# Billing Information

You need to enter a few information to upgrade your plan to other than **Free (Basic)**:

* Billing email
* Name or Company
* Address
* City
* Country
* Postal code

## Two ways to enter the billing information

You can change or enter your billing information through the sidebar or directly before the purchase.

### At purchase

1. Go to ![](/files/-MW3ILQh6noEbiEk3yv_) the sidebar.
2. Choose **Medium** or **Large** plan by clicking on ![](/files/-MW3JC4i9WfTTS5WMDTc)
3. Confirm your change by clicking on ![](/files/-MW3JfeaNTF2wKjmpF6a) in a pop-up window
4. Fill in your billing information and click on ![](/files/-MW3LIzlqlSDpopaCYcX)
5. You are ready to proceed with the purchase

#### Example of filled information:

![](/files/-MXpt8wiyn0XN3q-KlrF)

### Via sidebar

1. Go to **Billing** on the sidebar
2. Click on ![](/files/-MQvCgl6NpUH5dAdzgi6) button

#### Example of filled information:

![](/files/-M_L2T9FlNaTryMduBbD)


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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.decisionrules.io/doc/~/changes/VuchuDyabVa3NSXAKjpZ/billing/change-billing-information.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.