# Download File

## GET or POST Request <a href="#get-or-post-request" id="get-or-post-request"></a>

{% hint style="info" %}
<https://v1.api19.com/fax/download>
{% endhint %}

Send us a GET or POST request with your key and fax id.

This will deliver the fax back to you or if no file can be found, we will return an http code 500 and a json object.&#x20;

<table data-header-hidden><thead><tr><th width="152.09088134765625"></th><th width="136.72723388671875"></th><th></th></tr></thead><tbody><tr><td>Argument</td><td>Required</td><td>Type</td></tr><tr><td>key</td><td>yes</td><td>api key</td></tr><tr><td>fax_id</td><td>yes</td><td>fax id</td></tr></tbody></table>

{% tabs %}
{% tab title="Curl Post" %}

```php
curl -X POST https://v1.api19.com/fax/download\
 -d "fax_id=234234" \
 -d 'key=your-key'
```

{% endtab %}

{% tab title="Response" %}

```
HTTP 200 OK
HTTP File download object

HTTP 500
{"status":"error", "error": "Unable to retrieve fax"}
```

{% 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.api19.com/faxing/download-file.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.