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Terms of Service

Terms governing access to and use of the Deputise platform.

Terms of Service

Deputise Ltd

Effective date: 30 August 2026

Last updated: 17 October 2026

1. Introduction

These terms govern your use of our website, the Deputise web and mobile apps, our API and MCP server, and everything else we provide with them (together, the "Service"). The Service is provided by Deputise Ltd, a company registered in England and Wales with company number 17082681 and registered address at 71-75 Shelton Street, Covent Garden, London, WC2H 9JQ ("Deputise", "we", "us").

By creating an account or using the Service you agree to these terms. If you do not agree, do not use the Service. If you use the Service on behalf of an organisation, you confirm that you have authority to bind it.

These terms incorporate our acceptable use policy, privacy policy, cookie policy and, where it applies, our data processing agreement.

We may change these terms. If a change reduces your rights or adds to your obligations, we will tell you by email or through the Service at least 30 days before it takes effect, and you may cancel any subscription and close your account before then without charge. Continuing to use the Service after a change takes effect means you accept it.

2. The Service

Deputise lets a person (an "owner") create an AI assistant (an "assistant") and share it privately with people they choose. An assistant answers questions within the scope its owner gives it. When the person asking wants a human, the assistant passes the question to the owner, who can then read the conversation and reply.

Assistants are not listed or searchable. A person reaches an assistant only when its owner invites them by email.

Assistants produce their answers with AI models from the third-party providers named on our sub-processors page. We provide the platform; we do not write, check or approve what any assistant says. We give no guarantee that an assistant's answers are accurate, complete or suitable for any purpose.

Every chat shows a notice that you are talking to an AI assistant that can make mistakes, and every invitation says that what is being shared is an AI assistant. An owner's reply to an escalated question is shown as a message from that owner, including when the owner wrote it through a connected AI agent (section 10).

3. Eligibility and accounts

3.1 Age

You must be at least 18, or the age of majority where you live if that is higher, to use the Service. We do not verify age at sign-up; by using the Service you confirm that you meet this requirement. If we learn that an account holder is under 18 we will close the account and delete its personal data as described in our privacy policy.

3.2 Your account

You sign in with a link we email to you, or with Google where that option is offered. There is no password. You agree to:

  • Give accurate information when you register and keep it up to date
  • Keep control of the email account you sign in with
  • Tell us at support@deputise.ai if you believe someone else has used your account

You are responsible for everything done through your account, including by an AI agent you have connected to it. One person may hold only one account unless we agree otherwise in writing.

4. Acceptable use

You must follow our acceptable use policy. It lists what you may not do with the Service or with an assistant, including unlawful content, harassment, impersonation, pretending an assistant is a human, giving regulated professional advice without the required qualifications, breaking data protection law, bypassing security or credit limits, and any practice the EU AI Act prohibits. Where these terms and that policy differ on what is allowed, the policy prevails.

Owners are responsible for their assistants complying with the law that applies to them, including data protection, consumer protection and the EU AI Act. We do not review assistants for legal compliance.

5. Owners

5.1 Sharing an assistant

You may share an assistant by inviting named people by email. By doing so you confirm that:

  • You have the rights you need to the instructions, facts and other material you give the assistant
  • The assistant does not infringe anyone's rights or break the law
  • What you tell the people you invite about the assistant is accurate

5.2 Your responsibilities

You are responsible for what your assistants say and do. You must answer the questions they escalate to you, review the conversations those questions came from, and change an assistant's configuration when it gets something wrong. People you invite can see your name and email address, and once a conversation has escalated a question to you, you can read the whole of that conversation.

Do not put into an assistant's instructions or facts any personal data about other people that you have no right to share, or any secret you would not want the people you invite to learn, since an assistant may repeat what it holds.

5.3 Review, reports and enforcement

We may, but are not obliged to, review, restrict or remove any assistant or content that we reasonably believe breaks these terms, our acceptable use policy or the law, or that puts people or the Service at risk.

Anyone who took part in a conversation may report an assistant's answer from the conversation itself, and an owner may report an answer in a conversation escalated to them. Anyone, with or without an account, may report content or behaviour by writing to safety@deputise.ai. A report must be made in good faith and say what the reporter believes is wrong. A report made from a conversation locks that conversation and cannot be withdrawn.

A member of our staff reads each report, together with the reported answer and the messages around it, and records a decision. A report is upheld where we consider the answer breaks these terms, our policies or the law, and otherwise dismissed. We do not use automated systems to classify content or to decide reports. A decision records our view of the answer at the time; it is not a finding about anyone's legal liability and we may revisit it.

