Card Issuance and Payment Management with Marqeta Core API

Modern businesses need flexible, programmable payment solutions to issue cards and control spending at scale. Understanding how to leverage modern card-issuing APIs is a highly valuable skill for developers, product managers, and fintech professionals. This text-only course guides you from fintech fundamentals to confidently designing, issuing, and managing virtual and physical cards. By reading through clear explanations and structured code examples, you will understand how to structure API requests, manage cardholder data securely, and process transactions in real time. You will also learn how to implement modern security patterns and manage event-driven systems using webhooks. What you'll learn: - Understand foundational payment card industry terminology and how open APIs power modern card issuance. - Configure card programs, user accounts, and card products using Marqeta Core API resources. - Implement real-time transaction controls and funding rules to manage spending limits. - Manage the lifecycle of virtual and physical cards, from initial activation to suspension and termination. - Set up secure webhook endpoints to receive instant transaction notifications and event alerts. - Test card transactions and simulated authorization flows safely within a sandbox environment. You will begin with the core definitions of payment networks and API authentication, then progress through step-by-step written walkthroughs of card creation, funding configurations, and transaction simulation. This course is designed for beginners, developers, and fintech enthusiasts; no prior experience with payment APIs is required. Start reading today to build your foundational knowledge of modern programmable payments.