To top up your Funrise wallet, go to moonpay.com
On the main page of the service there is a form for buying cryptocurrencies.
Click on the check mark in the "currency" field and scroll through the drop-down list until you find USDC - USD Coin (Polygon).
The minimum deposit amount is 2800₽
Please note that if the deposit amount is more than 22,382.95 ₽, then it will be necessary to undergo enhanced verification — KYC. You can read more about the verification here (How it works - balance replenishment)

When registering on the Funrise platform, a crypto wallet was automatically generated for you.
You can find the wallet address "here".
Click on THIS icon to copy it to the clipboard.
Paste the copied address into the "wallet address" field (see screenshot)
If the number of characters is incorrect, the system will notify you.
If the number of characters is correct, the "Continue" button will become active.
Entering the wallet address is an important step. Make sure that the address is entered correctly.

You can add a Visa, Mastercard and all major debit and credit cards
Fill out the form with your data (the form scrolls down):

• registration address
• payment card details

Check your order carefully, because after confirmation it will be impossible to cancel, withdraw or return it back.

If all amounts and data are correct, feel free to check the box "I agree to the Terms of Use MoonPay and allow MoonPay to debit the above amount from the payment method I have chosen today" and click "Buy".

Congratulations! Check your Funrise wallet.

You can use Apple Pay to top up your Funrise wallet.
Here 
After that do everything as in the instructions above in this section.
Choose USD - USD Coin (Polygon) from the drop-down list
Enter the amount you want to add to your Funrise wallet and pay via Apple Pay.