Polar

Free Tier, PaidPayment Processing

Open-source billing & subscription platform for digital goods and SaaS.

Founded by: Birk Jernströmin 2022

Use Polar to sell digital products, subscriptions, or community memberships with a developer-first API and dashboard. It handles billing, tax compliance, checkout, customer portal, webhooks, and usage tracking. Perfect for indie devs, creators, and startups who want to monetize their projects without building payment infrastructure from scratch.

Use Cases

Selling digital downloads, templates, or assets

Monetizing open-source via sponsorship tiers

Offering premium Discord/GitHub access via subscription

Enabling SaaS sign‑ups with vaulted billing

Billing for usage-based APIs or AI models

Providing customer self‑service portals

Integrations

Laravel, OAuth and Webhooks, MCP SDK for AI tool integration

Standout Features

Open-source core with hosted service option

Built‑in Merchant of Record for global tax/compliance

Checkout API with embeddable forms and links

OAuth + webhooks for custom integration

Entitlements engine for access control

AI SDK (MCP) for tool integration

Who is it for?

Indie Developer, Startup Founder, Creator, Software Engineer

Tasks it helps with

Create checkout links and embed payment forms

Manage subscriptions, one‑time purchases, and discounts

Handle taxes, VAT, and invoices globally

Provide customer portal for subscriptions and payment methods

Send webhook events for billing and usage actions

Support usage‑based billing and feature flag entitlements

Overall Web Sentiment

People love it

Time to value

Quick Setup (< 1 hour)

Reviews

Compare

Payable

Payable

Stripe

Stripe

Wise (formerly TransferWise)

Wise (formerly TransferWise)

Yottapay

Yottapay

PayPal

Square

Square

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