Polar
Billing & PaymentsModern billing infrastructure and Merchant of Record for developers selling digital products, subscriptions, and software globally with automated tax compliance and benefit delivery.
Polar is an open-source (Apache 2.0) billing infrastructure and Merchant of Record platform for developers selling digital products and SaaS globally, charging 4% + 40 cents per transaction -- approximately 20% cheaper than competitors like Paddle and Lemon Squeezy. As a MoR, it handles all international tax compliance while providing automated benefit delivery including license keys, GitHub repository access, Discord roles, and file downloads, with TypeScript SDKs that integrate in as few as 6 lines of code. Popular among indie hackers and solo developers who value transparency and lower fees, though it is a younger platform (founded 2023) still expanding its feature set and third-party integrations.
Best for
Technical founders, indie hackers, and small developer teams selling digital products or SaaS who want transparent, affordable billing with excellent DX and no tax compliance headaches
Last updated: February 23, 2026
25/50
Overall Score
API Quality
8/10
GTM Relevance
17/20
Pricingpaid
Complexityhard
Learningeasy
Visit polar.sh →API Analysis
REST API
✓
Available
Webhooks
—
—
GraphQL
—
—
OAuth
—
—
stripe
Pricing
paid
4% + 40¢ per transaction, no monthly fees or minimums
Strengths & Weaknesses
Strengths
20% cheaper than competitors at 4% + 40¢ per transaction with no monthly minimums or hidden fees
Open-source (Apache 2.0) with full code transparency and no vendor lock-in
Exceptional developer experience with TypeScript SDK, API-first design, and 6-line integration
Automated entitlements for license keys, GitHub access, Discord roles, and file delivery
Handles global tax compliance as Merchant of Record across all jurisdictions
Weaknesses
Young platform (founded 2023) with less operational maturity than established competitors
Additional fees: +0.5% for subscriptions and +1.5% for international card payments
Limited third-party integrations and marketing tools compared to Lemon Squeezy or Paddle
Smaller support team and community compared to enterprise-grade alternatives like Stripe
Alternatives
Reviews
Links
FAQ
What is Polar?
Polar is an open-source (Apache 2.0) billing infrastructure and Merchant of Record platform for developers selling digital products and SaaS globally, charging 4% + 40 cents per transaction -- approximately 20% cheaper than competitors like Paddle and Lemon Squeezy. As a MoR, it handles all international tax compliance while providing automated benefit delivery including license keys, GitHub repository access, Discord roles, and file downloads, with TypeScript SDKs that integrate in as few as 6 lines of code. Popular among indie hackers and solo developers who value transparency and lower fees, though it is a younger platform (founded 2023) still expanding its feature set and third-party integrations.
Is Polar free?
Polar is a paid product. 4% + 40¢ per transaction, no monthly fees or minimums
What are Polar alternatives?
Popular alternatives to Polar include Stripe, Paddle, Lemon Squeezy, Gumroad, Freemius, Dodo Payments. Compare features, API quality, and pricing on GTM Tools.
Does Polar have an API?
Yes, Polar provides a REST API. API quality is rated GOOD. Documentation: https://docs.polar.sh/api/.
Who is Polar best for?
Technical founders, indie hackers, and small developer teams selling digital products or SaaS who want transparent, affordable billing with excellent DX and no tax compliance headaches