Polar

Open-source SaaS billing. Subscriptions, one-time charges, customer portal — friendly to indie devs.

Polar is an open-source alternative to Stripe focused on indie SaaS. Subscriptions, one-time charges, customer portal.

Full walkthrough being written.

When to pick

• You prefer open-source billing infrastructure.
• You want a developer-friendly alternative to Stripe.
• You’re indie / bootstrapped.

Setup

POLAR_API_KEY and POLAR_WEBHOOK_SECRET in vly secrets. Webhook URL: /api/polar-webhook.

Related

Stripe

Comparison.

LemonSqueezy

MoR alternative.

Subscription billing

Patterns.