Terms of Service
Last Updated: March 3, 2026
1. Acceptance of Terms
By accessing or using the Lunar platform ("Service"), operated by QuantumLoop Labs LLC ("Lunar," "we," "us," or "our"), you ("User," "you," or "your") agree to be bound by these Terms of Service ("Terms"). If you do not agree to these Terms, you may not access or use the Service.
By creating an account, uploading documents, or otherwise using the Service, you represent that you have the legal authority to enter into these Terms on behalf of yourself or the organization you represent. If you are using the Service on behalf of an accounting firm, business, or other entity, you represent that you have the authority to bind that entity to these Terms.
2. Description of Service
Lunar is an AI-powered tax document processing platform designed for accounting firms and tax professionals. The Service provides:
- Automated extraction of data from tax documents, including but not limited to W-2s, 1099s, K-1s, and other IRS forms
- Confidence-scored field extraction with human review workflows for uncertain values
- Secure document storage and management with bank-grade encryption
- Data review, verification, and correction interfaces
- Export capabilities to major tax preparation software platforms, including UltraTax, Drake, and Lacerte
- Firm and team management features, including role-based access controls
- Audit trail and compliance reporting tools
We may update, modify, or discontinue features of the Service at any time. We will make reasonable efforts to notify you of material changes to core functionality.
3. Account Registration
To use the Service, you must create an account and provide accurate, complete, and current information during the registration process. You agree to:
- Provide truthful and accurate registration information, including your name, email address, firm name, and professional credentials
- Maintain the accuracy of your account information and update it promptly if it changes
- Keep your login credentials confidential and not share them with unauthorized individuals
- Use strong, unique passwords and enable multi-factor authentication (MFA) when available
- Notify us immediately at support@lunar.tax if you suspect unauthorized access to your account
- Accept responsibility for all activity that occurs under your account
We reserve the right to suspend or terminate accounts that contain false or misleading registration information, or that we reasonably believe have been compromised.
4. Acceptable Use
You may use the Service only for lawful purposes and in accordance with these Terms. Specifically, you agree that you will:
- Use the Service only for legitimate tax document processing and related professional activities
- Ensure that you have proper authorization to upload and process any documents submitted to the Service
- Comply with all applicable federal, state, and local laws and regulations, including tax and privacy laws
You agree that you will not:
- Reverse engineer, decompile, disassemble, or otherwise attempt to derive the source code or underlying algorithms of the Service
- Attempt to gain unauthorized access to any part of the Service, other users' accounts, or any systems or networks connected to the Service
- Use the Service to process documents for which you do not have lawful authorization
- Upload malicious files, viruses, or any code designed to disrupt, damage, or interfere with the Service
- Use automated scripts, bots, or scrapers to access the Service except through our published APIs
- Circumvent, disable, or interfere with any security features of the Service
- Resell, sublicense, or provide access to the Service to third parties without our written consent
- Use the Service in any manner that could damage, overburden, or impair our infrastructure
- Misrepresent your identity or affiliation with any person or organization
5. Intellectual Property
The Service, including all software, algorithms, AI models, user interfaces, designs, text, graphics, logos, and documentation, is the exclusive property of QuantumLoop Labs LLC and is protected by copyright, trademark, trade secret, and other intellectual property laws.
We grant you a limited, non-exclusive, non-transferable, revocable license to access and use the Service in accordance with these Terms for the duration of your subscription.
You retain full ownership of all documents, data, and information you upload to or create within the Service ("User Content"). By using the Service, you grant us a limited license to process, store, and transmit your User Content solely for the purpose of providing the Service to you. We will not use your User Content for any other purpose, including training AI models, without your explicit consent.
Any feedback, suggestions, or improvement ideas you provide to us regarding the Service may be used by us without obligation or compensation to you.
6. User Data and Privacy
Your privacy is important to us. Our collection and use of personal information is governed by our Privacy Policy, which is incorporated into these Terms by reference.
Given the sensitive nature of tax documents and financial data processed through the Service, you acknowledge and agree that:
- You are responsible for obtaining all necessary authorizations and consents from your clients, taxpayers, or other data subjects before uploading their documents or personal information to the Service
- You will comply with all applicable data protection laws and regulations, including but not limited to IRS Publication 4557 (Safeguarding Taxpayer Data) and relevant state privacy laws
- You will not upload documents containing personally identifiable information (PII) of individuals unless you have a lawful basis and proper authorization to do so
- You are responsible for the accuracy and legality of any data you upload or input into the Service
We implement industry-standard security measures to protect your data, including AES-256-GCM encryption, per-firm encryption keys, and row-level database isolation. For more details on our security practices, please visit our Security page.
7. Service Availability
We strive to maintain high availability of the Service and will use commercially reasonable efforts to ensure uptime. However, we do not guarantee uninterrupted, error-free, or 100% available access to the Service.
The Service may be temporarily unavailable due to:
- Scheduled maintenance, which we will endeavor to announce in advance via email or in-app notifications
- Emergency maintenance required to address security vulnerabilities or critical issues
- Factors beyond our reasonable control, including internet outages, natural disasters, or third-party service disruptions
We will make reasonable efforts to minimize planned downtime and to schedule maintenance during off-peak hours. We are not liable for any loss or damage resulting from Service unavailability.
8. Fees and Payment
Access to the Service requires a paid subscription. By subscribing, you agree to the following:
- Subscription Plans: Pricing, features, and usage limits are as described on our Pricing page at the time of purchase. We reserve the right to change pricing upon reasonable notice.
