> For the complete documentation index, see [llms.txt](https://wiki.mobivate.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://wiki.mobivate.com/mno-web-opt-in/mno-web-opt-in-south-africa.md).
# MNO Web Opt-In South Africa
### `GET` `/lookup/za/`
Opt-In users via MNO Web-Opt-In.
Redirect the user to the Lookup URL. Once the lookup is performed, user will be sent back to your *Return URL*. Upon the return the user will already be subscribed to your service and you can start sending billed messages, but only if the `status` variable is `success`.
{% tabs %}
{% tab title="Curl" %}
```hsts
curl -XGET -H "Content-type: application/json" 'https:///lookup/za/?shortcode=&service==&freq=&campaign=&amount=&bl=&bc=&tc=&return='
```
{% endtab %}
{% tab title="Python" %}
```python
import requests
headers = {
'Content-type': 'application/json',
}
response = requests.get(
'https:///lookup/za/?shortcode=&service==&freq=&campaign=&amount=&bl=&bc=&tc=&return=',
headers=headers,
)
```
{% endtab %}
{% endtabs %}
**Headers**
| Name | Value |
| ------------- | ------------------ |
| Content-Type | `application/json` |
| Authorization | `No Auth` |
**Body**
| Name | Type | Example | Description |
| --------- | ------- | ------------------------------------------------------- | ------------------------------------------------------------------------------------------ |
| shortcode | string | 30000 | The shortcode associated with your service. |
| service | string | apple=aaaabbbbcccccddddd | Your unique Mobivate Keyword and the Product ID. |
| frequency | string | 1-7,31 | Billing frequency, `1`-`7` messages per week, or if `31` then it's single monthly billing. |
| campaign | string | My Campaign | Your internal campaign description. |
| amount | integer | 10 | Amound of Rand (ZAR) billed per billing request. |
| bl | string | [http://yourdomain/logo.pn](http://yourdomain/logo.png) | Full URL to your Header Image. |
| bc | string | ffffff | HEX value for the background colour. |
| tc | string | 000000 | HEX value for the text colour. |
| return | string | | Your return URL. |
#### Response
{% tabs %}
{% tab title="200" %}
```json
{
"status": "success",
"message": "Successful subscription",
"userid": "44700000000",
"network": "safaricom"
}
```
{% endtab %}
{% tab title="400" %}
```json
{
"error": "Invalid request"
}
```
{% endtab %}
{% endtabs %}
#### Output fields
| Parameter | Description |
| --------- | ------------------------------------------------------- |
| status | MNO subscription status, either `success` or `failed`. |
| message | Any message passed through from the MNO. |
| userid | If the MSISDN was detected, the fully qualified MSISDN. |
| network | MNO identifier. |
---
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