# Send Silent OBS Billing Message Example

### <mark style="color:green;">`GET`</mark> `/srs/api/sendsms`

Send a silent OBS billing message and charge your end-user for it.&#x20;

{% hint style="warning" %}
This may not be available due to network regulations. For example, MTN hand their own billing requests.
{% endhint %}

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

```hsts
curl -XGET -H "Content-type: application/json" 'https://hostname/srs/api/sendsms?USER_NAME=<account_id>&PASSWORD=<api_key>&ORIGINATOR=<SHORT CODE>&RECIPIENT=<MSISDN>&PR OVIDER=<Network Provider>&VALUE=<Amount>&KEYWORD=<Keyword>&MESSAGE_TEXT=SILENT%20BILLING%20MESSAGE'
```

{% endtab %}

{% tab title="Python" %}

```python
import requests

headers = {
    'Content-type': 'application/json',
}

response = requests.get(
    'https://hostname/srs/api/sendsms?USER_NAME=<account_id>&PASSWORD=<api_key>&ORIGINATOR=<SHORT CODE>&RECIPIENT=<MSISDN>&PR OVIDER=<Network Provider>&VALUE=<Amount>&KEYWORD=<Keyword>&MESSAGE_TEXT=SILENT%20BILLING%20MESSAGE',
    headers=headers,
)
```

{% endtab %}
{% endtabs %}

**Headers**

| Name          | Value              |
| ------------- | ------------------ |
| Content-Type  | `application/json` |
| Authorization | `No Auth`          |

**Body**

| Parameter     | Type    | Example                          | Description                                                   |
| ------------- | ------- | -------------------------------- | ------------------------------------------------------------- |
| account\_id   | string  | 43e36f50aaf111e272639171000000a9 | Your unique Mobivate account id.                              |
| password      | string  | 3b41d767316541bacef19d1382ac1e12 | Your unique associated Mobivate account api-key.              |
| originator    | integer | 12345                            | The associated shortcode for your service.                    |
| recipient     | integer | XX7432104492                     | The recipient you want to send this message to.               |
| provider      | string  | Safaricom                        | The network you plan to send the SMS message via.             |
| keyword       | string  | mv-100620006                     | Your unique Mobivate keyword for your service.                |
| message\_text | string  | SILENT%20BILLING%20MESSAGE       | Should be Silent Billing Message, end user will not see this. |
| value         | integer | 10                               | The cost of receiving this SMS message.                       |

**Response**

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

```json
{
  "MT-aabbccddeeff00112233445566778899"
}
```

{% endtab %}

{% tab title="511" %}

```json
{
  "error": "Username or Password incorrect"
}
```

{% endtab %}
{% endtabs %}