This page describes some common issues that you might encounter involving the Site Verification API as a reseller.
400:badRequest
This error occurs when Google can't find the verification token. To resolve this
issue, verify that token has been successfully placed in the destination and
continue to call this method with backoff delay until you receive a 200
response.
400:invalidParameter
This error occurs when the verification token is invalid. Call the
webResource.getToken method to get a valid token.
403:usageLimits.dailyLimitExceeded
This error occurs when you've reached the daily quota for calls to this API. To resolve this issue, implement a backoff delay. For more information, see Usage limits and quotas.