Hi danzcwk,
IAM credentials are currently not supported for Product Advertising API. You must use root account credentials.
To retrieve your AWS account security credentials:
- Sign in your AWS account at AWS Security Credentials Console. Use the same email address and password.
- A pop-up message appears. Click Continue to Security Credentials.
- Click Access Keys (Access Key ID and Secret Key).
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Click Create New Access Key, and then click Show Access Key or Download Key File to retrieve the credentials.
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Save the access key information in a safe location. You will use these credentials to make calls to the Product Advertising API.
You may also refer screen shots of the complete flow from here.
Thanks,
Link Builder team