Below is what I've received from Yodlee on how to remedy immediate 523 errors during a refresh:
The above call will update the user's Q&A at Yodlee end. Once updated, Your technical team need to initiate the refresh the same way you are doing currently i.e. first call getMfaQuestionsAndAnswersForItem API and then putMFARequest.
However after the first two steps it becomes a little unclear. After calling updateMfaAnswersForItem do we then perform a refresh (RefreshService.startRefresh5 call) and then jump into the MFA flow (getMfaQuestionsAndAnswersForItem then putMFARequest) or do we have to immediately jump into the MFA flow of getMfaQuestionsAndAnswersForItem and then putMFARequest?
There are two ways to handle 523 -
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