Refinancing is available in the “Manage your loan” section of the mobile or web app. You can refinance an existing loan into a new one as long as:

To refinance, you don’t have to pay any fees, but you need to pay any outstanding accrued interest with your cash or bitcoin balance. Collateral moves automatically to the refinanced loan, which will have a new maturity date. You’ll be presented with the new terms, and the refinanced loan will be opened after you sign the new agreement.

You can’t refinance a monthly-payment loan into a payment-at-maturity one, or vice versa.