> For the complete documentation index, see [llms.txt](https://docs.talordata.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.talordata.com/proxy/rotating-residential-proxies/parameter-description/username-password-parameter.md).

# Username:Password Parameter

CURL Request Parameters:

| **Parameters** | **Description**                                                                                                                                                                                               |
| -------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| username       | Proxy Sub-Username                                                                                                                                                                                            |
| zone           | IP Resource Name                                                                                                                                                                                              |
| region         | Country/Region Code uses the two-letter country code format, case-insensitive. Random regions omit this parameter. For example, DE represents Germany, GB represents the United Kingdom, IT represents Italy. |
| st             | State/Province                                                                                                                                                                                                |
| city           | City                                                                                                                                                                                                          |
| asn            | Specified ISP operator for the country, defaulting to a random value                                                                                                                                          |
| session        | Session ID for fixed IP and switching IP. Can preserve the same IP for subsequent requests. Session ID retention time is limited. Supports random strings, characters 0-9 and A-Z.                            |
| sessTime       | Session duration: 1-120 minutes                                                                                                                                                                               |
| password       | Proxy Sub-User Password                                                                                                                                                                                       |

{% hint style="info" icon="square-half-stroke" %} <mark style="color:$success;">**Example**</mark>
{% endhint %}

* For example, if you select the proxy country as **US-New York** and a **Sticky IP session of 5 minutes**:

Curl example：

```
curl -x na.talordata.net:port -U “username-zone-flux-region-us-st-newyork-session-eee8a4a1e2
```