# Receiving callback notifications

### <mark style="color:green;">`GET`</mark> `/yourdomain/`

Receive notifications from our gateway to your configured endpoint.&#x20;

#### Example of successful subscription

```http
http://hostname/?action=subscribed&trixid=5cf60043-a8bb-4571-925e-57688e05fe36&user=277123456789&keyword=mv-1000000000001&service=60001
```

Example of successful billing

```http
http://yourdomain/?action=billing&trixid=5cf60043-a8bb-4571-925e-57688e05fe36&user=277123456789&keyword=mv-1000000000001&service=60001&amount=2000
```

**Body**

<table><thead><tr><th width="251.33333333333331">Parameter</th><th>Type</th><th>Example</th><th>Description</th></tr></thead><tbody><tr><td>keyword</td><td>string</td><td>mv-1000000000001</td><td>Your unique Mobivate product id. </td></tr><tr><td>trixid</td><td>string</td><td>5cf60043-a8bb-4571-925e-57688e05fe36</td><td>Your unqiuely generated trixID for this transaction.</td></tr><tr><td>orig_keyword</td><td>string</td><td>secured</td><td>The method of the keyword you are using.</td></tr><tr><td>msisdn</td><td>integer</td><td>XX0000000000</td><td>The users hashed MSISDN. </td></tr><tr><td>service</td><td>integer</td><td>60001</td><td>Your unique shortcode. </td></tr><tr><td>campaign_name</td><td>string</td><td>MyCampaign</td><td>Your chosen campaign name. </td></tr><tr><td>campaign_id</td><td>string</td><td>79000000000000abc000000000000000</td><td>Your unique campaign id. </td></tr><tr><td>cost</td><td>integer</td><td>2000</td><td>Cost of the message.</td></tr></tbody></table>

**Output**

```json
{
 "KEYWORD": "mv-1000000000001",
 "TRIXID": "5cf60043-a8bb-4571-925e-57688e05fe36",
 "ORIG_KEYWORD": "secured",
 "msisdn": "XX0000000000",
 "service": "60001",
 "campaign_name": "MyCampaign",
 "campaign_id": "79000000000000abc000000000000000",
 "cost": "2000"
}
```

To see a full list of all **available parameters** for your callbacks. Please press **CMD + M** on your keyboard while on the Campaign configuration screen.

{% hint style="info" %}
**Please note:** Our return URL parameters and notifications are configurable. You can read more about this in our [Campaign Configuration](https://wiki.mobivate.com/mno-web-opt-in/configuring-your-campaign#receive-callback-notifications-to-your-own-endpoint) section.
{% endhint %}