Build a Subscription Service for your NextJS & Prisma App with QStash

The article outlines the process of integrating a subscription service into a NextJS project, focusing on a SaaS model that delivers daily motivational quotes via email for a subscription fee. It highlights the use of Prisma for data modeling, emphasizing the importance of organizing database schemas for users, quotes, payments, and subscriptions. The text explains the setup of a payment provider, such as Stripe for regions like the US and DPO Payments for Africa, to handle transactions and track user payments in the database. It also addresses managing subscription logic, including handling multiple payments and updating subscription status in the database. Additionally, the article details implementing CRON jobs with Upstash’s Qstash Service to automate subscription updates, ensuring users are unsubscribed once their subscription period ends by adjusting their days of service. This comprehensive guide provides the necessary steps to successfully add subscription functionalities to a SaaS application using various tools and best practices.