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

:::code-group
```shell 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"

curl "https://$INDEX_HOST/vectors/update" \
  -H "Api-Key: $PINECONE_API_KEY" \
  -H "Content-Type: application/json" \
  -H "X-Pinecone-Api-Version: 2025-10" \
  -d '{
        "id": "id-3",
        "values": [4.0, 2.0],
        "setMetadata": {"type": "comedy"},
        "namespace": "example-namespace"
      }'
```
:::

:::code-group
```json curl
{}
```
:::

`POST /vectors/update`

#### 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` | `2025-10` | Required date-based version header |

#### Body

| Prop | Type | Default | Description |
| --- | --- | --- | --- |
| `id?` | `string` | - | Vector's unique id. Required string length: 1 - 512. Example: example-vector-1 |

| Prop | Type | Default | Description |
| --- | --- | --- | --- |
| `values?` | `number[]` | - | Vector data. Required string length: 1 - 20000 |

| Prop | Type | Default | Description |
| --- | --- | --- | --- |
| `sparseValues?` | `object` | - | Vector sparse data. Represented as a list of indices and a list of corresponded values, which must be with the same length. |

:::accordion{title="Show child attributes"}
| Prop | Type | Default | Description |
| --- | --- | --- | --- |
| `indices` | `integer[]` | - | The indices of the sparse data. Required string length: 1 - 1000 |

| Prop | Type | Default | Description |
| --- | --- | --- | --- |
| `values` | `number[]` | - | The corresponding values of the sparse data, which must be with the same length as the indices. Required string length: 1 - 1000 |
:::

| Prop | Type | Default | Description |
| --- | --- | --- | --- |
| `setMetadata?` | `object` | - | Metadata to set for the vector. |

| Prop | Type | Default | Description |
| --- | --- | --- | --- |
| `namespace?` | `string` | - | The namespace containing the vector to update. Example: example-namespace |

| Prop | Type | Default | Description |
| --- | --- | --- | --- |
| `filter?` | `object` | - |  |

A metadata filter expression. When updating metadata across records in a namespace, the update is applied to all records that match the filter. See [Understanding metadata](/guides/index-data-indexing-overview#metadata).

| Prop | Type | Default | Description |
| --- | --- | --- | --- |
| `dryRun?` | `boolean` | `false` | If true, return the number of records that match the filter, but do not execute the update. Default is false. Example: false |

#### Response

`200` — A successful response.

The response for the `update` operation.

| Prop | Type | Default | Description |
| --- | --- | --- | --- |
| `matchedRecords?` | `integer` | - | The number of records that matched the filter (if a filter was provided). Example: 42 |

## Related pages

- [Account management](./account-management-index.md)
- [Admin](./admin-2-index.md)
- [Admin](./admin-index.md)
- [APIs](./apis-index.md)
- [Architecture](./architecture-index.md)
- [Bring Your Own Cloud](./bring-your-own-cloud-index.md)
- [Build an assistant](./build-an-assistant-index.md)
- [Build an integration](./build-an-integration-index.md)
- [Changelog](./changelog-index.md)
- [Changelog](../changelog.md)

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