Where we uphold a report, or otherwise consider it necessary, we may suspend or remove the assistant, restrict who may use it, require its owner to change it, or suspend or close the account behind it under section 14. No step follows automatically from a report, and we do not promise to tell the reporter the outcome.

When we suspend or remove an assistant, or suspend an account, we email the account holder saying what we did and why. If you think we got it wrong, reply to that email or write to safety@deputise.ai and say why. A person reads it and looks at the decision again. The same mailbox handles complaints about how we dealt with a report or about content that remains available. Reports and decisions are kept as set out in our privacy policy.

6. People invited to an assistant

By using an assistant you acknowledge that:

  • It is an AI tool and may give answers that are wrong, incomplete or inappropriate
  • You should not rely on its answers for decisions that matter without checking them, and where appropriate taking professional advice
  • Its owner wrote its instructions but did not write its answers, and the owner cannot read your conversation unless you ask for a human and the assistant escalates a question to them
  • The owner can see your name and the email address on your account
  • Your conversations are stored and processed as described in our privacy policy

You may rate an assistant's answers. The owner sees only how many answers were liked and disliked in total. You may also report an answer as described in section 5.3.

7. Paid plans, credits and payment

7.1 Plans and prices

Owners use the Service on a Free plan or on a paid monthly plan. The plans, what each includes and the current prices are set out on our pricing page and explained in billing and plans. Prices are shown in pounds sterling, euros or US dollars according to the country you connect from, and the price you see at checkout is the total price including any VAT or sales tax.

7.2 Who you pay

Paid plans and credit packs are sold through Stripe. Stripe is the merchant of record for your purchase: it takes your payment by the methods shown at checkout, works out and includes any VAT or sales tax, sends your receipt, and handles payment disputes. [OWNER TO CONFIRM: the code enables Stripe Managed Payments on a preview API version, which makes Stripe the merchant of record. Confirm this is the live billing arrangement, and whether Stripe or Deputise issues refunds, before publishing.] By subscribing you authorise recurring charges at the start of each monthly billing period until you cancel.

7.3 Credits

Each assistant answer spends credits from the owner's balance, including answers given in the owner's own test chats and answers prompted by a connected AI agent. Billing and plans sets out what each kind of answer costs.

  • Your plan's monthly allowance is added at the start of each billing period and replaces whatever allowance was left. Unused allowance does not carry over
  • On a paid plan you may buy credit packs. Purchased credits do not expire, are spent only after the monthly allowance is used up, and are not touched when a plan ends or changes
  • When your balance reaches zero, existing conversations may continue briefly but new ones cannot start. At minus 10, assistants stop answering until the allowance resets or you buy a credit pack
  • Credits have no cash value, cannot be transferred to another account, and are not refunded except where section 7.6 or the law requires it
  • If an answer fails before any text is sent, the credits reserved for it are returned

7.4 Upgrades, downgrades and cancellation

An upgrade between paid plans takes effect immediately; Stripe charges a prorated amount for the rest of the period and the new plan's allowance is added to your balance. Moving from Free to a paid plan starts a new billing period and sets your balance to the new plan's allowance.

A downgrade or cancellation takes effect at the end of the current billing period. Until then you keep what you have paid for, and you can reverse the change from Manage Account. When a paid plan ends, assistants beyond the Free plan's limit are switched off (not deleted) and assistants on the Premium model move to the Standard model.

You can cancel from Account, then Manage Account, then Cancel Subscription, or through the Stripe billing portal linked from that page. Cancelling takes no more steps than subscribing did.

If you delete your account, any subscription is cancelled at once and your remaining paid period and any purchased credits are lost. If you only want to stop paying, cancel your plan and let it run to the end of the period before deleting your account.

7.5 Failed payments

If a renewal payment fails, Stripe retries it over the following days and your plan continues meanwhile. If the retries fail, your plan ends with the same effect as a cancellation, and Manage Account offers a way to update your payment details and subscribe again.

7.6 Your right to cancel within 14 days

If you are a consumer in the UK or the EU, you may cancel a subscription or a credit pack purchase within 14 days of buying it, without giving a reason, and receive a full refund. To do so, email support@deputise.ai from the address on your account saying that you cancel. You can use these words: "I give notice that I cancel my contract for [plan or credit pack] bought on [date]. Name, email address, date." [OWNER TO CONFIRM: whether to ask at checkout for express consent to immediate supply and acknowledgement that the right to cancel is lost once service starts, which the checkout does not currently do. Without it the full 14-day right applies regardless of use.]

