Ad hoc payments, which are non-recurring payments, are crucial for cash flow management and are often processed through instant payment systems. They are the most common form of payment received by average firms, accounting for 54% of total revenue in U.S. mid-sized companies. According to PYMNTS Intelligence data, 33% of mid-sized companies, generating between $5 million and $25 million in annual revenue, receive ad hoc payments via instant methods. Nearly 6 in 10 of these companies are willing to pay a fee for this service and receive their payments instantly. The study ""How Instant Ad Hoc Payments Drive SMB Success"" examines SMBs' reliance on ad hoc payments, their challenges in processing accounts receivable, and how instant payment methods can help manage cash flows and set them up for success. SMBs with higher revenue receive 33% of ad hoc payments via instant methods, while smaller companies receive only 25%.