# Billing United

*Article Topics:* [*Billers*](/getting-started/common-topics/billers.md)

## Setting up at Billing United

If you wish to become a merchant and accept Billing United as a payment processor, register at [https://billing-united.com/](http://billing-united.com/). They should provide you with an Client ID, Username, Password which is needed to setup Billing United with NATS.

You must setup the postback urls to which Billing United will post transactions to NATS (callback url):

*https\://\<linkdomain>/signup/process\_billingunited.php*

You will also need to setup redirect url for Billing United to return member back to NATS:

*https\://\<linkdomain>/signup/returnurl\_billingunited.php*

You will need to replace \<linkdomain> with the linkdomain of your site.

## Setting up Billing United in NATS

### Billers Admin

To begin setting up Billing United in NATS, go to the Billers Admin. Scroll down to the "Setup New Biller" drop-down menu, select Billing United, and click "Add".

{% hint style="info" %}
**Please Note:** If you don't see Billing United, [put in a support ticket](http://clients.toomuchmedia.com/), as you may need an updated version of NATS.
{% endhint %}

Fill in the *Client Id, Username, Password* given to you by Billing United when prompted, and click Save. If you were not provided with this information, please contact Billing United. When adding Billing United to a Cascade, you will have the choice of the following payment methods:

* Credit Card
* Transfer
* Pin Code
* ATM
* Cash
* Online Banking
* E-Wallet

### Sites Admin

NATS does not require any site specific details to be entered in on the tour level for Billing United. However, there are specific Biller Codes you must enter in the Sites Admin for each join option you create.

### Option Setup

Edit (or create) the option(s) you want to use with Billing United. You will see the following list of available option fields (all preceded by Billing United id:#):

* Button ID - The Button ID provided to you by Argus to identify this option.
* Currency - the currency that this join option should be billed in.
* Description - This is the description for this option.

{% hint style="info" %}
**Please Note:** This biller does not support the Rebill, Upgrade Plus, xsell and Up Sale features in NATS.
{% endhint %}


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