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Published: September 05 2023, 11:30:00 AMUpdated: September 29 2023, 11:04:21 AM

Why is the seller OAuth refresh token invalidated unexpectedly? 
If you are getting the following error in the response:
    "error": "invalid_grant",
    "error_description": "the provided authorization grant code is invalid or was issued to another client"
Main reason could be either of the following had happened:
  • User authentication revoked by CS for any reason. 
  • If a user changes their eBay member log-in name or the password. 
  • If a user that was associated with your application revoked the token from their MyeBay page. 
      Note:- If your refresh token gets revoked (or if it expires), then you must redo the consent-request flow in order to get a new access token and refresh token for the associated user.

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