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400 BadRequest from .Net client when using refresh tokens
We are using the .Net SDK client vs 6.14. We primarily use the Files.GetMetadataSync and Files.SaveUrlAsync api calls. We call the API with a variety of long-lived accessTokens and refreshTokens depe...
There are a number of scenarios that can cause the refresh to fail like this, such as:
- missing/incorrect/malformed refresh token
- revoked refresh token (e.g., when the user unlinks the app via https://www.dropbox.com/account/connected_apps , etc.)
- missing/incorrect/malformed app key
- incorrect/malformed app secret
- missing app secret (if the refresh token was retrieved using the non-PKCE flow)
The response body on that 400 error response would contain a more specific error message, though the .NET SDK unfortunately does not currently expose that. There's an open request to update it to do so.
So, make sure you're supplying the correct values. Since it sounds like this is only happening for a few users though, but for all calls for those users, it may be that the refresh tokens for those users are revoked, in which case you should have the users relink the app to get a new one.
Please I am doing everything send by the support team step by step but no luck.
Greg-DB
Dropbox Community Moderator
Dropbox Community ModeratorIntellicode Mangement Systems Your support ticket is currently open so it will be reviewed and receive further help soon.
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