> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.monite.com/v2024-01-31/api/einvoicing-search/get-einvoice-search/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.monite.com/_mcp/server.

# Check if e-invoicing credentials exist in the network

GET https://api.sandbox.monite.com/v1/einvoice_search

Reference: https://docs.monite.com/api/einvoicing-search/get-einvoice-search

## Authentication

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

## Servers

- `https://api.sandbox.monite.com/v1` (sandbox, default)
- `https://api.monite.com/v1` (eu_production)
- `https://us.api.monite.com/v1` (na_production)

## Request

### Query parameters

- `network_identifier` (string, required)
- `network_schema` (enum, required)
  - Allowed values: `DE:VAT`, `NL:KVK`, `NL:VAT`, `BE:VAT`, `BE:EN`

### Headers

- `x-monite-version` (string, required)

## Response

### 200

Successful Response

- `exists` (boolean, required) — Indicates if the e-invoicing credentials exist in the system

## Errors

### 409 Get Einvoice Search Request Conflict Error

Business logic error

- `error` (ErrorSchema, required)

### 422 Get Einvoice Search Request Unprocessable Entity Error

Validation Error

- `detail` (list of ValidationError, optional)

### 500 Get Einvoice Search Request Internal Server Error

Internal Server Error

- `error` (ErrorSchema, required)

## Types

### ErrorSchema

- `message` (string, required)

### ValidationError

- `loc` (list of ValidationErrorLocItem, required)
- `msg` (string, required)
- `type` (string, required)

### ValidationErrorLocItem

## Examples

**Response**

```json
{
  "exists": true
}
```

**SDK Code**

```python
import requests

url = "https://api.sandbox.monite.com/v1/einvoice_search"

querystring = {"network_identifier":"network_identifier","network_schema":"DE:VAT"}

headers = {
    "x-monite-version": "2024-01-31",
    "Authorization": "Bearer <token>"
}

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

print(response.json())
```

```javascript
const url = 'https://api.sandbox.monite.com/v1/einvoice_search?network_identifier=network_identifier&network_schema=DE%3AVAT';
const options = {
  method: 'GET',
  headers: {'x-monite-version': '2024-01-31', 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.sandbox.monite.com/v1/einvoice_search?network_identifier=network_identifier&network_schema=DE%3AVAT"

	req, _ := http.NewRequest("GET", url, nil)

	req.Header.Add("x-monite-version", "2024-01-31")
	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.sandbox.monite.com/v1/einvoice_search?network_identifier=network_identifier&network_schema=DE%3AVAT")

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

request = Net::HTTP::Get.new(url)
request["x-monite-version"] = '2024-01-31'
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.sandbox.monite.com/v1/einvoice_search?network_identifier=network_identifier&network_schema=DE%3AVAT")
  .header("x-monite-version", "2024-01-31")
  .header("Authorization", "Bearer <token>")
  .asString();
```

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

$client = new \GuzzleHttp\Client();

$response = $client->request('GET', 'https://api.sandbox.monite.com/v1/einvoice_search?network_identifier=network_identifier&network_schema=DE%3AVAT', [
  'headers' => [
    'Authorization' => 'Bearer <token>',
    'x-monite-version' => '2024-01-31',
  ],
]);

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

```csharp
using RestSharp;

var client = new RestClient("https://api.sandbox.monite.com/v1/einvoice_search?network_identifier=network_identifier&network_schema=DE%3AVAT");
var request = new RestRequest(Method.GET);
request.AddHeader("x-monite-version", "2024-01-31");
request.AddHeader("Authorization", "Bearer <token>");
IRestResponse response = client.Execute(request);
```

```swift
import Foundation

let headers = [
  "x-monite-version": "2024-01-31",
  "Authorization": "Bearer <token>"
]

let request = NSMutableURLRequest(url: NSURL(string: "https://api.sandbox.monite.com/v1/einvoice_search?network_identifier=network_identifier&network_schema=DE%3AVAT")! 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()
```