Enter your storefront URL and we’ll run a fast catalog eligibility check.
Check your store
We’ll detect your platform and scan for FSA/HSA eligibility signals in seconds.
What a Letter of Medical Necessity does
What it is
A clinician’s note that makes a purchase FSA/HSA eligible for that customer.
Why it matters
Without one, most of what you sell can’t be bought with FSA/HSA dollars.
Why Burst
Burst gets the letter and handles the reimbursement. You change nothing.
How it works, in store and online
Watch the demo
Two short recordings of the live product on a sample Shopify store. No mockups, about a minute each.
The real request flow on a phone: a few questions, one fee, letter on the way.
But wait, there’s more

Burst Marketplace
ADD ON
For reaching FSA/HSA shoppers
Included
from Growth
Learn more
Listed on shop.getburst.com, where shoppers browse eligible brands
Featured placement on Hypergrowth and Enterprise
No extra fees

Shopify app
ADD ON
For Shopify stores
$0
/mo
Learn more
Post-purchase entry on your thank-you page
Works with Shopify and Shopify Plus
Order tagging for eligible purchases
Word on the street

—Pacagen, Burst merchant
reimbursed to shoppers through Burst
letters issued, same-day delivery
FAQs
What is Burst and how does it work?
How much does Burst cost?
Can I cancel or change my plan anytime?
Are there any additional fees?
How long does setup take?
Will this change my checkout or POS?
Is this allowed by the IRS?
Which FSA/HSA plans does it work with?
Free to start
Live today
Grows with you
No contracts. No setup fees. Cancel anytime.


