You can top up your balance with $USDC$ USDC Polygon cryptocurrency (read more about Polygon) via purchase services or transferring funds from other crypto wallets.
Buy crypto with a credit/debit card
You can use an embedded widget. This is the easiest, quickest, most secure way to top up your balance. Please read how to do it here.
One of the following services can also be used:
How to buy crypto with a credit/debit card via MoonPay service
How to buy crypto with a credit/debit card via RampNetwork service
Top-up via exchange
Note: KYC and payment transactions require time. So be aware that you wouldn't see funds immediately at your Funrise wallet. However, it doesn't take much time; the average time is about 30 minutes, depending on the payment service you choose.
Read how to transfer a cryptocurrency to Funrise wallet.
And more on your choice.