# Delete a namespace

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

**Note:** This operation is not supported for pod-based indexes.

:::code-group
```bash curl
PINECONE_API_KEY="YOUR_API_KEY"
INDEX_HOST="YOUR_INDEX_HOST"
NAMESPACE="YOUR_NAMESPACE" # To target the default namespace, use "__default__".

curl -X DELETE "https://$INDEX_HOST/namespaces/$NAMESPACE" \
    -H "Api-Key: $PINECONE_API_KEY" \
    -H "X-Pinecone-Api-Version: 2026-07"
```
:::

`DELETE /namespaces/{namespace}`

:::code-group
```json title="200"
{}
```

```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 |
| --- | --- | --- | --- |
| `namespace` | `string` | - | The namespace to delete. Must be ASCII, must not contain the NUL character, and must be 1-512 characters long. Required string length: 1 - 512 |

#### Response

`200` — A successful response.

| Prop | Type | Default | Description |
| --- | --- | --- | --- |
| `response?` | `object` | - | The response for the delete operation. |

## Related pages

- [List namespaces](./database-data-plane-listnamespaces.md)
- [Create a namespace](./database-data-plane-createnamespace.md)
- [Describe a namespace](./database-data-plane-describenamespace.md)

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