Best Affiliate Software for Polar
Add affiliate tracking to your Polar-powered open-source or SaaS product. Seamless webhook integration and embedded dashboard.
What you get with Refgrow + Polar
Everything you need to run a professional affiliate program on top of Polar.
Polar Webhook Integration
Automatic tracking of Polar checkout and subscription events via webhooks.
Built for Developers
Polar is for developer tools and open-source. Refgrow matches that developer-friendly approach with a simple script tag and REST API.
Recurring Commission Tracking
Track subscription renewals and calculate recurring commissions automatically.
Flexible Commission Structures
Percentage or flat rate, per-product overrides, first-month or lifetime commissions.
Automated Payouts
PayPal and Wise integration for hassle-free affiliate payments.
Embedded Experience
Your affiliate dashboard lives inside your app, not on a separate domain.
Set up in 3 simple steps
Go from zero to a fully functional affiliate program in under 5 minutes.
Connect Polar to Refgrow
Create a project in Refgrow, add your Polar credentials, and configure the webhook endpoint in Polar settings.
Add the widget
One script tag to embed a full affiliate dashboard in your product.
<script src="https://scripts.refgrowcdn.com/latest.js"
data-project-id="YOUR_PROJECT_ID"></script>Grow your community
Invite your community members to become affiliates. Open-source contributors are often the best promoters.
How tracking works
Refgrow tracks Polar conversions through real-time webhooks:
Affiliate shares link
Referral cookie set on the visitor's browser.
Purchase via Polar checkout
Referral metadata attached to the Polar transaction.
Webhook sent to Refgrow
Polar notifies Refgrow of the completed transaction.
Attribution resolved
Affiliate credited with the commission.
Payout processed
Automatic or manual payouts to the affiliate.
Why SaaS founders choose Refgrow
Zero transaction fees
Flat pricing from $29/mo. No percentage of your revenue, ever.
Embedded in your product
Your affiliate dashboard lives inside your app. No external portals or separate logins.
5-minute setup
Connect your payment provider, add one script tag, and you are live.
Multi-provider support
Works with Stripe, Paddle, Lemon Squeezy, Polar, and Dodo Payments.
Automated payouts
Pay affiliates automatically via PayPal or Wise when thresholds are met.
Fraud protection
Built-in detection for self-referrals, duplicate conversions, and suspicious patterns.
Referral Exchange
Discover and recruit affiliates through our cross-promotion network.
20+ languages
Widget supports English, Spanish, French, German, Japanese, and many more.
Ready to grow with affiliates?
Start your 14-day free trial. No credit card required. Set up your Polar affiliate program in under 5 minutes.