Make your health insurance company cry too

Fight Health Insurance

Generate your healthcare claim appeal in minutes with AI. Free for everyone.

Generate an Appeal
Explain My Denial AI Chat How to Help Professionals
Free for everyone Featured in Forbes, CBS & more 50-state coverage 10,000+ appeals generated
Why Fight Health Insurance?
  • Private by default

    On-device OCR means you control how your medical info is shared.

  • Built for appeals

    In-house AI trained on proven appeals & peer-reviewed research.

  • Free and transparent

    Pay what you can. $0 is 🔥. No dark patterns or hidden fees.

  • Fax like the 80s

    Submit the appeal yourself for free or we can fax it for a small fee.

Pay what you want (optional)

Free for everyone and $0 totally fine. If we save you time or money and you want us to keep helping others then toss a few bucks our way.

How It Works
Upload denial letter

Snap a pic or use on-device OCR for privacy.

We draft appeals

AI creates multiple drafts you can edit.

You submit & fight back

Guidance + options. Free. Pay if it helps.

Lowering the appeal bar even more

Now your AI can talk to our AI. Connect Claude, ChatGPT or another AI assistant to Fight Health Insurance. It can look up your appeal rights, help in your state and our treatment guides, and help you start a free appeal from your chat. No sign-in.

Set up your AI assistant
Not ready to appeal yet? Start here.

Explore free tools that help you understand your denial — no commitment needed.

Understand Your Denial

Upload your denial letter and get a plain-English explanation of why your claim was denied and what your options are.

Explain my denial →
Find Your State Resources

Every state has agencies that help with insurance disputes. Find free help available in your state.

Browse state help →
Understand Your Policy

Upload your insurance policy or summary of benefits and get a plain-English breakdown of your coverage, limits, and rights.

Analyze my policy →
Learn the Process

Read guides on how to appeal, what to include, and tips from people who have successfully overturned denials.

Read the blog →
Hear From Our Users
"You are like the David in the David v Goliath story. I’m a fan of using AI to fight the injustices of the world."
— FHI User
"I didn’t know AI could write appeal letters. I’ve spent countless hours on the phone with insurance—only to get denied anyway. This tool is new to me, but it’s already saving time and giving me a real head start. I’m all in."
— Jessica Smith, RN.
"It saves time, gets more approvals—and pushes back against an intentionally adversarial system."
— Dr. Paul Abramson, MD
How to Overturn Your Denial

A step-by-step guide to fighting back — and where we help.

1
Gather your documents

Collect your denial letter, medical records, and supporting documentation.

2
Scan your denial letter

Use on-device or server-side OCR to extract the text.

3
Generate your appeal

Our AI drafts a comprehensive appeal letter. This is where we help the most.

4
Submit and follow up

Send it yourself for free, or let us fax it for you.