Affiliate Selling

Let Affiliates Sell Your Products on Substack

Give affiliate partners their own embedded store to sell your Shopify products directly on their Substack sites. Track every sale automatically.

5 min readUpdated December 2025

Why Affiliate Selling on Substack?

Your affiliates and partners already have audiences on Substack. Instead of giving them referral links that leak traffic, give them embedded stores that convert on the spot.

Substack sites are perfect for embedded affiliate shopping. Partners can feature your products where their audience already engages.

For Brands

  • Expand reach through partner sites
  • Track sales by affiliate automatically
  • Control product selection and branding
  • No complex affiliate software needed

For Affiliates

  • Simple copy-paste installation
  • Visitors buy without leaving their site
  • Higher conversion than referral links
  • Works on any Substack page

How to Set Up Affiliate Selling on Substack

1

Create a Widget for Your Affiliate

In PopupShop, create a new widget with products you want your affiliate to promote. Name it after the affiliate for easy tracking.

2

Share the Embed Code

Copy the widget code and send it to your affiliate partner. They'll add it to their Substack site using the Button Link (JavaScript restricted).

3

Affiliate Embeds on Their Site

Your affiliate adds the code to their Substack site. Their visitors can now browse and buy your products directly.

4

Track Sales by Affiliate

Each widget tracks its own sales in your Shopify dashboard. See exactly which affiliates drive the most revenue.

Substack-Specific Note

Your affiliates will add the widget using Substack's Button Link (JavaScript restricted). If they're not familiar with this, share our Substack integration guide with them.

Frequently Asked Questions

Start Your Affiliate Program Today

Create tracked widgets for your affiliates and let them sell on Substack. Free 7-day trial.

Try it now!