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Terms of Service

Last updated July 18, 2026

OpenPen is a beta writing service, Playground, API, and agent skill for producing drafts from prompts, public sources, and user-provided source material.

You are responsible for your account and API keys. Keep keys secret. We may revoke keys, limit usage, or suspend access when needed to protect OpenPen or other users.

You keep rights to your inputs and outputs. You are responsible for reviewing drafts before publishing and confirming that they are accurate, lawful, and appropriate for your use.

  • Do not use OpenPen to break the law or violate someone else's rights.
  • Do not submit malicious code, credentials, or material you are not allowed to use.
  • Do not probe, overload, scrape, resell, or abuse the service.
  • Do not use OpenPen to create deceptive, harmful, or fraudulent content.

OpenPen is still changing. Features, limits, pricing, routes, model behavior, and availability may change as the product develops.

OpenPen is provided as is. Drafts may contain errors, omissions, or unsupported claims, and the service may be interrupted.

To the maximum extent permitted by law, OpenPen is not liable for indirect, incidental, special, consequential, or lost-profit damages related to your use of the service.

Questions about these terms can be sent to hello@openpen.dev.