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# Update a connector

PATCH https://api.ocpplab.io/cpo/connectors/{connector_db_id}
Content-Type: application/json

Changes only the fields sent; send null to clear a field. Connectors of partner EVSEs are read-only (409).

Reference: https://docs.ocpplab.io/api-reference/cpo/connectors/update

## Authentication

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

## Request

### Path parameters

- `connector_db_id` (integer, required) — The connector's ``id``.

### Body (application/json)

This endpoint expects a ConnectorUpdate.

- `ocpi_connector_id` (string, optional, nullable)
- `standard` (string, optional, nullable)
- `format` (enum, optional, nullable) — OCPI connector format.
  - Allowed values: `CABLE`, `SOCKET`
- `power_type` (enum, optional, nullable) — OCPI power type.
  - Allowed values: `AC_1_PHASE`, `AC_2_PHASE`, `AC_2_PHASE_SPLIT`, `AC_3_PHASE`, `DC`
- `max_voltage` (integer, optional, nullable)
- `max_amperage` (integer, optional, nullable)
- `max_electric_power` (integer, optional, nullable)
- `type` (string, optional, nullable)
- `terms_and_conditions` (string, optional, nullable)
- `terms_and_conditions_url` (string, optional, nullable)
- `capabilities` (list of string, optional, nullable)

## Response

### 200

The object after the update.

- `id` (integer, required)
- `organization_id` (string, required)
- `charge_point_id` (string, required)
- `evse_id` (integer, required)
- `connector_id` (integer, required)
- `evse_type_connector_id` (integer, required)
- `status` (string, required)
- `error_code` (string, required)
- `auto_created` (boolean, required)
- `timestamp` (datetime, required)
- `last_updated` (datetime, required)
- `revision` (integer, required)
- `evse_uid` (string, optional, nullable)
- `ocpi_connector_id` (string, optional, nullable)
- `ocpi_status` (CpoConnectorOutOcpiStatus, optional, nullable)
- `type` (string, optional, nullable)
- `standard` (string, optional, nullable)
- `format` (CpoConnectorOutFormat, optional, nullable)
- `power_type` (CpoConnectorOutPowerType, optional, nullable)
- `max_voltage` (integer, optional, nullable)
- `max_amperage` (integer, optional, nullable)
- `max_electric_power` (integer, optional, nullable)
- `info` (string, optional, nullable)
- `vendor_id` (string, optional, nullable)
- `vendor_error_code` (string, optional, nullable)
- `fault_code_decoded` (string, optional, nullable)
- `fault_source` (string, optional, nullable)
- `terms_and_conditions` (string, optional, nullable)
- `terms_and_conditions_url` (string, optional, nullable)
- `tariff_ids` (list of string, optional, nullable)
- `capabilities` (list of string, optional, nullable)
- `ocpp_version` (string, optional, nullable)
- `responded_at` (datetime, 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

Connector not found for your organization

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

### 409 Conflict Error

Received from a roaming partner; read-only

- `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

### CpoConnectorOutOcpiStatus

### CpoConnectorOutFormat

### CpoConnectorOutPowerType

### 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
{
  "max_electric_power": 11000
}
```

**Response**

```json
{
  "id": 201,
  "organization_id": "550e8400-e29b-41d4-a716-446655440000",
  "charge_point_id": "CP-AMS-001",
  "evse_id": 101,
  "connector_id": 1,
  "evse_type_connector_id": 1,
  "status": "Available",
  "error_code": "NoError",
  "auto_created": false,
  "timestamp": "2026-09-30T10:00:00Z",
  "last_updated": "2026-09-30T10:00:00Z",
  "revision": 2,
  "evse_uid": "NL*OCP*E1001*1",
  "ocpi_connector_id": "1",
  "ocpi_status": "AVAILABLE",
  "standard": "IEC_62196_T2",
  "format": "SOCKET",
  "power_type": "AC_3_PHASE",
  "max_voltage": 400,
  "max_amperage": 32,
  "max_electric_power": 11000,
  "tariff_ids": [
    "TARIFF-AC-STD"
  ],
  "ocpp_version": "ocpp2.0.1"
}
```

**SDK Code**

```python
import requests

url = "https://api.ocpplab.io/cpo/connectors/201"

payload = { "max_electric_power": 11000 }
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.json())
```

```javascript
const url = 'https://api.ocpplab.io/cpo/connectors/201';
const options = {
  method: 'PATCH',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: '{"max_electric_power":11000}'
};

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/cpo/connectors/201"

	payload := strings.NewReader("{\n  \"max_electric_power\": 11000\n}")

	req, _ := http.NewRequest("PATCH", 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/cpo/connectors/201")

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

request = Net::HTTP::Patch.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"max_electric_power\": 11000\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.patch("https://api.ocpplab.io/cpo/connectors/201")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"max_electric_power\": 11000\n}")
  .asString();
```

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

$client = new \GuzzleHttp\Client();

$response = $client->request('PATCH', 'https://api.ocpplab.io/cpo/connectors/201', [
  'body' => '{
  "max_electric_power": 11000
}',
  'headers' => [
    'Authorization' => 'Bearer <token>',
    'Content-Type' => 'application/json',
  ],
]);

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

```csharp
using RestSharp;

var client = new RestClient("https://api.ocpplab.io/cpo/connectors/201");
var request = new RestRequest(Method.PATCH);
request.AddHeader("Authorization", "Bearer <token>");
request.AddHeader("Content-Type", "application/json");
request.AddParameter("application/json", "{\n  \"max_electric_power\": 11000\n}", ParameterType.RequestBody);
IRestResponse response = client.Execute(request);
```

```swift
import Foundation

let headers = [
  "Authorization": "Bearer <token>",
  "Content-Type": "application/json"
]
let parameters = ["max_electric_power": 11000] as [String : Any]

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

let request = NSMutableURLRequest(url: NSURL(string: "https://api.ocpplab.io/cpo/connectors/201")! as URL,
                                        cachePolicy: .useProtocolCachePolicy,
                                    timeoutInterval: 10.0)
request.httpMethod = "PATCH"
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()
```