Warren,
You can only use the authorization code once. It's one and done. After
the code has been used you need to generate a new authorization code.
James
On Friday, May 12, 2017 at 4:50:10 AM UTC+9, Warren Zhang wrote:
>
> Hi,
>
> We've gotten the following exception when trying to generate a token:
>
> {"error" : "invalid_grant", "error_description" : "Code was already
> redeemed."}
>
>
> Every time we make a request, we're directly using the authentication code
> passed via the request sent to our callback. We've seen this error occur 3
> times for a single user within about 12 minutes. The user successfully used
> this same authorization code about 2 hours before these failures. Could we
> get some assistance in troubleshooting this issue?
>
> Thanks,
> Warren
>
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