RSVP Loans provides invitation-only installment loans up to $2,600. These loans are offered to pre-approved customers through an RSVP code, providing a personalized borrowing experience. Funding is available as soon as the next business day if approved by the cutoff time. They do not require a credit check and offer fast funding. However, the APR is high�around 224.36% for a sample loan�which can make borrowing expensive. The service is only available by invitation and is limited by state regulations, restricting its accessibility. If you receive an invitation, it's important to review the terms carefully before accepting the loan.