Cost explorer boto3 cost and usage without specific tag

Question

How could I apply filter for cost and usage report using boto3. I want to search for all entitites that do not have specific tag.

In cost explorer UI you could specify NoTag and choose the tag you want.

Should I just pass empty value for tag name?

{
                    'Tags': {
                        'Key': 'some_tag',
                        'Values': '',
                    }

Answer

You could apply a tag with an empty value. You will then have to enable the tag as a Cost Allocation Tag in order for the tag to show in your cost and usage report (CUR). Once added the tag will create a column in your CUR report named 'resource_tags_user_some_tag'. This will happen within 24 hours. You would then be able to view resources which do not have a value within this column.

I would also recommend creating the CUR/Athena integration to easily query your CUR data. Please note there is a small charge for this as it creates infrastructure to hydrate the Athena table.

I would also recommend creating the [CUR/Athena integration](https://docs.aws.amazon.com/cur/latest/userguide/cur-query-athena.html) to easily query your CUR data.  Please note there is a small charge for this as it creates infrastructure to hydrate the Athena table.

Cost explorer boto3 cost and usage without specific tag

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