Terms of Service

Kelven is the trading name of Kelven, a sole proprietorship based in the United States ("Kelven", "we", "us"). By creating an account or continuing to use the service you agree to these terms, which form an agreement between you and Kelven. These terms are governed by the laws of the United States. You can reach us at support@kelven.ai.

Kelven is an intelligence layer between you and AI models. It chooses a model for each request, applies your privacy rules before anything is sent, and keeps your memory and preferences with you rather than inside any one AI product.

Kelven sends requests to third-party AI providers on your behalf. Answers come from those models, and Kelven does not guarantee that an answer is accurate, complete or suitable for a particular purpose. Check anything consequential.

• You need an account to use Kelven, and you must give accurate sign-in details.
• You are responsible for what happens under your account, including anything an application you connect does with the access you grant it.
• You must be old enough to enter a contract where you live.
• You can sign out of every device, download your data, or erase your account at any time from Your account inside Kelven.

Don't use Kelven to:

• break the law, or infringe someone else's rights
• attack, overload or probe Kelven or the providers it reaches
• resell access, or route someone else's traffic through your account without telling us
• generate material that sexually exploits children, incites violence, or is designed to defraud or impersonate people
• circumvent the privacy, approval or rate controls built into the product

Kelven applies rate limits to protect the service. Sustained abuse can lead to suspension.

• Free, Pro and Power are monthly consumer plans. Each plan includes a monthly request allowance; when it runs out, Kelven pauses and offers you an upgrade until the next month begins.
• Upgrades take effect immediately. Cancellations and downgrades take effect at the end of the period you've already paid for — you keep access until then.
• Developer, API and MCP usage is billed on what you use.
• Enterprise agreements are billed annually. AI model usage is charged in addition to the platform fee and is not unlimited.
• Our order process is conducted by our online reseller Paddle.com. Paddle.com is the Merchant of Record for all our orders. Paddle provides all customer service inquiries and handles returns.
• Payment, billing, tax, cancellation and refund mechanics are also covered by Paddle's Buyer Terms at paddle.com/legal/checkout-buyer-terms.
• We don't see or store your card details.

What you write, upload and save stays yours. You grant Kelven only the permission it needs to run the service for you: to process a request, to apply your privacy rules, and to store the memory you asked it to keep. Kelven does not sell your content, and does not use it to train models.

When Kelven sends a request to a model provider, that provider's own terms apply to that request. Where a mode protects a value on your device, the provider receives a placeholder rather than the real thing. When you connect an application through the MCP gateway, you decide what it may read, and you can revoke it whenever you like.

Kelven lets you connect your own accounts with other services — by pasting an API key or an MCP server address — so it can read from them and, with your approval, act in them. When you do:

• You confirm you have the right to connect that account and to let Kelven use it on your behalf.
• Your keys are stored encrypted, are never shown again after saving, and are deleted when you remove the connection or erase your account.
• Kelven only ever reads from a connected service when you ask it to. Anything that creates, changes or deletes data in a connected service runs only after you review the exact request and approve it.
• The connected service's own terms and privacy policy apply to everything it receives. Kelven is not responsible for what that service does with data you choose to send it, or for actions you approve.
• You are responsible for the requests you approve. Kelven shows you the exact request before it runs; once you approve it, it is your instruction.
• If you use Kelven through a Team or Enterprise workspace, your organisation may restrict which services members can connect.

To the extent the law allows, Kelven is not liable for loss arising from a connected service — including actions taken with your credentials, changes you approved, or that service's own handling of your data.

This applies to every plan — Free, Pro, Power, Team and Enterprise. Kelven's privacy protection reduces what AI providers receive. It does not and cannot guarantee that every sensitive detail will be found. Detection relies on automated rules and on-device AI, and both can miss unusual wording, typos, images, attachments, context-dependent details or new formats.

• Privacy protection is a risk-reduction tool, not a guarantee, and not a substitute for your own judgement or your legal and professional duties.
• You remain responsible for what you choose to type, paste or upload. The safest practice is to leave out personal, confidential or regulated information that the task doesn't need.
• Where you are bound by confidentiality — for example as a lawyer, clinician, financial adviser or employer — you are responsible for deciding whether Kelven is appropriate for that information, including under laws such as HIPAA, GLBA or professional conduct rules.
• Kelven is not a certified data-loss-prevention system and is not a HIPAA business associate unless a signed written agreement says so.
• Protection instructions you or your organisation write are interpreted automatically and may be applied imperfectly. Check them with the Try it preview.
• If a detail is missed and reaches an AI provider, that provider's terms and retention apply to it. Kelven cannot recall data a provider has already received.
• To the extent the law allows, Kelven is not liable for loss arising from sensitive information that its protection did not detect, where you chose to include that information in a request.

If you believe protection failed, tell us at support@kelven.ai so we can improve it.

• The person or company that buys a Team or Enterprise plan (the 'customer') controls the workspace. Owners and admins can invite and remove members, set team privacy rules and protection instructions, add shared company AI accounts, and view usage reports showing counts, never message content.
• The customer is responsible for its members' use, for having authority to add them, and for making sure its privacy rules and instructions match its own obligations.
• Team privacy rules only ever add protection; members cannot weaken them. They are subject to the same limits described above.
• Shared company AI accounts are billed by the provider to the customer. The customer is responsible for that provider agreement.
• Team is $35 per person per month with a minimum of three seats. Enterprise is billed annually per seat under an order form, and a signed Master Services Agreement and Data Processing Agreement take precedence over these terms where they conflict.
• When a member leaves or is removed, their access to shared workspace resources ends. Their personal account and personal memory remain theirs.

Kelven is under active development. Features can change, and some capabilities described on this site are planned rather than available; where that is the case we say so. The service is provided as-is, without a warranty of uninterrupted availability, except where an Enterprise agreement says otherwise in writing.

To the extent the law allows, Kelven is not liable for indirect or consequential losses, or for lost profits or data. Our total liability for any claim is limited to what you paid for the service in the twelve months before the claim.

You can stop using Kelven and erase your account at any time. We can suspend or end an account that breaks these terms, or where we're required to. If we end your account without cause, we refund the unused part of a period you've paid for.

If we change these terms materially we'll say so in the product before the change takes effect. Questions go to support@kelven.ai.