FMI opines that the Fashion Resale Authentication market was valued at USD 5.8 billion in 2025, increased to USD 6.5 billion in 2026, and is projected to reach USD 21.0 billion by 2036, reflecting a 12.44% CAGR during 2026 to 2036. By segment, AI-powered visual authentication leads the Service Type category with a 45.0% share in 2026, while Luxury Handbags dominate the Application segment with a 40.0% share in 2026.