How to Start an Affiliate Program on Shopify

If you run a Shopify store and you want more sales without spending more on ads upfront, an affiliate program is one of the most cost-effective ways to grow because you only pay when someone actually drives a sale.

The problem is that most store owners don't know where to start, so they either set it up wrong or never launch at all.

This guide walks you through the whole process in plain language, in the order you should actually do it.

What an affiliate program actually is

An affiliate program lets other people promote your products in exchange for a commission on the sales they bring in.

In simple terms:

• You give an affiliate a unique link
• They share that link with their audience
• When someone buys through it, the affiliate earns a percentage of the sale

It's performance based, which means you don't pay for clicks or impressions. You pay for results. That's what makes it appealing for smaller stores that can't burn money on ads.

Step 1: Decide if you're actually ready

Before you launch anything, be honest about whether your store is ready for affiliates.

You're probably ready if:

• You have at least a few products people already buy
• Your store converts reasonably well (people who visit do sometimes purchase)
• You have enough margin to pay out a commission and still make a profit

You might want to wait if:

• Your store is brand new with no sales history
• Your margins are so thin that any commission wipes out your profit
• Your product pages or checkout still need work

Step 2: Choose your commission structure

This is the decision that affects everything else, so don't rush it.

The most common commission structures are:

• Percentage of sale; the affiliate earns a set percentage of each order. This is the most popular because it scales with order size.

• Flat rate; the affiliate earns a fixed amount per sale, no matter the order value. It’s simple, but it can hurt you on small orders.

• Tiered commissions; affiliates earn higher rates as they sell more, so this rewards your best performers and keeps them motivated.

For most Shopify stores, a percentage commission between 10% and 20% is a sensible starting point but where you land should depend on your margins.

A quick way to think about it:

• High margin products (like digital goods or apparel) can support higher commissions
• Low margin products (like electronics or anything with heavy shipping costs) need lower rates

One thing people forget to do is to decide whether they want their commissions calculated before or after tax and VAT.

Paying commission on the tax portion means you're paying out money you never actually kept.

Most stores calculate commission on the product subtotal, not the full amount the customer paid. (In Affilitrak, tax and shipping inclusion is a per-program toggle — see the Settings guide.)

The Programs guide covers how to model flat percentages, fixed amounts, per-product/collection rules, and tiered ladders inside Affilitrak.

Step 3: Set your cookie duration and attribution rules

When someone clicks an affiliate link, a tracking cookie decides how long that affiliate stays credited for the sale.

A few things to settle here:

• Cookie duration; how long after a click the affiliate still earns commission (30 days is a common, balanced choice for most stores).

• Attribution model; if a customer clicks more than one affiliate link, who gets paid.

If you sell cheaper, impulse-buy products, a shorter window is fine. If your products take longer to decide on, a longer cookie gives your affiliates a fairer shot at getting credited.

For a deeper look at how cookie duration actually affects earnings (cross-device clicks, last-click attribution, products with long decision cycles), see Affiliate cookie duration explained.

Step 4: Set up the program on your store

To get started, you'll need affiliate software, because trying to track links, sales, and payouts manually with a spreadsheet falls apart fast.

A good affiliate tool handles:

• Generating unique tracking links for each affiliate
• Recording clicks and sales automatically
• Calculating commissions based on your rules
• Giving affiliates a dashboard to see their own performance

This is exactly what Affilitrak is built for.

You install it on your Shopify store, set your commission rules, and it tracks everything for you.

If you get stuck on any part of the setup, the Quick start guide covers it step by step, and the wider Help Center goes deeper on programs, payouts, and tracking.

Step 5: Create your affiliate portal

Your affiliates need a place to sign up, grab their links, and check their earnings.

This is the affiliate portal.

A good portal should:

• Let affiliates register and log in easily
• Show their links, clicks, sales, and commissions clearly
• Look like it belongs to your brand, not a random third party

You can run the portal on a branded subdomain (something like affiliates.yourstore.com) so it feels like part of your store.

This usually involves pointing a CNAME record from your domain registrar and setting up SSL so the page loads securely.

It sounds technical, but it's a one-time setup and the Affilitrak support team will walk you through it for common registrars.

The reason why this is important is that the branded portal builds more trust than a generic registration link and affiliates will take your program more seriously when it looks professional.

Branding, custom domains, registration form fields, and the rest of the portal experience are configured from the Settings guide and the Affiliate portal guide.

Step 6: Recruit your first affiliates

Good places to start are:

• Your existing customers; people who already love your product are your best affiliates.

• Your email list and social followers; because they already know your brand.

• Creators in your niche; bloggers, YouTubers, and Instagram accounts whose audience matches your product.

• Affilitrak marketplace; you can get some of the best affiliates in your niche on our dedicated affiliate marketplace to start promoting your products.

When you reach out, keep the message short and personal.

Explain what your product is, what the commission is, and why it's a good fit for their audience.

PS: Your first ten affiliates matter more than the next hundred. Pick people whose audience genuinely overlaps with your customers, not just anyone with a big following.

For day-to-day recruiting, vetting, and assigning affiliates to the right tier, the Affiliate management guide covers the full workflow.

Step 7: Support your affiliates after they join

Most programs fail here.

Stores think they can recruit affiliates and just go silent. But that just leads to the affiliates forgetting the program even exists.

To keep them active:

• Give them ready-made content like banners, product photos, and sample posts
• Check in occasionally with new products or seasonal promotions
• Pay on time, every time, because nothing kills a program faster than late payouts
• Reward your top performers, which is where tiered commissions become useful

An affiliate who makes one easy sale and gets paid quickly is far more likely to keep promoting you.

For payout timing, PayPal setup, and external payout records, see the Payouts guide. The Payouts FAQ answers the more common one-off questions (which payment methods are supported, what to do for affiliates outside PayPal regions, etc.).

Common mistakes to avoid

A few things that trip up store owners early:

• Setting commissions too high and losing money on every sale
• Setting them too low so no serious affiliate bothers
• Launching with no program page and no way to track sales
• Recruiting anyone instead of the right people
• Ignoring affiliates once they've signed up
• Forgetting to decide on tax and attribution rules before launch

Fixing even one or two of these puts you ahead of most beginner programs. (Full breakdown: Top 10 mistakes when starting an affiliate program.)

Conclusion

Starting an affiliate program on Shopify isn't complicated, but it does reward doing things in the right order.

Get your store converting, pick a commission structure you can afford, set up proper tracking, and recruit people who actually fit your brand.

The stores that succeed with affiliates treat it like a real channel, not a set-and-forget feature.

Launch it properly, support your affiliates, and pay them on time, and it can become one of your most reliable sources of sales.

When you're ready to set it up, you can start free with Affilitrak and have tracking, commissions, and your affiliate portal running without any of the manual work.

Keep reading

• Affiliate cookie duration explained — the tracking-window decision in more depth.
• Top 10 mistakes when starting an affiliate program — what to watch for after launch.
• Affiliate marketing glossary — quick definitions for any terms above.
• Affilitrak quick start — the in-app version of this guide, in 5 steps.