Polar
Open-source merchant of record for developers. GitHub-native monetization, subscriptions, and funding — with full tax handling.
Overview
Polar is a merchant of record built for the developer ecosystem. It handles payments, tax, and compliance — but unlike Paddle or FastSpring, everything is designed around how developers actually work. GitHub integration, open-source monetization, subscriptions, one-time purchases, and sponsorship-style funding models, all through a platform that is itself open source (Apache 2.0).
Polar raised a $10M seed round in June 2025 led by Accel, with angel investors from Vercel (Guillermo Rauch), Supabase (Paul Copplestone), Shopify (Tobi Lütke), WorkOS, Raycast, and Framer. The company was founded by Birk Jernström, former Director of Product (Shop) at Shopify.
The platform’s pricing is 4% + $0.40 per transaction with no monthly fees — competitive with other MoR platforms and straightforward for indie developers to reason about.
Best For
Open-source maintainers, developer tool creators, and indie developers who want to monetize software through a platform that understands the developer workflow. Polar is the right choice when your audience is developers, your product lives on GitHub, and you want MoR coverage without adopting a platform designed for traditional SaaS.
Strengths
- Built for developers, by developers. GitHub integration, CLI tooling, and an API designed around developer workflows. This is not a SaaS billing tool repurposed for OSS — it’s purpose-built
- Open source itself. Apache 2.0 licensed, 5,300+ GitHub stars. You can inspect the codebase, contribute, or fork. No other MoR platform offers this transparency
- Full MoR coverage. Tax calculation, collection, and remittance handled globally. No registration, no filing — same model as Paddle or Dodo Payments
- Multiple monetization models. Subscriptions, one-time purchases, pay-what-you-want, and funding/sponsorship — covering the ways developers actually monetize
- Strong investor signal. Backed by the people building Vercel, Supabase, and Shopify. The investor list validates the thesis that developer-native monetization is a real category
- No monthly fees. 4% + $0.40 per transaction. Clean pricing that scales linearly
Trade-offs
- Niche by design. Polar is built for the developer ecosystem. If you’re selling a general SaaS product to non-developer buyers, Paddle or Dodo Payments are broader fits
- Younger platform. Launched v1.0 in September 2024. The feature set is growing fast but isn’t as deep as Paddle’s subscription management or Stripe’s API surface
- Smaller ecosystem. Fewer third-party integrations and a smaller support community than established platforms. You’re an early adopter
- Not designed for enterprise SaaS. Complex subscription logic, enterprise contracts, and sales-led billing workflows aren’t the focus. Polar is for indie and OSS-scale monetization
Ready to start?
Last updated: 2026-03-17