A Health Win: Trainwell Increases Trial Conversions by 20% by Accepting HSA/FSA Payments
Trainwell stands alone by offering affordable personalized workout plans 🏋🏻, one-on-one online training, and the option to pay with HSA and FSA.
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HSA/FSA for gyms & studios
Let members pay for fitness with HSA/FSA
Flex lets qualifying members use their HSA/FSA funds on memberships, classes and personal training, with the Letter of Medical Necessity handled inside your checkout.
- Letter of Medical Necessity issued during checkout
- Works with your existing checkout
- Paid out like any other card payment
Trusted by leading fitness brands
How it works
How members pay with HSA/FSA
Gym memberships need a Letter of Medical Necessity before they can be paid with HSA/FSA. Flex handles it inside your checkout, so your staff never touches it.
Get Started- 01
Choose HSA/FSA at checkout
Right next to card and wallet payments.
- 02
Take a short online consultation
A licensed provider reviews it and issues a Letter of Medical Necessity if the member qualifies.
- 03
Pay with their HSA/FSA card
You're paid out like any other card payment.
New members
Turn pre-tax health dollars into memberships
Millions of people have money set aside in an HSA or FSA, and many don't know it can go toward exercise prescribed for a medical condition. Showing HSA/FSA at checkout gives prospective members a new way to say yes.
- Reach people managing back pain, arthritis, weight or injury recovery
- Give price-sensitive prospects another way to pay
- Promote it in ads, emails and at the front desk
Compliance
Eligibility handled for you
Flex runs the qualification, the provider consultation and the documentation. Members get their Letter of Medical Necessity for their records, and your team never has to judge who qualifies.
- Licensed providers issue every Letter of Medical Necessity
- Built around IRS guidance for medical expenses
- No paperwork for your staff
Testimonials
What fitness brands say about Flex
See how health and wellness brands are unlocking new revenue with HSA/FSA through Flex.
View Case Studies“Flex empowers our customers to invest in fitness using their HSA/FSA funds.”
Michael Maas
Chief Sales Officer
“Flex improved our conversion rate and added trust at checkout.”
Raechelle Hoki
VP of Marketing
“Flex helps make cutting-edge fitness more affordable and accessible.”
Ulrich Dempfle
Co-founder
Get discovered
Get found by members looking to spend HSA/FSA funds
Every Flex partner gets a page on the Flex Marketplace, where shoppers browse gyms, studios and brands that accept HSA/FSA.
Get Started239
Gym & Studios brands on the Flex Marketplace.
1,000+
Brands across health and wellness accept HSA/FSA with Flex.
Transform checkout. Drive more revenue.
See what leading brands achieve by accepting HSA/FSA payments with Flex.
CONVERSION LIFT
+30%
More shoppers complete checkout with HSA/FSA
HIGHER AOV
+50%
Customers spend more using health benefit funds
FEWER RETURNS
-10%
Fewer returns when buyers use pre-tax dollars
REPEAT BUYERS
92%
Of customers said they'll return because of HSA/FSA
Integrations
Integrate with any checkout or payment system
Flex works with your existing checkout and payment systems, so you can start accepting HSA/FSA with ease.
Case studies
How Firefly Recovery Grew HSA/FSA Revenue 3.3x With Flex
Firefly Recovery partnered with Flex to make it easier for customers to use their HSA/FSA funds for training and travel recovery. Compared with its previous provider, the brand saw 3.3x the HSA/FSA revenue, 3.1x the HSA/FSA orders, and a 7% higher average order value.
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How Forme Helps Customers Improve Posture & Prevent Pain With Flex
Forme partnered with Flex to help customers recognize its posture-correcting apparel as a health solution and easily use HSA/FSA funds. Since launch, Forme has seen 18–20% higher AOV on Flex orders and over 1,000 repeat purchases.
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How Airdog improved their conversion rate by 20% integrating Flex
Within the first two months of launching Flex, Airdog saw a 20% lift in overall conversion rates, directly addressing the sales barrier that had been limiting growth. In addition, Average Order Value (AOV) increased by 10%, as customers were able to invest in higher-end models. Payments through Flex ultimately made up 10-15% of Airdog’s revenue.
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How AMMD by Amy Myers MD increased AOV by 2.5X with Flex
AMMD by Amy Myers MD, a supplements company, grew their Average Order Value (AOV) by by 2.5X when they started accepting HSA and FSA payments.
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How Dermstore Turned HSA/FSA Payments Into a Growth Channel With Flex
When Dermstore saw customers actively searching for ways to use HSA/FSA funds on skincare, it partnered with Flex to turn that demand into a seamless payment experience. The result: 43% higher AOV, 30% of Flex customers new to Dermstore, and HSA/FSA purchases contributing up to 22% of revenue during peak periods.
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Frequently Asked Questions
HSA/FSA for gyms & studios: FAQs
Find answers about accepting HSA and FSA payments, and how Flex helps grow your business.
Speak with a Flex expert
Start accepting HSA/FSA at your gym or studio
- See which memberships and services can be offered
- See how Flex looks in your checkout
- Go live without changing your stack