FMI notes the returnless refund fraud detection market was valued at USD 380.0 million in 2025. Sales are expected to cross USD 430.0 million in 2026 and USD 1,530.0 million by 2036 at a CAGR of 13.5%. Risk scoring is projected to lead by Detection type with 31.0% share in 2026, and SaaS is set to lead by Deployment through 2036.