# POST /vaults/{vault_id} (OpenAI API)
Base URL: https://api.openai.com/v1
Auth: Authorization; OpenAI API key; required.
Request formats: application/json.
Last verified: 2026-10-07

> Update a vault

## Critical Gotchas
* The Responses API is the primary interface for new text and tool workflows; Chat Completions remains a separate compatibility API.
* Audio transcription uploads use multipart form data rather than a JSON request body.

## cURL
curl -X POST 'https://api.openai.com/v1/vaults/vault-id' \
  -H "Authorization: Bearer $OPENAI_API_KEY" \
  -H 'Content-Type: application/json' \
  -d '{}'

## Parameters
| Name | In | Type | Required | Description |
| :--- | :--- | :--- | :--- | :--- |
| vault_id | path | string | Yes | The ID of the vault. |
| metadata | body | object | No | Replaces all metadata. Omit to leave unchanged, or pass {} to clear it. Up to... |
| name | body | string | No | A replacement name. Omit to leave unchanged, or pass null to clear it. The na... |

## Response example
{"id":"string","object":"vault","name":"string","metadata":{},"created_at":0}

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