Plaid develops financial technology infrastructure that enables applications to connect with users' bank accounts and financial data. The company provides APIs that facilitate secure access to consumer-permissioned banking, investment, and credit information across various financial institutions. Plaid’s platform supports services such as personal finance management, payments, lending, and identity verification. It is commonly used by fintech applications to streamline onboarding, verify account ownership, and aggregate financial data in real-time. By bridging financial institutions and digital tools, Plaid plays a role in enabling the development of consumer-facing financial services and tools.