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# Pull a Hub's ClientInfo list into our CPO side (2.2.1 / 2.3.0)

POST https://api.ocpplab.io/ocpi/sync/{version}/cpo/hubclientinfo/pull

Fetches a Hub's ClientInfo list (which parties are reachable through it) into our CPO side. OCPI 2.2.1 and 2.3.0 only. Results are stored in the OCPI store. Pulls are incremental from the last sync; set ``date_from`` (and ``full_replace=true``) for a full resync. ``partner_id`` is the roaming partner id (``roaming_partner_id``), not the operation id from ``GET /ocpi/partners``.

Reference: https://docs.ocpplab.io/api-reference/ocpi/sync/pull-hub-client-info-as-cpo

## 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`

### Query parameters

- `partner_id` (integer, required) — Roaming partner to pull from.
- `date_from` (datetime, optional, nullable)
- `date_to` (datetime, optional, nullable)
- `offset` (integer, optional, nullable)
- `limit` (integer, optional, nullable)
- `full_replace` (boolean, optional, default: false)

## Response

### 200

Successful Response

- `partner_id` (integer, required)
- `fetched` (integer, required)
- `upserted` (integer, required)
- `complete` (boolean, required)
- `duration_ms` (integer, required)
- `last_error` (string, optional, nullable)
- `skipped_invalid` (integer, optional, nullable)
- `sweep_invalidated` (integer, optional, nullable)
- `next_url` (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.

### 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

**Response**

```json
{
  "partner_id": 7,
  "fetched": 120,
  "upserted": 118,
  "complete": true,
  "duration_ms": 842,
  "skipped_invalid": 2
}
```

**SDK Code**

```python
import requests

url = "https://api.ocpplab.io/ocpi/sync/221/cpo/hubclientinfo/pull"

querystring = {"partner_id":"7"}

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

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

print(response.json())
```

```javascript
const url = 'https://api.ocpplab.io/ocpi/sync/221/cpo/hubclientinfo/pull?partner_id=7';
const options = {method: 'POST', 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/ocpi/sync/221/cpo/hubclientinfo/pull?partner_id=7"

	req, _ := http.NewRequest("POST", 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/ocpi/sync/221/cpo/hubclientinfo/pull?partner_id=7")

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

request = Net::HTTP::Post.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.post("https://api.ocpplab.io/ocpi/sync/221/cpo/hubclientinfo/pull?partner_id=7")
  .header("Authorization", "Bearer <token>")
  .asString();
```

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

$client = new \GuzzleHttp\Client();

$response = $client->request('POST', 'https://api.ocpplab.io/ocpi/sync/221/cpo/hubclientinfo/pull?partner_id=7', [
  'headers' => [
    'Authorization' => 'Bearer <token>',
  ],
]);

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

```csharp
using RestSharp;

var client = new RestClient("https://api.ocpplab.io/ocpi/sync/221/cpo/hubclientinfo/pull?partner_id=7");
var request = new RestRequest(Method.POST);
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/ocpi/sync/221/cpo/hubclientinfo/pull?partner_id=7")! as URL,
                                        cachePolicy: .useProtocolCachePolicy,
                                    timeoutInterval: 10.0)
request.httpMethod = "POST"
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()
```