Terms of service
The deal between us.
Last updated: May 9, 2026. Plain English first; the formal sections follow. Questions: legal@twinflamegroup.com.
1. Who we are
Denial OS is operated by Twin Flame Group, Inc., a Delaware corporation headquartered in Sacramento, California ("we," "us," "TwinFlame"). By creating an account or using the service, the legal entity you represent ("you," "your practice") agrees to these terms.
2. What the service does
Denial OS helps independent provider practices identify, draft, and track insurance denial appeals. The service includes letter generation, payer playbooks, fax/mail submission, win-rate analytics, and integrations with Stripe, Supabase, Anthropic, Resend, and Phaxio.
3. Your account
You're responsible for keeping your credentials safe and for every action taken under your login. Tell us right away if you think your account is compromised — security@twinflamegroup.com.
4. Acceptable use
- You will not upload data you do not have legal authority to process.
- You will not use Denial OS to file knowingly false appeals.
- You will not attempt to reverse-engineer the service or extract another practice's data.
- You will comply with HIPAA, state privacy laws, and any applicable payer contract.
5. Fees and billing
Pricing is on the Pricing page. Fees are billed monthly in advance through Stripe. Success fees, when applicable, are billed against recovered amounts that you confirm in-app. Refunds are pro-rated on cancellation per the current Pricing page.
6. Data ownership
Your practice owns your data. We're a Business Associate under HIPAA. See the Privacy page and BAA template for the details.
7. Letter quality & outcomes
We make every reasonable effort to draft accurate, appeals-grade letters using Claude as the underlying model and a human-reviewable workflow. We do not guarantee any specific recovery outcome. You review and approve every letter before it is sent.
8. Service availability
We target 99.9% monthly uptime. Scheduled maintenance is announced in-app at least 24 hours in advance whenever possible.
9. Termination
You can cancel anytime in
Settings → Billing. We can suspend or terminate accounts for material breach of these terms, non-payment after 30 days, or activity that puts other practices' data at risk. On termination you can export your data for 30 days, then we purge.10. Liability
To the extent permitted by law, our aggregate liability under these terms is capped at the fees you paid us in the 12 months preceding the claim. We are not liable for indirect, incidental, or consequential damages.
11. Governing law
California law governs these terms. Disputes are resolved in the state or federal courts located in Sacramento County, California.
12. Changes
Material changes are announced in-app and emailed to account owners at least 14 days before they take effect.