Tag management APIs are classified as the APIs for one-dimensional (1D) tags and the APIs for two-dimensional (2D) tags.
- A 1D tag contains a string. All APIs for 1D tags are native OpenStack APIs. For details, see section Tag Management.
- A 2D tag consists of key and value. All APIs for 2D tags are ECS APIs. For details, see this section.
- You are advised to use the APIs of the same type to add, delete, modify, or query tags.
- You are advised to use 2D tags.