8 out of 10 medical bills contain errors. Most people just pay them. Billy scans your bills in seconds, finds the mistakes, and helps you fight back — so you keep more of your money.
No medical knowledge needed. No awkward phone calls. Just upload your bill and let Billy do the work.
The problem
Hospitals and insurance companies have entire departments to handle billing. You have... a confusing statement and a due date. It's not a fair fight. Until now.
80%
of medical bills contain errors or overcharges that go unnoticed
$2,300
average amount Americans overpay on medical bills each year
66%
of people avoid medical care because they fear the bill
How it works
Billy makes fighting unfair medical bills as easy as snapping a photo.
Snap a photo, upload a PDF, or paste the details. Billy reads it all — even the fine print.
In seconds, Billy flags errors, duplicate charges, and overpriced line items by comparing against fair-price databases.
Get an appeal letter, negotiation scripts, and a plain-English breakdown you can use to dispute charges with confidence.
See it in action
Here's what happens when you show Billy a real medical bill.
Duplicate charge detected
The "Facility Fee" overlaps with the ER visit charge — this is a common billing error
Price 340% above average
Lab work is billed at $890 — the fair price in your area is ~$205
Appeal letter ready
Billy drafted a dispute letter with fair-price data for your zip code
Your potential savings
$2,847
That's 39% off your original bill
Your AI advocate
Billy speaks fluent medical billing so you don't have to. Ask anything, anytime.
Billy
Online
You're right to question it. I found 2 issues: a likely duplicate facility fee and lab work priced 340% above average for your area.
You could save up to $2,847. Want me to draft an appeal letter?
Done! Your appeal letter cites specific fair-price data and billing codes. I also included a phone script in case they want to discuss it. You've got this.
Billy spots duplicate charges, upcoding, incorrect procedure codes, and billing mistakes that inflate your total.
Compares every line item against fair prices in your zip code so you can see exactly where you're being overcharged.
Billy translates confusing medical billing language into plain English so you actually understand what you're paying for.
Generates professional appeal letters and negotiation scripts backed by real data, so you can dispute charges with confidence.
Real stories
"I almost paid a $4,800 ER bill without thinking twice. Billy found a duplicate charge and got it reduced to $2,100. I literally saved $2,700 in ten minutes."
Sarah M.
Austin, TX
"My son broke his arm and the bill was terrifying. Billy showed me the lab work was priced 5x the fair rate. The hospital adjusted it after I sent the appeal letter Billy wrote."
Marcus T.
Denver, CO
"I'm a single mom and every dollar counts. Billy caught an out-of-network charge that should have been covered. Insurance reprocessed the claim and I saved $1,400."
Jessica L.
Chicago, IL
Why Billy
Your medical data is encrypted and never sold. Billy works for you, not advertisers or insurance companies.
No hidden fees or surprise charges (ironic, right?). Billy helps you save money without costing you a dime.
No waiting on hold. No scheduling calls. Upload your bill and get answers instantly, day or night.
Billy Saves helps you Save on Medical Bills. Stop overpaying. Start fighting back. It takes less than a minute to get started.
Start Saving Now — It's FreeNo credit card required. Takes 30 seconds.