This documentation set focuses on Stripe's **Subscriptions** product, providing comprehensive guidance on building and managing recurring payment systems.

The core of this documentation revolves around **Stripe Billing**, a powerful tool for handling subscription lifecycles, from initial setup to ongoing management. Key areas covered include:

*   **Subscription Fundamentals:** Understanding how subscriptions work, their lifecycle, and different pricing models (flat rate, per-seat, tiered, usage-based).
*   **Integration Building:** Guides on designing and building subscription integrations, including quickstarts and sample integrations.
*   **Configuration and Customization:** Detailed instructions on setting up various aspects of subscriptions, such as billing cycles, trial offers, discounts (coupons and promotion codes), and entitlements for feature access.
*   **Payment Management:** Information on handling payment methods, including specific guides for various payment types like ACH Direct Debit, Amazon Pay, Apple Pay, Boleto, Cash App Pay, iDEAL, Kakao Pay, Klarna, local South Korean cards, Naver Pay, PayPal, Pix, PayTo, Revolut Pay, SEPA Direct Debit, Stablecoins, TWINT, and bank transfers.
*   **Advanced Features:** Coverage of more complex functionalities like mixed interval subscriptions, subscription schedules, backdating subscriptions, and managing subscriptions on iOS.
*   **Migration and Management:** Resources for migrating existing subscriptions to Stripe and tools for managing subscription lifecycles, including canceling, pausing, and modifying subscriptions.
*   **Billing Modes:** Explanations and comparisons of different billing modes (classic and flexible) to optimize billing behavior.
*   **Webhooks:** Guidance on using webhooks to receive notifications and manage subscription events asynchronously.
*   **SaaS Integration:** Specific advice for integrating Software as a Service (SaaS) businesses with Stripe Billing.

The documentation also touches upon related Stripe products and features that complement subscriptions, such as Stripe Tax, Revenue Recognition, and the embeddable pricing table.