boxbilling.com

What It Is

BoxBilling is an open-source billing engine for SaaS businesses. Its official site also presents it under the name bxb, with a core focus on usage-based, subscription, and hybrid billing. It can be self-hosted on a company’s own infrastructure, and there is also an official Managed version. The project emphasizes no vendor lock-in, auditable source code, and no per-event charges.

Core Features and Integrations

In terms of feature coverage, BoxBilling is aimed at complex commercial billing scenarios. It supports configurable billable metrics and can handle usage metrics such as API requests, storage, compute hours, and bandwidth. It also supports subscriptions, fixed fees, invoices and credit notes, wallet balances, prepaid credits, coupons, and promotions. Its bxb Elements are embeddable Web Components for customer portals, covering account overview, invoices, subscriptions, wallet, payment methods, usage, profile, and activity logs. They support React, Vue, Svelte, Angular, or plain HTML, and themes can be customized via CSS variables. On the ecosystem side, the listed integrations include ChartMogul, Baremetrics, ProfitWell, as well as Stripe, Lago, Chargebee, Recurly, and Paddle.

Pricing and Deployment

The Open Source version is free, licensed under AGPL-3.0, and can be self-hosted. It includes unlimited events, invoices, and customers, all billing models, a REST API, and GitHub community support. Managed costs $14k/month and includes EU/US hosting, a 99.9% SLA, autoscaling, daily backups, SSL/custom domains, Email and Slack support, and a dedicated account manager. It includes 5 team members, with additional members at $15/month. Enterprise uses custom pricing and offers dedicated infrastructure, a 99.99% SLA, priority support in under 1 hour, migration assistance, a commercial license, and unlimited members.

Pros and Cons

The main advantages are that it is open source, self-hostable, supports unlimited events, and does not charge a metering tax, making it friendly for products with high-frequency usage-based billing. The frontend portal components can also reduce development effort. The downsides are that Managed pricing is clearly enterprise-oriented, and the product still appears to be in early access/waitlist. AGPL imposes restrictions on closed-source modifications, while a commercial license requires the Enterprise plan. Public information does not clearly specify payment methods, tax handling, local compliance certifications, or fine-grained permissions.

Best Fit and Access from China

BoxBilling is better suited to API platforms, cloud services, AI/SaaS companies, and other teams that need complex usage-based billing, wallets, and self-service billing portals. Its accessibility from China cannot be determined from the available text. If serving customers in China, teams should further evaluate network connectivity, foreign-currency payments, the availability of payment providers such as Stripe/Paddle, and whether Lago, Chargebee, Recurly, or a local billing system would be a better alternative.