> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://support.altr.com.au/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# What payment methods are available?

Payment can be made via credit card (preferred method) or via invoice. After signing up for the free trial, simply update your payment method to select your preferred option and you will be charged/invoiced when payment is due.

Also read: [How to change account payment method](/en-au/article/how-to-change-account-payment-method-g4r1lf/)