# Authentication

## Create token.

<mark style="color:green;">`POST`</mark> `https://public-api.expertfile.com/oauth/token`

You can find your Client ID and Client Secret in Settings->Integrations inside ExpertFile dashboard. The url is: <https://expertfile.com/dashboard/settings/integrations>.

<figure><img src="/files/XIaA0pdcpP81G6UdNDHe" alt=""><figcaption></figcaption></figure>

#### Response

{% tabs %}
{% tab title="200" %}

```json
  data: {
    accessToken: '<ACCESS CODE>',
    accessTokenExpiresAt: '2024-06-24T16:10:43.457Z',
    client: '<CLIENT ID>',
    user: <ORG ID>,
    scope: true
  },
  success: true
}
```

{% endtab %}
{% endtabs %}

#### Code

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

```javascript
const data = new URLSearchParams();

data.append('client_id', '<YOUR CLIENT ID>');
data.append('client_secret', '<YOUR CLIENT SECRET>');
data.append('grant_type', 'client_credentials');

fetch('https://public-api.expertfile.com/v2/oauth/token', {
    method: 'POST',
    headers: {
        'Content-Type': 'application/x-www-form-urlencoded'
    },
    body: data
})
.then(response => response.json())
.then(json => {
    const { success, data } = json

    if (success) {
        const { accessToken, accessTokenExpiresAt } = data
        console.log('Token used to sign requests for data', accessToken)
    }

})
.catch(error => console.error(error));
```

{% endtab %}

{% tab title="PHP" %}

```php
$client_id = urlencode('<YOUR CLIENT ID>');
$client_secret = urlencode('<YOUR CLIENT SECRET>');
$grant_type =  'client_credentials';

$params =
    [
        'client_id' => $client_id,
        'client_secret' => $client_secret,
        'grant_type' => $grant_type
    ];

$url = 'https://public-api.expertfile.com/v2/oauth/token';

$ch = curl_init($url);
curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-Type: application/x-www-form-urlencoded'));
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($params));

$response = curl_exec($ch);
$json = json_decode($response);

if ($json->success) {
    var_dump('Token used to sign requests for data', $json->data->accessToken);
}

curl_close($ch);
```

{% endtab %}

{% tab title="Curl" %}

```
curl -X POST \
  https://public-api.expertfile.com/v2/oauth/token \
  -H 'cache-control: no-cache' \
  -H 'content-type: application/x-www-form-urlencoded' \
  -d 'client_id=<YOUR_ID>&client_secret=<YOUR_SECRET>&grant_type=client_credentials'
```

{% endtab %}
{% endtabs %}

{% hint style="info" %}
**Good to know:** You'll be required to sign all requests for data using the token received in this response. Tokens are valid for 30 days, so you may want to store the token for reuse and avoid making repeat calls for a new token.
{% endhint %}


---

# 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://developer.expertfile.com/reference/api-reference/authentication.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.