MoonPay may not be available in certain regions.
If you are using the Uniswap web app, and you are unable to select the "Buy Crypto" Button, your region may not be supported just yet.
Check if your region is not supported by MoonPay here.
Please note that using MoonPay on Uniswap is not available in the state of New York as of right now.
If you would like to use Uniswap to swap crypto, you can still do so without using MoonPay. To learn more, visit the help center article How to Swap Tokens.
For more information and support, please reach out to MoonPay Customer Support.