> For the complete documentation index, see [llms.txt](https://docs.paywithflash.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.paywithflash.com/products/editor/getting-started.md).

# Getting Started

Welcome to the **Flash Subscription API**! Flash makes it easy to manage and monetize recurring payments using Bitcoin Lightning. This is the starting point for creating your subscription plans, integrating APIs, and receiving real-time updates via webhooks.

## In this section

Learn how to:

* **Create your first Subscription Plan:** use the Flash web app to setup the parameters of your choice and get a checkout page url for you subscription plan.
* **Pre-Full User Details**: you can customise the checkout page url by passing user information (email, npub and external user id - you can pass your backend user id as well)