BillFighter

80% of medical bills have errors. Upload yours — we'll find them, write the dispute letter, and send it via USPS certified mail. You keep every dollar you win.

BillFighter is your AI-powered advocate against medical bills, collection notices, and insurance denials. Upload a bill or notice, and BillFighter analyzes it for errors, overcharges, and negotiation opportunities — then generates a legally-sound certified dispute letter and mails it directly to the provider via USPS certified mail. What BillFighter does:

Analyzes medical bills, collection notices, and insurance denials Identifies billing errors, duplicate charges, and inflated rates Generates personalized dispute, appeal, and complaint letters Sends certified mail directly to providers, collectors, and insurance companies Tracks responses and follows up automatically

Why BillFighter is different: We don't take a percentage of your savings. Ever. Fight back, win, and keep every dollar. Americans are overbilled billions of dollars every year. Most people pay without question because fighting back feels impossible. BillFighter makes it easy. Fight back. Win. Keep it all.

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