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# Get a callback URL by ID

GET https://iot.telia.lt/api/v1/api_callback/{api_callback_id}

Reference: https://docs.iot.telia.lt/developers/api/integrations/get-callback-ur-lby-id

## Authentication

- `Authorization` header (bearer token, required) — An `auth_token` should be provided to authenticate a session. To obtain an `auth_token`, see the [`/api/v1/authenticate` **POST** request](/developers/api/authentication/authenticate).

## Request

### Path parameters

- `api_callback_id` (integer, required) — A numeric ID of an API Callback URL

## Response

### 200

API Callback by ID

- `any`

## Errors

### 403 Forbidden Error

Your role doesn't include the permission this endpoint requires. Most endpoints return `error_code`, `error_token`, and `message`. Some return only `status_code` and `message`.

- `error_code` (integer, optional)
- `error_token` (string, optional)
- `status_code` (integer, optional)
- `message` (string, optional)

### 404 Not Found Error

API Callback with this ID not found

- `any`

## Examples

**Response**

```json
{
  "created": "2020-02-20T14:15:06.000Z",
  "id": 2,
  "organisation_id": "1234",
  "purpose": "Testing SMS Delivery Report",
  "url": "https://example.com/sms"
}
```

**SDK Code**

```python API callback
import requests

url = "https://iot.telia.lt/api/v1/api_callback/1"

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

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

print(response.json())
```

```javascript API callback
const url = 'https://iot.telia.lt/api/v1/api_callback/1';
const options = {method: 'GET', 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 API callback
package main

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

func main() {

	url := "https://iot.telia.lt/api/v1/api_callback/1"

	req, _ := http.NewRequest("GET", 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 API callback
require 'uri'
require 'net/http'

url = URI("https://iot.telia.lt/api/v1/api_callback/1")

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

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

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

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

HttpResponse<String> response = Unirest.get("https://iot.telia.lt/api/v1/api_callback/1")
  .header("Authorization", "Bearer <token>")
  .asString();
```

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

$client = new \GuzzleHttp\Client();

$response = $client->request('GET', 'https://iot.telia.lt/api/v1/api_callback/1', [
  'headers' => [
    'Authorization' => 'Bearer <token>',
  ],
]);

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

```csharp API callback
using RestSharp;

var client = new RestClient("https://iot.telia.lt/api/v1/api_callback/1");
var request = new RestRequest(Method.GET);
request.AddHeader("Authorization", "Bearer <token>");
IRestResponse response = client.Execute(request);
```

```swift API callback
import Foundation

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

let request = NSMutableURLRequest(url: NSURL(string: "https://iot.telia.lt/api/v1/api_callback/1")! as URL,
                                        cachePolicy: .useProtocolCachePolicy,
                                    timeoutInterval: 10.0)
request.httpMethod = "GET"
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()
```