---
title: check-registry-api-version-support
product: vercel
url: /docs/rest-api/vcr/check-registry-api-version-support
canonical_url: "https://vercel.com/docs/rest-api/vcr/check-registry-api-version-support"
last_updated: 2026-09-15
type: reference
prerequisites:
  []
related:
  - /docs/rest-api
summary: Learn about check-registry-api-version-support on Vercel.
install_vercel_plugin: npx plugins add vercel/vercel-plugin
---

# Check registry API version support

```http
GET /v2/
```

GET /v2/ Docker Registry v2 version check. Returns a 401 challenge when no credentials are provided, prompting the Docker client to send auth. With valid credentials, returns 200 so the client can proceed.

## Example request

### TypeScript

```typescript
const response = await fetch('https://api.vercel.com/v2/', {
  method: 'GET',
  headers: {
    'Authorization': 'Bearer YOUR_ACCESS_TOKEN',
    'Content-Type': 'application/json',
  },
});

const data = await response.json();
console.log(data);
```

### Next.js

```typescript
'use server';

export async function callEndpoint() {
  const response = await fetch('https://api.vercel.com/v2/', {
    method: 'GET',
    headers: {
      'Authorization': `Bearer ${process.env.VERCEL_ACCESS_TOKEN}`,
      'Content-Type': 'application/json',
    },
    next: { revalidate: 3600 }
  });

  if (!response.ok) {
    throw new Error('Request failed');
  }

  return response.json();
}
```

### cURL

```bash
curl -X GET 'https://api.vercel.com/v2/' \
  -H 'Authorization: Bearer YOUR_ACCESS_TOKEN' \
  -H 'Content-Type: application/json'
```

## Example response

```json
"value"
```

## Responses

### 200: No description

Content-Type: `application/json`

```json
{
  "type": "object"
}
```

### 400: No description

### 401: The request is not authorized.

### 402: The account is missing a payment so payment method must be updated

### 403: You do not have permission to access this resource.

### 404: No description

### 410: No description

---

## Related

- [vcr endpoints](/docs/rest-api#vcr)

- [REST API overview](/docs/rest-api)

- [OpenAPI spec](https://openapi.vercel.sh/) (machine-readable, all endpoints)

---

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