# Reprint By Reference

## Reprint By Reference

This function has the same aim of [Reprint](/gsped-api-english-version/spedizioni-e-dintorni/reprint.md) endpoint, but uses the numeric or alphanumeric reference istead of researching with the Gsped ID of the shipment.

{% hint style="success" %}
For this endpoint you must use unique references.
{% endhint %}

## Reprint labels via file

<mark style="color:blue;">`GET`</mark> `https://api.gsped.it/[INSTANCE]/reprintByReference`

Use the numerical OR alphanumerical reference

#### Query Parameters

| Name                                         | Type   | Description              |
| -------------------------------------------- | ------ | ------------------------ |
| ddt\_num<mark style="color:red;">\*</mark>   | String | Numerical reference      |
| ddt\_alpha<mark style="color:red;">\*</mark> | String | Alphanumerical reference |

#### Headers

| Name                                        | Type   | Description           |
| ------------------------------------------- | ------ | --------------------- |
| x-api-key<mark style="color:red;">\*</mark> | String | Apikey given by Gsped |

{% tabs %}
{% tab title="200: OK Label printed" %}

```javascript
{
    // Response
}
```

{% endtab %}

{% tab title="400: Bad Request Not unique DDT" %}

```javascript
{
    "error": "ddt_num non univoco"
}
```

{% endtab %}

{% tab title="400: Bad Request Invalid parameters" %}

```javascript
{
  "error": "ddt_alpha o ddt_num spedizione non indicata"
}
```

{% endtab %}

{% tab title="403: Forbidden Invalid Apikey" %}

```javascript
{
  "status": false,
  "error": "Invalid API key "
}
```

{% endtab %}

{% tab title="404: Not Found Not found" %}

```javascript
{
  "error": "Spedizione non trovata"
}
```

{% endtab %}
{% endtabs %}

**Example Snippets**

{% tabs %}
{% tab title="PHP" %}

```php
<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.gsped.it/sandbox/ReprintByReference?ddt_alpha=test1234",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_POSTFIELDS => "",
  CURLOPT_HTTPHEADER => [
    "x-api-key: YOUR-API-KEY"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}
```

{% endtab %}

{% tab title="PYTHON" %}

```python
import http.client

conn = http.client.HTTPSConnection("api.gsped.it")

payload = ""

headers = { 'x-api-key': "YOUR-API-KEY" }

conn.request("GET", "/sandbox/ReprintByReference?ddt_alpha=test1234", payload, headers)

res = conn.getresponse()
data = res.read()

print(data.decode("utf-8"))
```

{% endtab %}

{% tab title="GO" %}

```go
package main

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

func main() {

	url := "https://api.gsped.it/sandbox/ReprintByReference?ddt_alpha=test1234"

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

	req.Header.Add("x-api-key", "YOUR-API-KEY")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := ioutil.ReadAll(res.Body)

	fmt.Println(res)
	fmt.Println(string(body))

}
```

{% endtab %}

{% tab title="C#" %}

```csharp
var client = new HttpClient();
var request = new HttpRequestMessage
{
    Method = HttpMethod.Get,
    RequestUri = new Uri("https://api.gsped.it/sandbox/ReprintByReference?ddt_alpha=test1234"),
    Headers =
    {
        { "x-api-key", "YOUR-API-KEY" },
    },
};
using (var response = await client.SendAsync(request))
{
    response.EnsureSuccessStatusCode();
    var body = await response.Content.ReadAsStringAsync();
    Console.WriteLine(body);
}
```

{% endtab %}

{% tab title="cURL" %}

```shell
curl --request GET \
  --url 'https://api.gsped.it/sandbox/ReprintByReference?ddt_alpha=test1234' \
  --header 'x-api-key: YOUR-API-KEY'
```

{% endtab %}
{% endtabs %}


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://apidocs.gsped.com/gsped-api-english-version/spedizioni-e-dintorni/reprint-by-reference.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.