Assets API is not supporting tags, it is designed for Assets CRUD operations only. AEM is not providing any dedicated REST api for tags and/or namespace management. You can try to use /bin/tagcommand but this seems to be more like a workaround, than a proper solution. Alternatively you can write your own servlet that will use TagManager to create namespace/tags - https://developer.adobe.com/experience-manager/reference-materials/6-5/javadoc/com/day/cq/tagging/Ta...
Assets API is not supporting tags, it is designed for Assets CRUD operations only. AEM is not providing any dedicated REST api for tags and/or namespace management. You can try to use /bin/tagcommand but this seems to be more like a workaround, than a proper solution. Alternatively you can write your own servlet that will use TagManager to create namespace/tags - https://developer.adobe.com/experience-manager/reference-materials/6-5/javadoc/com/day/cq/tagging/Ta...