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# Get Rows Version

HEAD https://api.glideapps.com/tables/{tableID}/rows

Returns an `ETag` header containing the current version of the table data.

This endpoint may be polled to detect changes in the table's data.

To learn more about versioning and how to detect changes, please see our guide on [data versioning](/docs/classic-api/tables/data-versioning).

Reference: https://www.glideapps.com/docs/classic-api/tables/get-rows-version

## Authentication

- `Authorization` header (bearer token, required) — Bearer authentication header of the form Bearer `<token>`, where `<token>` is your [auth token](/docs/api-reference/v2/general/authentication).

## Request

### Path parameters

- `tableID` (string, required)

## Errors

### 400 Bad Request Error

- `error` (TablesTableIdRowsHeadResponsesContentApplicationJsonSchemaError, required)

### 404 Not Found Error

- `error` (TablesTableIdRowsHeadResponsesContentApplicationJsonSchemaError, required)

## Types

### TablesTableIdRowsHeadResponsesContentApplicationJsonSchemaError

- `type` (enum, required)
  - Allowed values: `table_not_found`, `table_not_big_table`
- `message` (string, required)

## Examples

**Response**

```json
{}
```

**SDK Code**

```python
import requests

url = "https://api.glideapps.com/tables/2a1bad8b-cf7c-44437-b8c1-e3782df6/rows"

headers = {"Authorization": "Bearer <token>"}

response = requests.head(url, headers=headers)

print(response.json())
```

```javascript
const url = 'https://api.glideapps.com/tables/2a1bad8b-cf7c-44437-b8c1-e3782df6/rows';
const options = {method: 'HEAD', headers: {Authorization: 'Bearer <token>'}};

try {
  const response = await fetch(url, options);
  const data = await response.json();
  console.log(data);
} catch (error) {
  console.error(error);
}
```

```go
package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://api.glideapps.com/tables/2a1bad8b-cf7c-44437-b8c1-e3782df6/rows"

	req, _ := http.NewRequest("HEAD", url, nil)

	req.Header.Add("Authorization", "Bearer <token>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(res)
	fmt.Println(string(body))

}
```

```ruby
require 'uri'
require 'net/http'

url = URI("https://api.glideapps.com/tables/2a1bad8b-cf7c-44437-b8c1-e3782df6/rows")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Head.new(url)
request["Authorization"] = 'Bearer <token>'

response = http.request(request)
puts response.read_body
```

```java
import com.mashape.unirest.http.HttpResponse;
import com.mashape.unirest.http.Unirest;

HttpResponse<String> response = Unirest.head("https://api.glideapps.com/tables/2a1bad8b-cf7c-44437-b8c1-e3782df6/rows")
  .header("Authorization", "Bearer <token>")
  .asString();
```

```php
<?php
require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('HEAD', 'https://api.glideapps.com/tables/2a1bad8b-cf7c-44437-b8c1-e3782df6/rows', [
  'headers' => [
    'Authorization' => 'Bearer <token>',
  ],
]);

echo $response->getBody();
```

```csharp
using RestSharp;

var client = new RestClient("https://api.glideapps.com/tables/2a1bad8b-cf7c-44437-b8c1-e3782df6/rows");
var request = new RestRequest(Method.HEAD);
request.AddHeader("Authorization", "Bearer <token>");
IRestResponse response = client.Execute(request);
```

```swift
import Foundation

let headers = ["Authorization": "Bearer <token>"]

let request = NSMutableURLRequest(url: NSURL(string: "https://api.glideapps.com/tables/2a1bad8b-cf7c-44437-b8c1-e3782df6/rows")! as URL,
                                        cachePolicy: .useProtocolCachePolicy,
                                    timeoutInterval: 10.0)
request.httpMethod = "HEAD"
request.allHTTPHeaderFields = headers

let session = URLSession.shared
let dataTask = session.dataTask(with: request as URLRequest, completionHandler: { (data, response, error) -> Void in
  if (error != nil) {
    print(error as Any)
  } else {
    let httpResponse = response as? HTTPURLResponse
    print(httpResponse)
  }
})

dataTask.resume()
```