To view your MWS credentials you would go to https://sellercentral.amazon.com/apps/manage OR
STEP 1: Login to your seller central account.
STEP 2: Click on AppStore
STEP 3: Click on Manage your Apps
STEP 4: Find Developer Nickname: FeedbackWhiz
Click on View
Step 5: Locate the MWS Auth Token
If you need to Renew your Authorization, you would simply follow the steps above and click the "Renew" option
You also need to go into FeedbackWhiz marketplace settings: https://app.feedbackwhiz.com/account/settings/#!/marketplace
Click the "Reconnect Amazon Seller Account" button
