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    Terms of Service

    Last updated: March 31, 2026

    1. Services

    FIVESIXTEN ("Company," "we," "us," or "our") provides Answer Engine Optimization (AEO) and Generative Engine Optimization (GEO) services, including AI Visibility Audits, monthly optimization retainers, competitive intelligence, and reputation monitoring. By engaging our services, you ("Client") agree to these Terms of Service. Services are delivered as described in individual service agreements or statements of work.

    2. Payment Terms

    Fees for services are specified in individual service agreements. For monthly retainers, payment is due in advance on the first day of each billing period. Invoices for project-based services are due within 14 days of issue. Late payments may incur interest at 1.5% per month. We reserve the right to suspend services for accounts more than 30 days past due.

    3. Intellectual Property

    All deliverables produced exclusively for Client (reports, audits, recommendations) are owned by Client upon full payment. General methodologies, frameworks, tools, and processes developed or used by FIVESIXTEN remain our intellectual property. Client grants FIVESIXTEN a non-exclusive license to access Client's website and digital assets solely to perform contracted services.

    4. Confidentiality

    Both parties agree to keep confidential all non-public business information received from the other party during the engagement. This obligation survives termination for two (2) years. Confidential information does not include information that is publicly known, independently developed, or disclosed pursuant to legal obligation.

    5. No Guarantees — AI Visibility

    FIVESIXTEN provides optimization services designed to improve the likelihood that AI platforms cite and recommend your business. We cannot guarantee specific AI citation positions, rankings, or responses. AI platforms generate answers dynamically using algorithms that change without notice. Any agency claiming guaranteed AI placements is making representations that cannot be fulfilled. We guarantee a rigorous, data-driven process aligned with published platform best practices.

    6. Limitation of Liability

    To the maximum extent permitted by applicable law, FIVESIXTEN's total liability for any claim arising from or related to these Terms or services shall not exceed the fees paid by Client in the three (3) months preceding the claim. In no event shall we be liable for indirect, incidental, special, consequential, or punitive damages, including loss of profits or business opportunity.

    7. Indemnification

    Client agrees to indemnify and hold FIVESIXTEN harmless from any claims, losses, or expenses (including reasonable attorneys' fees) arising from: (a) Client's breach of these Terms; (b) Client's violation of any third-party rights; or (c) inaccurate information provided by Client for use in services.

    8. Termination

    Either party may terminate monthly retainer services with 30 days' written notice. Termination does not relieve Client of payment obligations for services already rendered. Upon termination, all deliverables for which payment has been received will be provided to Client. FIVESIXTEN may immediately terminate services if Client violates these Terms or engages in illegal activity.

    9. Governing Law

    These Terms are governed by the laws of the Federative Republic of Brazil. Any disputes shall be resolved through binding arbitration in accordance with the rules of the Brazil-Canada Chamber of Commerce (CCBC) Arbitration Center, seated in São Paulo, SP. Nothing prevents either party from seeking injunctive relief in a court of competent jurisdiction in the district of São Paulo.

    10. Contact

    Questions about these Terms of Service should be directed to marketing@fivesixten.ai. FIVESIXTEN reserves the right to update these Terms at any time. Continued use of services following notice of changes constitutes acceptance of updated Terms.