France
Developer Tools
Lago
An open-source billing API for subscription and usage-based billing in SaaS applications.
Visit WebsiteLago is an open-source billing API developed in Paris, France, launched in 2021. It is designed for SaaS companies, providing a flexible solution for subscription and usage-based billing. Lago supports real-time billing, invoicing, and payment integrations, with a focus on developer ease and customization. Backed by Y Combinator, Lago has gained traction for its transparency and cost-efficiency, offering an alternative to proprietary billing systems. Its open-source model aligns with European values of digital sovereignty and innovation.
Features
- Subscription and usage-based billing
- Real-time billing and invoicing
- Customizable billing workflows
- Integration with payment gateways
- Open-source with Apache-2.0 license
- Multi-currency support
- Developer-friendly API
- Scalable for growing SaaS businesses
- Transparent pricing and usage tracking
Made in Europe – Supporting European innovation and digital sovereignty
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