Pinwheel, operating as Underdog Technologies Inc., provides API infrastructure that enables real-time access to income and employment data directly from payroll systems. Founded in 2019 and headquartered in New York, the company serves fintech companies and banks seeking to streamline income verification processes for lending, underwriting, and financial services applications. Pinwheel's platform eliminates traditional manual verification methods by connecting directly to payroll providers, offering faster and more accurate employment data retrieval. The company focuses on expanding its payroll network coverage and enhancing API capabilities to support the growing demand for automated income verification in digital financial services.