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Terms of Service

Last updated: August 20, 2026

1. Service Description

Sigil ("the Service") is a semantic context layer that stores business definitions so AI agents can query data from connected tools accurately. The Service provides context storage, semantic retrieval, and tools for defining business meaning (metrics, aliases, exclusions). Sigil does not connect to or access your CRM directly.

2. Account Terms

You must provide a valid email address to use the Service. You are responsible for maintaining the security of your account. One organization per account. You must be authorized by your organization to manage context definitions.

3. Data Ownership

You retain ownership of all context definitions and business rules stored in the Service. Sigil does not claim ownership of your content. Upon account deletion, all your data is permanently removed.

4. Acceptable Use

You agree not to:

  • Use the Service for any unlawful purpose
  • Reverse-engineer, decompile, or disassemble the Service
  • Attempt to gain unauthorized access to other users' data
  • Exceed reasonable API usage limits

5. Service Availability

The Service is provided "as is." We aim for high availability but do not guarantee specific uptime percentages.

6. Billing

Paid subscriptions are billed monthly through Paddle, which acts as the Merchant of Record and handles payment processing, invoicing, and tax compliance. See our Refund Policy for cancellation and refund terms.

7. Limitation of Liability

To the maximum extent permitted by law, Sigil's total liability is limited to the fees you paid in the 12 months preceding the claim. Sigil is not liable for indirect, incidental, or consequential damages.

8. Termination

You may cancel your subscription at any time from the billing page. Upon cancellation, access continues until the end of the current billing period. We may terminate your account for violation of these terms with 14 days written notice.

9. Changes to Terms

We may update these terms from time to time. We will notify you by email at least 30 days before material changes take effect.

10. Contact

Questions? Email lucas.fatas@gmail.com.