Your Insurance
Denied You.
We Help You Fight Back.
How it works
Three simple steps to fight your denial. No legal jargon, no waiting weeks.
Upload your denial
Drop your denial letter or EOB — PDF, image, or Word doc. Our AI extracts every detail automatically.
AI generates your appeal
In under 30 seconds, our AI writes a professional appeal letter citing your policy, medical necessity, and legal protections.
Submit and win
Download your letter, send it to your insurer, and track the outcome. Our data shows most appeals succeed.
Why patients choose ClaimFighter
We combine AI technology with real case data to give you the best chance at overturning your denial.
Instant appeal letters
Get a fully written, professional appeal letter in under 30 seconds. No templates — each letter is custom-generated for your specific denial.
Deep research follow-up
After your quick letter, our AI does hours of research — finding precedents, policy loopholes, and legal angles. Delivered to your email.
Earn credits by winning
Won your appeal? Upload the proof and earn a free credit. Your win helps our AI get smarter for the next patient.
Privacy-first
Your medical documents are encrypted and never shared. We only use them to generate your appeal — then you control the data.
Ready to fight your denial?
Join thousands of patients who've used ClaimFighter to overturn unfair insurance denials. Start with 2 free credits — no credit card required.
Get started free