API developers and companies often face challenges in setting up systems to monetize their APIs due to the complexity and engineering efforts required. Moesif addresses this issue with its Billing Meters feature, offering extensive customizability with minimal code, facilitating API monetization. Utilizing Moesif, Java Spring, and Stripe, developers can charge users for API usage by setting up a registration endpoint that integrates Stripe for customer management and Moesif for tracking API usage and billing. The process involves creating products and pricing in Stripe, integrating Stripe with Moesif for subscription updates, and configuring billing meters to track usage and report it to Stripe. Developers can implement both recurring and one-off pricing models, utilizing features such as JWTs for user authentication and Moesif filters for tracking. Additionally, a frontend registration form is created to simplify user onboarding, which generates JWTs for users to monitor their API usage. This setup enables developers to quickly establish a monetization scheme with minimal engineering overhead, leveraging Moesif's integration capabilities with Stripe for a streamlined post-paid billing process.