**Source URL:** https://limited.veevavault.dev/qualityone/vault-api/api-reference/21.3/authentication/retrieve-api-versions.md

# Retrieve API Versions



Retrieve all supported versions of the Vault REST API.

<Endpoint path="/api/" method="GET"></Endpoint>

## Headers {#headers}

<FieldTable>
| Name | Description |
| --- | --- |
| `Accept` | `application/json` (default) or `application/xml` |
</FieldTable>

## Request {#request}

<CodeExample title="">
```
curl -X GET -H "Authorization: {SESSION_ID}" \
https://myvault.veevavault.com/api/

```
</CodeExample>

## Response {#response}

<CodeExample title="">
```
{
   "responseStatus": "SUCCESS",
   "values": {
       "v7.0": "https://myvault.veevavault.com/api/v7.0",
       "v8.0": "https://myvault.veevavault.com/api/v8.0",
       "v9.0": "https://myvault.veevavault.com/api/v9.0",
       "v10.0": "https://myvault.veevavault.com/api/v10.0",
       "v11.0": "https://myvault.veevavault.com/api/v11.0",
       "v12.0": "https://myvault.veevavault.com/api/v12.0",
       "v13.0": "https://myvault.veevavault.com/api/v13.0",
       "v14.0": "https://myvault.veevavault.com/api/v14.0",
       "v15.0": "https://myvault.veevavault.com/api/v15.0",
       "v16.0": "https://myvault.veevavault.com/api/v16.0",
       "v17.1": "https://myvault.veevavault.com/api/v17.1",
       "v17.2": "https://myvault.veevavault.com/api/v17.2",
       "v17.3": "https://myvault.veevavault.com/api/v17.3",
       "v18.1": "https://myvault.veevavault.com/api/v18.1",
       "v18.2": "https://myvault.veevavault.com/api/v18.2",
       "v18.3": "https://myvault.veevavault.com/api/v18.3",
       "v19.1": "https://myvault.veevavault.com/api/v19.1",
       "v19.2": "https://myvault.veevavault.com/api/v19.2",
       "v19.3": "https://myvault.veevavault.com/api/v19.3",
       "v20.1": "https://myvault.veevavault.com/api/v20.1",
       "v20.2": "https://myvault.veevavault.com/api/v20.2",
       "v20.3": "https://myvault.veevavault.com/api/v20.3",
       "v21.1": "https://myvault.veevavault.com/api/v21.1"
   }
}

```
</CodeExample>

## Response Details {#response-details}

On success, Vault returns every supported API version. The last version listed in the response may be the <span class="label label-warning">Beta</span> version, which is subject to change. Learn more about [Vault REST API versioning](/vault-api/getting-started/endpoint-structure).



---

**Previous:** [OAuth 2.0 / OpenID Connect](/qualityone/vault-api/api-reference/21.3/authentication/oauth-20-openid-connect)  
**Next:** [Authentication Type Discovery](/qualityone/vault-api/api-reference/21.3/authentication/authentication-type-discovery)