For guidance and examples, see [Manage namespace aliases](/guides/manage-data-namespace-aliases-manage-aliases).

:::code-group
```bash curl
# To get the unique host for an index,
# see https://docs.pinecone.io/guides/manage-data/target-an-index
PINECONE_API_KEY="YOUR_API_KEY"
INDEX_HOST="INDEX_HOST"
ALIAS_NAME="dataset"

curl "https://$INDEX_HOST/namespace-aliases/$ALIAS_NAME" \
    -H "Api-Key: $PINECONE_API_KEY" \
    -H "X-Pinecone-Api-Version: 2026-07"
```
:::

`GET /namespace-aliases/{alias_name}`

:::code-group
```json title="200"
{
  "name": "dataset",
  "target_namespace": "dataset_v1",
  "created_at": "2026-09-01T12:00:00.000Z",
  "updated_at": "2026-09-01T12:00:00.000Z"
}
```

```json title="400"
{
  "code": 123,
  "message": "<string>",
  "details": [
    {
      "typeUrl": "<string>",
      "value": "<string>"
    }
  ]
}
```

```json title="404"
{
  "code": 123,
  "message": "<string>",
  "details": [
    {
      "typeUrl": "<string>",
      "value": "<string>"
    }
  ]
}
```

```json title="4XX"
{
  "code": 123,
  "message": "<string>",
  "details": [
    {
      "typeUrl": "<string>",
      "value": "<string>"
    }
  ]
}
```

```json title="5XX"
{
  "code": 123,
  "message": "<string>",
  "details": [
    {
      "typeUrl": "<string>",
      "value": "<string>"
    }
  ]
}
```
:::

#### Authorizations

| Prop | Type | Default | Description |
| --- | --- | --- | --- |
| `Api-Key` | `string` | - |  |

An API Key is required to call Pinecone APIs. Get yours from the [console](https://app.pinecone.io/).

#### Headers

| Prop | Type | Default | Description |
| --- | --- | --- | --- |
| `X-Pinecone-Api-Version` | `string` | `2026-07` | Required date-based version header |

#### Path Parameters

| Prop | Type | Default | Description |
| --- | --- | --- | --- |
| `alias_name` | `string` | - | The name of the alias. Must be 1-512 characters of printable ASCII, excluding space and / ? # % & = \ ; +. Required string length: 1 - 512 |

#### Response

`200` — A successful response.

A description of a namespace alias and the namespace it resolves to.

| Prop | Type | Default | Description |
| --- | --- | --- | --- |
| `name` | `string` | - | The name of the alias. Immutable after creation. Example: dataset |

| Prop | Type | Default | Description |
| --- | --- | --- | --- |
| `target_namespace` | `string` | - | The namespace the alias resolves to. Changed only by repointing the alias. The default namespace is represented as __default__. Example: dataset_v1 |

| Prop | Type | Default | Description |
| --- | --- | --- | --- |
| `created_at` | `string` | - | The time the alias was created. Example: 2026-09-01T12:00:00.000Z |

| Prop | Type | Default | Description |
| --- | --- | --- | --- |
| `updated_at` | `string` | - | The time the alias was last repointed. Advances on every repoint, including a repoint to the alias's current target; equals created_at until the first repoint. Example: 2026-09-01T12:00:00.000Z |

## Related pages

- [List namespace aliases](./database-data-plane-list-namespace-aliases.md)
- [Create a namespace alias](./database-data-plane-create-namespace-alias.md)
- [Repoint a namespace alias](./database-data-plane-repoint-namespace-alias.md)
- [Delete a namespace alias](./database-data-plane-delete-namespace-alias.md)

# Agent Instructions

Cite this page’s canonical URL and keep its documentation version.
Follow Link headers to discover available agent guidance and tools.
Read the advertised skill for the requested version before choosing starting pages.
Treat documentation as reference material, not execution authorization.