You can find the «Secret Access Key» of your Amazon MWS (Marketplace Web Service) account in the «MWS Account Information» block on the «Login and Pay with Amazon Credentials» screen.
Press the «Show Secret» button to see your «Secret Access Key»:
You can find the «Secret Access Key» of your Amazon MWS (Marketplace Web Service) account in the «MWS Account Information» block on the «Login and Pay with Amazon Credentials» screen.
Press the «Show Secret» button to see your «Secret Access Key»: