Marqeta is a financial technology (fintech) company that specializes in modern card issuing and payment processing solutions. The company operates in the digital payments market, providing a platform that allows businesses to create, issue, and manage payment cards. Marqeta serves a diverse range of clients, including financial institutions, tech companies, and other businesses that require customized payment solutions.

Marqeta's business model revolves around its open API (Application Programming Interface) platform, which enables clients to integrate Marqeta's services into their own applications and systems. This flexibility allows businesses to tailor payment solutions to their specific needs, whether it's for expense management, disbursements, or consumer payments.

The company makes money primarily through transaction fees. Every time a card issued through Marqeta's platform is used, Marqeta earns a small fee. Additionally, the company may charge setup fees and other service fees depending on the complexity and scale of the client's needs.

Marqeta has been a significant player in the fintech space, especially during the COVID-19 pandemic, which saw a surge in digital payments as people shifted to online shopping and contactless payments. The company's ability to quickly adapt and scale its services has been a key factor in its growth.

In summary, Marqeta is a fintech company that provides modern card issuing and payment processing solutions through an open API platform. It serves a wide range of clients and makes money through transaction and service fees.

Keywords: fintech, card issuing, payment processing, API platform, digital payments, transaction fees, financial institutions, tech companies, customized solutions, COVID-19.