> For the complete documentation index, see [llms.txt](https://docs.esimpay.net/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.esimpay.net/eng/webhook/low-balance-alert.md).

# Low Balance Alert

eSIMPAY sends a POST webhook for customers whose eSIM data is running low. The low-balance threshold is 100 MB: the request includes customers who have crossed this threshold.

{% hint style="info" %}
Specify your server's URL in eSIMPAY. Only HTTPS addresses are allowed.
{% endhint %}

#### Request parameters

| Parameter           | Type     | Example                              |
| ------------------- | -------- | ------------------------------------ |
| uid                 | string   | 058c8716-47dd-4fc4-be89-00978a86b7c0 |
| iccid               | string   | 89361123300836129514                 |
| imsi                | string   | 260216611193634                      |
| timestamp           | dateTime | 2022-08-21T10:15:30Z                 |
| balanceAmountInByte | long     | 93618231                             |

```python
{
  "uid": "058c8716-47dd-4fc4-be89-00978a86b7c0",
  "iccid": "89361123300836129514",
  "imsi": "260216611193634",
  "timestamp": "2022-08-21T10:15:30Z",
  "balanceAmountInByte": 93618231
}
```