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# Unregister from a partner (admin)

DELETE https://api.ocpplab.io/ocpi/credentials/{version}/{role}
Content-Type: application/json

Admin only. Deletes the credentials with a partner for the path version and role; it can no longer call us and we stop calling it.

Reference: https://docs.ocpplab.io/api-reference/ocpi/credentials/unregister

## Authentication

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

## Request

### Path parameters

- `version` (enum, required) — OCPI version: ``211`` (2.1.1), ``221`` (2.2.1) or ``230`` (2.3.0).
  - Allowed values: `211`, `221`, `230`
- `role` (enum, required) — Our OCPI role for this partner.
  - Allowed values: `cpo`, `emsp`

### Body (application/json)

This endpoint expects a CredentialsHandshakeRequest.

- `partner_id` (integer, required) — Roaming partner (from GET /ocpi/partners).
- `partner_url` (string, optional, nullable) — Partner versions URL (required on POST).
- `partner_token` (string, optional, nullable) — Token A on POST; Token C on PUT when not already stored.
- `partner_token_encoding` (enum, optional, default: auto)
  - Allowed values: `auto`, `raw`, `base64`
- `credentials` (map from string to any, optional, nullable)
- `credentials_url` (string, optional, nullable)

## Response

### 200

Successful Response

- `partner_id` (integer, required)
- `version` (enum, required)
  - Allowed values: `2.1.1`, `2.2.1`, `2.3.0`
- `action` (enum, required)
  - Allowed values: `registered`, `updated`, `unregistered`, `unregistered_local`, `status`
- `credentials_url` (string, optional, nullable)
- `versions_url` (string, optional, nullable)
- `endpoints` (list of map from string to any, optional, nullable)
- `tokens_deactivated` (integer, optional, nullable)
- `error` (string, optional, nullable)

## Errors

### 400 Bad Request Error

Rejected by the gateway (business rule)

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

### 401 Unauthorized Error

Missing or invalid Bearer token

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

### 403 Forbidden Error

Admin role required

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

### 404 Not Found Error

Not found for this organization

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

### 422 Unprocessable Entity Error

Validation Error

- `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

### 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

**Request**

```json
{
  "partner_id": 7
}
```

**Response**

```json
{
  "partner_id": 7,
  "version": "2.2.1",
  "action": "unregistered",
  "credentials_url": "https://emsp.example.com/ocpi/2.2.1/credentials",
  "versions_url": "https://emsp.example.com/ocpi/versions",
  "tokens_deactivated": 2
}
```

**SDK Code**

```python
import requests

url = "https://api.ocpplab.io/ocpi/credentials/221/cpo"

payload = { "partner_id": 7 }
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.delete(url, json=payload, headers=headers)

print(response.json())
```

```javascript
const url = 'https://api.ocpplab.io/ocpi/credentials/221/cpo';
const options = {
  method: 'DELETE',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: '{"partner_id":7}'
};

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"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api.ocpplab.io/ocpi/credentials/221/cpo"

	payload := strings.NewReader("{\n  \"partner_id\": 7\n}")

	req, _ := http.NewRequest("DELETE", url, payload)

	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "application/json")

	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/ocpi/credentials/221/cpo")

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

request = Net::HTTP::Delete.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"partner_id\": 7\n}"

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.delete("https://api.ocpplab.io/ocpi/credentials/221/cpo")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"partner_id\": 7\n}")
  .asString();
```

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

$client = new \GuzzleHttp\Client();

$response = $client->request('DELETE', 'https://api.ocpplab.io/ocpi/credentials/221/cpo', [
  'body' => '{
  "partner_id": 7
}',
  'headers' => [
    'Authorization' => 'Bearer <token>',
    'Content-Type' => 'application/json',
  ],
]);

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

```csharp
using RestSharp;

var client = new RestClient("https://api.ocpplab.io/ocpi/credentials/221/cpo");
var request = new RestRequest(Method.DELETE);
request.AddHeader("Authorization", "Bearer <token>");
request.AddHeader("Content-Type", "application/json");
request.AddParameter("application/json", "{\n  \"partner_id\": 7\n}", ParameterType.RequestBody);
IRestResponse response = client.Execute(request);
```

```swift
import Foundation

let headers = [
  "Authorization": "Bearer <token>",
  "Content-Type": "application/json"
]
let parameters = ["partner_id": 7] as [String : Any]

let postData = JSONSerialization.data(withJSONObject: parameters, options: [])

let request = NSMutableURLRequest(url: NSURL(string: "https://api.ocpplab.io/ocpi/credentials/221/cpo")! as URL,
                                        cachePolicy: .useProtocolCachePolicy,
                                    timeoutInterval: 10.0)
request.httpMethod = "DELETE"
request.allHTTPHeaderFields = headers
request.httpBody = postData as Data

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()
```