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

# 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}

---
Need an API key? Get one at https://platform.openai.com/api-keys

POST

POST /vaults/{vault_id} — OpenAI API

OpenAI API key (required); https://api.openai.com/v1

OpenAI API

Update a vault

Base URL: https://api.openai.com/v1
Auth: Authorization: Bearer <OPENAI_API_KEY>
Last verified: 2026-10-07 · upstream hash matched

Actions Try in browser→

Agents: curl -H "Accept: text/markdown" this URL
→ 237 tokens · Vary: Accept

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 16 string key-value pairs, with keys up to 64 and values up to 512 characters.
name	body	string	No	A replacement name. Omit to leave unchanged, or pass null to clear it. The name is trimmed before storage. It must contain 1 to 256 UTF-8 bytes after trimming.

Response 200 OK

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

Get a free OpenAI API key → sponsored

Affiliate link - we may earn a commission, at no extra cost to you.