Does Airbyte support other connection methods for S3 other than AWS Access Key and AWS Secret Key?

Yes, Airbyte supports other connection methods for S3. If the AWS Access Key and AWS Secret Access Key are not provided, the authentication will rely on the instance profile. This is mentioned in the setup guides for both [S3 destination connector](https://docs.airbyte.com/integrations/destinations/s3) and [S3-Glue destination connector](https://docs.airbyte.com/integrations/destinations/s3-glue). If you use instance profile authentication, make sure the role has permission to read/write on the bucket. The easiest way to verify if Airbyte is able to connect to your S3 bucket is via the check connection tool in the UI. For more information on how to create an instance profile, you can refer to [this AWS documentation](https://docs.aws.amazon.com/IAM/latest/UserGuide/id_roles_use_switch-role-ec2_instance-profiles.html).

@kapa.ai That documentation is for destination connectors. What about for source connectors?

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