> For the complete documentation index, see [llms.txt](https://docs.oneid.xyz/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.oneid.xyz/product/id-name-category.md).

# ID Name Category

OneID defines 4 categories for all ID Names as following:

| Category  | Description                                                                                                                                                  |
| --------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| REGULAR   | This is Regular IDs that allows user to register normally.                                                                                                   |
| PROTECTED | Protected IDs are reserved for brands. Please contact <hi@oneid.xyz> to register these IDs                                                                   |
| GOVERNED  | These IDs are governed by us, it might contain sensitive, inappropriate language and violate the OneID’s policies. You can not register these Governance IDs |
| PREMIUM   | Premium IDs are special and popular IDs. Register fee for these IDs may be higher than normal.                                                               |