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# List a token group's tokens

GET https://api.ocpplab.io/cpo/token-groups/{id}/tokens

The member tokens, as the charger gateway currently holds them.

Reference: https://docs.ocpplab.io/api-reference/cpo/token-groups/list-tokens

## Authentication

- `Authorization` header (bearer token, required) — Bearer authentication of the form `Bearer <token>`, where token is your auth token.

## Request

### Path parameters

- `id` (integer, required) — The token group's ``id``.

### Query parameters

- `offset` (integer, optional, default: 0) — Rows to skip. Pass the previous page's ``next_offset`` to continue.
- `limit` (integer, optional, default: 50) — Maximum rows per page (default 50, max 200).

## Response

### 200

One page of results; ``next_offset`` is null on the last page.

- `items` (list of GatewayToken, required)
- `offset` (integer, required)
- `limit` (integer, required)
- `next_offset` (integer, optional, nullable)

## Errors

### 401 Unauthorized Error

Missing or invalid Bearer token

- `detail` (string, required) — Human-readable error message returned by the API.

### 404 Not Found Error

Token group 7 not found for your organization

- `detail` (string, required) — Human-readable error message returned by the API.

### 422 Unprocessable Entity Error

The request does not match the schema

- `detail` (list of ValidationError, optional) — One entry per invalid field.

### 429 Too Many Requests Error

Gateway rate limit reached; retry after the given seconds

- `detail` (string, required) — Human-readable error message returned by the API.

### 502 Bad Gateway Error

Gateway unreachable, failing, or misconfigured

- `detail` (string, required) — Human-readable error message returned by the API.

### 504 Gateway Timeout Error

Gateway timed out

- `detail` (string, required) — Human-readable error message returned by the API.

## Types

### GatewayToken

Authorization token as the OCPP gateway returns it.

- `id` (integer, required)
- `organization_id` (string, required)
- `id_token` (string, required)
- `status` (string, required)
- `id_token_type` (string, optional, nullable)
- `cache_expiry_date_time` (datetime, optional, nullable)
- `parent_id_tag` (string, optional, nullable)
- `prepaid_balance` (string, optional, nullable)
- `real_time_auth` (boolean, optional, nullable)
- `provider_id` (integer, optional, nullable)
- `description` (string, optional, nullable)
- `deleted_at` (datetime, optional, nullable)
- `card_number` (string, optional, nullable)
- `status_reason` (string, optional, nullable)
- `status_changed_at` (datetime, optional, nullable)
- `revision` (integer, optional, nullable)
- `card_state` (string, optional, nullable)
- `valid_until` (datetime, optional, nullable)
- `allow_simultaneous_charging` (boolean, optional, nullable)

### ValidationError

Why one field is invalid.

- `loc` (list of ValidationErrorLocItems, required) — Where the field is: ``body`` / ``query`` / ``path`` / ``header``, then its name.
- `msg` (string, required) — What is wrong, in English.
- `type` (string, required) — Machine-readable error code, e.g. ``missing``.
- `input` (any, optional) — The value that was sent.
- `ctx` (ValidationErrorCtx, optional) — Details of the rule that failed, e.g. `{"le": 200}`.

### ValidationErrorLocItems

### ValidationErrorCtx

Details of the rule that failed, e.g. `{"le": 200}`.

## Examples

**Response**

```json
{
  "items": [
    {
      "id": 3301,
      "organization_id": "550e8400-e29b-41d4-a716-446655440000",
      "id_token": "04A2B3C4D5E6F7",
      "status": "Accepted",
      "id_token_type": "ISO14443",
      "parent_id_tag": "GRP-DEPOT",
      "real_time_auth": false,
      "card_number": "OCP-0001",
      "revision": 2
    }
  ],
  "offset": 0,
  "limit": 50
}
```

**SDK Code**

```python
import requests

url = "https://api.ocpplab.io/cpo/token-groups/7/tokens"

querystring = {"limit":"50","offset":"0"}

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

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

print(response.json())
```

```javascript
const url = 'https://api.ocpplab.io/cpo/token-groups/7/tokens?limit=50&offset=0';
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
package main

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

func main() {

	url := "https://api.ocpplab.io/cpo/token-groups/7/tokens?limit=50&offset=0"

	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
require 'uri'
require 'net/http'

url = URI("https://api.ocpplab.io/cpo/token-groups/7/tokens?limit=50&offset=0")

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

HttpResponse<String> response = Unirest.get("https://api.ocpplab.io/cpo/token-groups/7/tokens?limit=50&offset=0")
  .header("Authorization", "Bearer <token>")
  .asString();
```

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

$client = new \GuzzleHttp\Client();

$response = $client->request('GET', 'https://api.ocpplab.io/cpo/token-groups/7/tokens?limit=50&offset=0', [
  'headers' => [
    'Authorization' => 'Bearer <token>',
  ],
]);

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

```csharp
using RestSharp;

var client = new RestClient("https://api.ocpplab.io/cpo/token-groups/7/tokens?limit=50&offset=0");
var request = new RestRequest(Method.GET);
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.ocpplab.io/cpo/token-groups/7/tokens?limit=50&offset=0")! 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()
```