Flowglad
Payments anyone can program
Set up your product’s payments and billing in seconds. 100% open source. Comes with full stack SDK so React hooks and backend functions are built on your terms, not an external REST APIs. 1 source, 0 webhooks so you can fetch live billing data directly from Flowglad - no duplicate data or brittle webhook triggers. Get styled embedded UIs to stay on brand with components that seamlessly match your app's style.
Features
- Full-stack React + backend SDK
- Embedded billing UI components
- Webhook-free data fetching
- Hosted and embedded checkout flows
- Support for cards, bank transfers, and alternative payment methods
- Subscription management (monthly/annual)
- Metered billing and usage-based pricing
- Custom price plans and versioning
- Add-ons, coupons, credits, and discounts
- Overage handling and top-ups
- Free trials and proration logic
- Downgrades, upgrades, and reset cycles
- Automated invoicing with rich statuses
- Failed payment handling and retries
- Billing inbox and centralized customer view
- Catalog-based pricing segmentation
- Auth mapping and customer ID passthrough
- API-first and developer-focused integration flows
Use Cases
- Custom SaaS pricing: Offer "first month full price, then 25% off" with trial, deposit, and ABC-calculated overages baked in.
- Usage-based billing: Meter API calls, charge per event, and show real-time usage inside your app.
- Plan downgrades with proration: Let users downgrade mid-cycle, auto-calculate refunds or credits.
- Segmented pricing by customer cohort: YC startups get custom catalogs; legacy users stay on old plans.
- Invoicing with manual approvals: Send invoices that sales can review, modify, and finalize before payment.
- Add-ons and top-ups: Sell additional AI credits, user seats, or feature packs on demand.
- Failed payment recovery: Grace periods and retries before auto-downgrade or access pause.
- Bank transfer support: Enterprise customers toggle ACH while self-serve users pay by card.
- Self-serve billing portal: Users manage subscriptions, see invoices, and upgrade without emailing support.
- Programmatic trial-to-paid flow: Convert trials to paid subscriptions automatically, honoring all special terms.
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Comments
We built Flowglad after too many deals died at the billing stage. Our product was solid, but when it came time to charge - trials, deposits, custom terms, usage-based pricing - everything slowed down. Stripe was powerful but brittle. Every new pricing model felt like rewriting core logic. So we built Flowglad: a drop-in billing and payments engine that lets you define complex pricing, invoicing, and payment flows declaratively. Cards, bank transfers, deposits, subscriptions, overages - all just config. No webhooks. No duplicate state. No context switching for your engineers. If payments and billing have ever been a bottleneck, Flowglad was built for you.
I’m especially impressed by the flexibility to handle everything from trial conversions to failed payment retries natively. While I haven’t tested it yet, the clean dashboard and developer-first approach make this a top contender for my next project. Excited to try integrating Flowglad and see if it lives up to the hype—looks like it could simplify billing workflows without sacrificing customization. Definitely adding this to my toolkit!
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Comments
We built Flowglad after too many deals died at the billing stage. Our product was solid, but when it came time to charge - trials, deposits, custom terms, usage-based pricing - everything slowed down. Stripe was powerful but brittle. Every new pricing model felt like rewriting core logic. So we built Flowglad: a drop-in billing and payments engine that lets you define complex pricing, invoicing, and payment flows declaratively. Cards, bank transfers, deposits, subscriptions, overages - all just config. No webhooks. No duplicate state. No context switching for your engineers. If payments and billing have ever been a bottleneck, Flowglad was built for you.
I’m especially impressed by the flexibility to handle everything from trial conversions to failed payment retries natively. While I haven’t tested it yet, the clean dashboard and developer-first approach make this a top contender for my next project. Excited to try integrating Flowglad and see if it lives up to the hype—looks like it could simplify billing workflows without sacrificing customization. Definitely adding this to my toolkit!
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