How to Add FSA/HSA Reimbursement to Your Shopify Store: Complete Integration Guide

Boost AOV, subscription retention, and loyalty by making your store FSA/HSA-friendly

If you're a health or wellness brand, chances are you sell products that qualify for FSA/HSA reimbursement — sunscreen, vitamins, fitness gear, diagnostic tools, supplements, and more. The challenge: customers rarely know they can use their pre-tax benefits for these products, and the reimbursement process is confusing enough to kill conversions.

That's where merchants have an opportunity. By surfacing FSA/HSA eligibility clearly and partnering with tools that handle reimbursement in the background, you unlock a new spending channel without disrupting your existing checkout flow.

Why FSA/HSA Matters for Merchants

• Americans collectively leave $4.5B in unused FSA dollars on the table each year.

• The average FSA/HSA shopper spends 20% more per order and shows higher loyalty when they can easily use benefits.

• For subscription-based brands, FSA/HSA enablement can reduce churn by 40%.

Most Shopify stores ignore this, which makes “being FSA-friendly” a major competitive differentiator.

What You'll Actually Need

The Essentials

• A Shopify store with health/wellness products that meet IRS §213(d) standards

• Awareness of which SKUs qualify (and whether they require a Letter of Medical Necessity)

• Willingness to clearly communicate eligibility to customers

Optional but Impactful

• Design skills for badges, banners, or collection pages

• Automated email/SMS flows for post-purchase education

• A partnership with Burst to automate reimbursement and LMN creation

The 4-Step Merchant Playbook

1. Identify Eligible Products – Build a clean catalog of what qualifies, what might qualify, and what doesn't.

2. Surface Eligibility Clearly – Badges, metafields, collections, and cart prep messages.

3. Integrate with Burst – A 10-minute install that works with all express checkout methods.

4. Educate Customers Automatically – Post-purchase, Burst does the heavy lifting so customers don't abandon the process.

Step 1: Identifying Eligible Products

Clear Wins

• First aid supplies (bandages, gauze, thermometers)

• Diagnostic tools (blood pressure monitors, glucose meters)

• Durable medical equipment (crutches, CPAP machines)

• Sunscreen (SPF ≥ 15)

• Compression socks (if marketed as medical-grade)

LMN-Required

• Reading glasses or blue-light glasses (sometimes with documentation)

• Supplements (vitamins, probiotics, adaptogens)

• Fitness programs, gym memberships, health apps

• Alternative therapies like massage or acupuncture devices

Merchant Tip: Burst maintains an automated eligibility engine so you don't have to parse IRS Publication 502. Sync your SKUs against it once and stay compliant.

Step 2: Making Eligibility Crystal Clear

Customers won't buy what they don't understand. The more obvious you make eligibility, the higher your conversion.

Best Practices for Shopify Merchants:

1. Product Badges – Add a metafield or product tag surfaced on PDPs and in collections (“FSA/HSA Eligible”).

2. Dedicated Collection Pages – Group eligible products under a “Shop with FSA/HSA” tab.

3. Cart/Checkout Messaging – For Shopify Plus, use extensions to flag eligibility directly in cart and checkout. For Shopify Grow, use banners or cart notes on the prep page.

4. FAQ Section – Keep it simple: “How do I get reimbursed?” “What products are covered?”

Case Example: A supplements brand added eligibility badges and a collection page and saw 15% higher click-through rates on FSA-tagged products.

Merchant Tip: Position Burst as a value-add in your customer comms. Example: “Use your FSA/HSA dollars here — reimbursement is automatic with Burst.”

Step 3: Integrating with Burst

Here's where the complexity disappears:

• 10-minute install via Shopify App Store

• Compatible with all express checkouts — Shop Pay, Apple Pay, PayPal, Klarna

• Works for subscriptions by default

• Handles automatic reimbursements post-purchase (no manual forms)

• Issues instant LMNs (<5 hrs) when products require a doctor's note

• Provides audit-ready compliance for IRS §213(d)

Results merchants typically see:

• 30% lift in AOV (customers add more FSA-eligible products per cart)

• 40% higher subscription retention (memberships stay active longer when reimbursed)

• Reduced CX workload (fewer questions about reimbursement or eligibility)

Step 4: Educating Customers Without Doing All the Work

Education builds trust. But you don't need to reinvent it.

With Burst:

• Post-purchase emails automatically confirm eligibility and explain reimbursement

• Customers connect benefits accounts once and claims are filed automatically

• LMNs are generated and attached to claims without requiring a doctor visit

Merchant Tip: Position Burst as a value-add in your customer comms. Example: “Use your FSA/HSA dollars here — reimbursement is automatic with Burst.”

Seasonal Campaign Opportunities

FSA/HSA spend is highly seasonal. Smart merchants align marketing to deadlines:

• Nov–Dec (Open Enrollment): Customers think about benefit usage. Great time to highlight eligibility.

• Jan–Mar (New Year + Tax Season): Shoppers set health goals and realize they left money unused last year.

• Dec (Use-it-or-Lose-it): Panic spending before FSA balances expire drives a 30%+ lift in eligible product sales.

Merchant Tip: Use Klaviyo/SMS campaigns with urgency messaging: “Don't let your FSA dollars expire — stock up today.”

Common Pitfalls (and How to Avoid Them)

Mistake 1: Being vague about eligibility

• Customers want clarity. Instead of “may qualify,” say “SPF 30+ sunscreen is FSA-eligible.”

Mistake 2: Forcing alternative checkout flows

• Redirecting away from Shop Pay or subscriptions kills conversion. Burst works post-purchase, so you don't have to.

Mistake 3: Ignoring LMN products

• Many of the highest-margin products (supplements, programs) require an LMN. Burst handles these instantly so you don't leave money on the table.

Tracking Success

Customer Signals:

• Higher AOV on carts with eligible products

• More reviews or emails mentioning FSA/HSA

• Repeat customers returning for reimbursable products

Merchant Metrics:

• Lift in eligible SKU sales

• Improved subscription retention rates

• Higher CTR on FSA/HSA-tagged collections and emails

Timeline Reality:

• Month 1: Expect more customer questions and modest uplift

• 3–6 months: Repeat buyers emerge after successful reimbursements

• 6+ months: Your brand becomes known as an “FSA-friendly store” in your category

Why This Matters for Your Brand

Most wellness stores compete on ad spend and product differentiation. FSA/HSA enablement adds a new financial unlock: letting customers spend pre-tax dollars without friction.

Burst turns that into a growth channel:

• Consumers save money automatically

• Merchants see higher AOV and retention

• Compliance stays bulletproof

Next Steps for Merchants

1. Audit your catalog – Separate eligible, conditional, and LMN-required SKUs.

2. Install the Burst app – 10-minute setup, no disruption to checkout.

3. Badge products & build a collection page – Make eligibility visible.

4. Enable post-purchase flows – Let Burst handle reimbursements and LMNs.

5. Run seasonal campaigns – Capitalize on open enrollment and use-it-or-lose-it season.

The earlier you establish your store as FSA/HSA-friendly, the faster you lock in loyalty and repeat spend from a fast-growing segment.

References

[1] Flex. "HSA/FSA Trends and Shopify Store Growth." Flex Blog, 2025.
[2] Burst. "Boost sales with friction-free FSA/HSA checkout." getburst.com