auth Setting to JWT auth flow and after 10-15 minutes it worked. But the Password auth flow option is gone now!!
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