untagResource

This operation removes the specified user-defined tags from an S3 resource. You can pass one or more tag keys.

This operation is only supported for the following Amazon S3 resources:

• Access Points for directory buckets

• Access Points for general purpose buckets

• Directory buckets

• Storage Lens groups

• S3 Access Grants instances, registered locations, and grants.

Permissions

For Storage Lens groups and S3 Access Grants, you must have the s3:UntagResource permission to use this operation.

For more information about the required Storage Lens Groups permissions, see Setting account permissions to use S3 Storage Lens groups.

Directory bucket permissions

For directory buckets and access points for directory buckets, you must have the s3express:UntagResource permission to use this operation. For more information about directory buckets policies and permissions, see Identity and Access Management (IAM) for S3 Express One Zone in the Amazon S3 User Guide.

HTTP Host header syntax

**Directory buckets ** - The HTTP Host header syntax is s3express-control.<i>region</i>.amazonaws.com.

For information about S3 Tagging errors, see List of Amazon S3 Tagging error codes.

You must URL encode any signed header values that contain spaces. For example, if your header value is my file.txt, containing two spaces after my, you must URL encode this value to my%20%20file.txt.