Amazon Web Services (AWS) Access Credentials are required to fetch product data from official Amazon API.
Goto Dashboard > Settings > Auto-sync > Click Setup AWS credentials. Fill up the form and click Verify & Save.
(Note: The Set AWS credentials form is also available in Dashboard > Search page.)
AWS Credential Form parameters:
Country - Select your primary country. It should match the country of your Amazon Affiliate Account.
Amazon Affiliate ID - Enter your Amazon Affiliate ID which you have already stored in Settings section. If you don't have an Amazon Affiliate / Associate ID you need to join Amazon Affiliate Program - its free. Get your Affiliate ID and save it here.
Access Key ID & Secret Access Key - Follow this guide to get these values.