Flowglad – Open source, webhook-free payments integrated via API

Summary: Flowglad is an open source payment provider that eliminates the need for webhooks by serving as a single source of truth for billing and customer data. It simplifies payment integration by providing frontend React hooks and backend SDKs that use your customer IDs, reducing complex synchronization and race conditions.

What it does

Flowglad provides a React hook for creating checkouts and checking feature access in real time, alongside a backend SDK that allows usage events and billing actions tied to your customer IDs. This removes the need for glue code and database mappings typically required in payment flows.

Who it's for

Developers building SaaS applications who want to streamline payment and billing integration without managing webhooks or complex database synchronization.

Why it matters

It addresses the complexity and brittleness of traditional payment flows by centralizing billing state and reducing server-client communication and maintenance overhead.