Supplement Tool writes professional insurance supplement letters, adjuster rebuttal letters, and restoration claims — in under a minute. Built for auto body shops and restoration contractors.
No card needed · 3 free letters · from $97/month after · Cancel anytime
Vehicle
Claim #
Insurance
Damage
$500–$3,000
Avg supplement recovered
60 sec
To generate a letter
33,000+
US body shops
Every denied supplement or low-ball approval costs your shop real money. Writing a professional rebuttal letter used to take hours — researching OEM procedures, citing I-CAR standards, formatting for each carrier. Now it takes 60 seconds.
Hours → 60 seconds
Stop spending your evening writing letters. Generate one in under a minute.
OEM & I-CAR citations
Every letter references the correct industry standards adjusters can't ignore.
One letter pays for 6 months
One approved supplement recovers $500–$3,000. The tool costs from $97/month.
Built for the shop floor — works on any phone, no app download needed.
Supplement Letters
Auto body supplement letters with line-item justification and OEM citations.
Rebuttal Letters
Fight adjuster denials with professional, evidence-backed rebuttal letters.
Restoration Claims
Water, fire, and mold restoration supplement letters for contractors.
Voice Input
Speak your damage description hands-free — perfect when your hands are dirty.
Photo AI Analysis
Upload damage photos and AI auto-fills the damage description for you.
Part & Labor Lookup
Search OEM part numbers and standard labor times without leaving the tool.
Email to Adjuster
Send the letter directly to the adjuster from inside the tool.
Mobile-First
Designed for iPhone and Android. No app needed — works in any browser.
PDF & Word Export
Download as PDF or Word doc for your records or to attach to claims.
Three steps. Under a minute.
Enter the claim details
Type or speak the vehicle info, damage description, and adjuster details. Or upload damage photos and let AI fill it in for you.
Pick your letter type
Choose from supplement, adjuster rebuttal, or restoration claim. Select the insurance company from 35+ pre-loaded carriers.
Copy, download, or email
Your professional letter is ready in under 60 seconds. Copy it, download as PDF or Word, or email directly to the adjuster.
Simple pricing
All plans start with 3 free letters — no card required.
All plans · 3 free letters · No card needed · Cancel anytime
The math is simple
The average approved supplement recovers $500 to $3,000. Supplement Tool costs from $97/month. One approved supplement pays for 6 months of the tool. The question isn't whether you can afford it — it's how many supplements you're leaving on the table every month without it.
Practical tactics for writing supplements that get approved.
Most supplement letters get denied not because the damage isn't real — but because the letter doesn't speak the adjuster's language. Here's the exact structure that works.
A denial isn't the end of the road. Here's the exact playbook for fighting a denied supplement — from writing a rebuttal letter to escalating to the state insurance commissioner.
Insurance companies deny ADAS calibration supplements more than almost any other line item. Here's the documentation strategy that gets them approved.
3 free letters, no card required. from $97/month after. Cancel anytime.
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