Can u help me how to get expires_in and what is the lifetime of authorization code
"The authorization code must expire shortly after it is issued. The OAuth 2.0 spec recommends a maximum lifetime of 10 minutes, but in practice, most services set the expiration much shorter, around 30-60 seconds."
As authorization codes are short-lived and for single-use, they are implement as self encoded and is used quickly as one can.
They also cannot be stored in db neither encouraged to do that
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