- Billing: Subscription fees are billed in advance on a monthly or annual basis, depending on the plan you select. Annual plans are billed as a single payment at the start of the billing period.
- Payment Methods: You must provide a valid payment method. You authorize us to charge your payment method for all fees due under your subscription.
- Price Changes: We may adjust subscription pricing with at least 30 days' written notice. Price changes will take effect at the start of your next billing cycle following the notice period.
- Late Payments: If payment fails or is overdue, we may suspend access to the Service until the balance is resolved. We reserve the right to charge reasonable late fees on overdue amounts.
- Refunds: Annual subscriptions may be eligible for a prorated refund if canceled within the first 30 days. Monthly subscriptions are non-refundable. Refund requests should be directed to support@lunar.tax.
- Taxes: Subscription fees are exclusive of applicable sales tax, use tax, VAT, or other government-imposed charges. You are responsible for paying any such taxes.
9. Disclaimers
THE SERVICE IS PROVIDED ON AN "AS IS" AND "AS AVAILABLE" BASIS, WITHOUT WARRANTIES OF ANY KIND, WHETHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE. TO THE FULLEST EXTENT PERMITTED BY LAW, WE DISCLAIM ALL WARRANTIES, INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT, AND ACCURACY.
Without limiting the foregoing, we specifically disclaim any warranty or guarantee that:
- The AI-powered extraction results will be 100% accurate, complete, or error-free. You are solely responsible for reviewing all extracted data before relying on it for tax preparation, filing, or any other purpose.
- The Service will meet all of your specific requirements or expectations
- The Service will be compatible with all document types, formats, or conditions
- Any errors or defects in the Service will be corrected within a specific timeframe
The Service is a tool to assist qualified tax professionals and is not a substitute for professional judgment, expertise, or due diligence. You acknowledge that tax document processing involves sensitive financial data and that human verification of AI-extracted data is an essential part of a responsible workflow. Lunar does not provide tax advice, legal advice, or accounting services.
10. Limitation of Liability
TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, IN NO EVENT SHALL QUANTUMLOOP LABS LLC, ITS OFFICERS, DIRECTORS, EMPLOYEES, AGENTS, OR AFFILIATES BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, OR PUNITIVE DAMAGES, INCLUDING BUT NOT LIMITED TO LOSS OF PROFITS, REVENUE, DATA, BUSINESS OPPORTUNITIES, OR GOODWILL, ARISING OUT OF OR IN CONNECTION WITH YOUR USE OF OR INABILITY TO USE THE SERVICE, REGARDLESS OF THE CAUSE OF ACTION OR THEORY OF LIABILITY.
TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, OUR TOTAL AGGREGATE LIABILITY TO YOU FOR ALL CLAIMS ARISING OUT OF OR RELATING TO THESE TERMS OR THE SERVICE SHALL NOT EXCEED THE TOTAL AMOUNT YOU HAVE PAID TO US IN THE TWELVE (12) MONTHS IMMEDIATELY PRECEDING THE EVENT GIVING RISE TO THE CLAIM.
These limitations apply regardless of whether we have been advised of the possibility of such damages and regardless of whether any remedy fails of its essential purpose.
11. Indemnification
You agree to indemnify, defend, and hold harmless QuantumLoop Labs LLC and its officers, directors, employees, agents, and affiliates from and against any and all claims, liabilities, damages, losses, costs, and expenses (including reasonable attorneys' fees) arising out of or related to:
- Your use of the Service or any activity under your account
- Your violation of these Terms or any applicable law or regulation
- Your upload or processing of documents without proper authorization
- Any claim by a third party (including your clients or their taxpayers) related to data you processed through the Service
- Your failure to comply with applicable data protection, privacy, or tax regulations
- Any inaccuracy in tax filings resulting from your use of or reliance on the Service without appropriate professional review
12. Termination
Either party may terminate this agreement as follows:
- Termination by You: You may cancel your subscription at any time through your account settings or by contacting support@lunar.tax. Cancellation will take effect at the end of your current billing period.
- Termination by Us: We may suspend or terminate your access to the Service immediately if you materially breach these Terms, engage in prohibited conduct, fail to pay fees when due, or if we are required to do so by law. We may also terminate your account with 30 days' written notice for any reason.
Upon termination:
- You will have a 30-day data export period following termination to download your documents and extracted data from the Service. We will provide export tools to facilitate this process.
- After the 30-day export period, we will delete your data from our active systems in accordance with our data retention policies, except as required by law or as necessary to resolve disputes.
- Any provisions of these Terms that by their nature should survive termination will remain in effect, including Sections 5, 9, 10, 11, and 13.
13. Governing Law
These Terms shall be governed by and construed in accordance with the laws of the State of Delaware, without regard to its conflict of law provisions. Any legal action or proceeding arising under these Terms shall be brought exclusively in the state or federal courts located in the State of Delaware, and you consent to the personal jurisdiction of such courts.
14. Changes to Terms
We reserve the right to modify these Terms at any time. When we make changes, we will:
- Update the "Last Updated" date at the top of this page
- Send an email notification to the address associated with your account at least 15 days before material changes take effect
- Display a prominent notice within the Service for material changes
Your continued use of the Service after the effective date of any changes constitutes your acceptance of the updated Terms. If you do not agree to the revised Terms, you must stop using the Service and cancel your subscription before the changes take effect.
15. Contact Us
If you have questions, concerns, or feedback about these Terms of Service, please contact us:
- Email: support@lunar.tax
- Website: lunar.tax/contact
QuantumLoop Labs LLC
United States