Create an IAM User
Sign in to the AWS IAM Console and go to Users > Create user.
Set user name
Enter a name (e.g., stackone-s3) and click Next.
Attach permissions
Choose Attach policies directly and attach AmazonS3FullAccess (or a custom policy with only the S3 permissions required).
Generate access keys
Select the new user, go to Security credentials > Create access key, choose Third-party service, and save both the Access Key ID and Secret Access Key.
- Save the Secret Access Key immediately — it cannot be retrieved again after creation.
Linking the Account from the Hub
Navigate to the Hub
Fill out the fields
- Access Key ID
- Secret Access Key
- AWS Region
Connect
- Click Connect
- If applicable, the provider will redirect you to a sign-in or authorization page. Complete the provider’s authorization flow.
- Once authorization is successful, you will see a confirmation popup
If the account linking is successful, you will see the newly linked account in your Accounts page.