> ## Documentation Index
> Fetch the complete documentation index at: https://docs.chainstack.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Chainstack updates: December 15, 2022

> Polygon MATIC is now an accepted payment option for topping up your Chainstack billing balance, joining the existing list of supported cryptocurrencies.

* **Crypto payments**. In addition to the previously available cryptocurrencies, you can now [top up your balance](/docs/manage-your-billing) with Polygon MATIC.