What is Polar?

Polar is an open-source billing and Merchant of Record platform for developers, startups, and digital product businesses. It handles payments, subscriptions, usage-based billing, tax compliance, customer management, checkout, and automated product access.

Who should use Polar?

  • You are building SaaS, AI, or another digital product and need billing infrastructure.
  • You want a Merchant of Record to handle international tax compliance.
  • You need usage-based, subscription, seat-based, credit-based, or one-time pricing.
  • You want an API-first payment and billing system designed for developers.
  • You want automated delivery of benefits such as license keys, files, GitHub access, or Discord access.
  • You prefer an open-source billing platform.

Key Features of Polar

  • Merchant of Record
  • Global tax compliance
  • One-time purchases
  • Subscription billing
  • Usage-based billing
  • Seat-based pricing
  • Credits and prepaid balances
  • Fixed pricing
  • Pay-what-you-want pricing
  • Free products
  • Hosted checkout
  • Embedded checkout
  • Checkout API
  • Customer portal
  • Automated benefits and entitlements
  • License key delivery
  • Secure digital file delivery
  • GitHub repository access
  • Discord access
  • Usage metering
  • Webhooks
  • Billing and customer analytics
  • Cost and gross-margin insights
  • Sandbox environment

Integrations Supported by Polar

Next.jsBetter AuthLaravelDenoNuxtRemixFastifyHonoTanStack StartElysiaAstroExpressSvelteKitJavaScriptTypeScriptPythonGoPHPZapier

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