Marqeta

Marqeta builds an API-based card issuing and payments processing platform that lets fintechs and enterprises create virtual and physical cards, authorize transactions, and manage spend in real time. Founded in 2010 and headquartered in Oakland, California, it is a public company that generates revenue from usage-based fees and program management. Its platform powers embedded finance for brands such as Block/Cash App and Instacart, and it is listed on Nasdaq.