7.7 Other refunds

Outside the 14-day period, refunds are given where the law requires them, including where the Service has not been provided with reasonable care and skill or does not match its description. Contact support@deputise.ai. If a payment is refunded or charged back, the plan or credits it bought are withdrawn.

7.8 Price changes

We may change prices. We will email you at least 30 days before a price increase applies to you, and it takes effect from your next billing period after that notice. If you do not want to pay the new price, cancel before it takes effect.

8. Intellectual property

8.1 Ours

The Service, including its software, design, trademarks and documentation, belongs to us or our licensors. We grant you a limited, non-exclusive, non-transferable licence to use the Service under these terms. Where an owner invites you to an assistant, that owner grants you a licence to use it for the purpose you were invited for. Neither licence transfers ownership.

8.2 Yours

You keep the rights in the instructions, facts, messages, images and other material you put into the Service ("your content"). You grant us a worldwide, royalty-free licence to store, reproduce, adapt and transmit your content to the extent needed to run the Service, to deliver your assistants to the people you invite, and to send it to the AI providers that generate answers. The licence ends when you delete the content or your account, except for:

  • Copies we must keep to comply with the law or to resolve a dispute
  • Copies in backups, which are removed on our normal rotation
  • A reported answer that forms part of a safety report, which we keep for the period in our privacy policy

8.3 Feedback

If you send us suggestions about the Service, we may use them without any obligation to you.

8.4 Infringement complaints

If you believe content on the Service infringes your intellectual property, email legal@deputise.ai with a description of the work, where the infringing material is on the Service, your contact details, a statement that you believe in good faith the use is not authorised, and a statement that you are the rights holder or authorised to act for them. We handle valid notices under the Copyright, Designs and Patents Act 1988, the US Digital Millennium Copyright Act and the EU Copyright Directive as applicable.

9. AI-generated answers

9.1 No guarantee of accuracy

Answers are produced by third-party AI models and may be inaccurate, incomplete, out of date or biased. We do not verify or endorse any answer.

9.2 Ownership of answers

As between you, the owner and us, you may use the answers an assistant gives you, subject to the AI provider's terms. We claim no ownership of answers. An owner retains their rights in any of their own material an answer reproduces.

9.3 Your use of answers

You are responsible for how you use an answer, including checking that your use is lawful and does not infringe anyone's rights.

10. API, MCP server and connected AI agents

10.1 What a connected AI agent can do

Our API and MCP server let an AI agent you choose act on your account. Before it gains access, you see the full list of permissions it asks for and approve or refuse them as a set. Depending on what you approve, an agent can:

  • See whether you have an active plan, the assistants you have created and their settings, and the name and email address of everyone you have shared one with
  • Create assistants and change their settings
  • Read your chats, and everything said in any conversation with an assistant you created that has ever escalated a question to you
  • Start chats and send messages as you, including replies in a conversation someone else is having with your assistant
  • Read the facts your assistants hold, which can include private details, and replace them
  • See and change how your assistants communicate
  • See the questions waiting for your answer, with the exchange that raised each one and the name and email address of whoever asked, and answer them as you
  • Rate and report what an assistant said
  • Invite people to an assistant by email
  • See your credit balance

An agent cannot delete assistants, conversations or your account, and cannot buy credits or change your plan.

10.2 Your responsibility

You are responsible for everything an agent does on your account as if you had done it yourself. Messages an agent sends are charged like any other, and a reply it writes to an escalated question is shown to the person asking as a message from you. Check that you trust the application behind an agent: the consent screen shows the address it connects from, and the name it gives itself is not verified by us.

10.3 Revoking access

Account, then Agent Access lists the agents you have approved. You can revoke any of them there. Revocation stops the agent obtaining new access immediately, but an access token it already holds can keep working for up to five minutes.

10.4 Restrictions and changes

You must not exceed the rate limits we set, use the API to build a competing service, give third parties access through your credentials, or use the API in a way that could harm the Service. We may change or withdraw the API or MCP server, and will give reasonable notice of material changes where we can.

11. Data protection

How we handle personal data is set out in our privacy policy. Where you use the Service in the course of a business and are the controller of personal data that we process for you, our data processing agreement applies and forms part of these terms. You are responsible for having a lawful basis for any personal data you put into an assistant.

12. Our responsibility to you

12.1 If you are a consumer

If we fail to provide the Service with reasonable care and skill, or it does not match what we said about it, you have the remedies the Consumer Rights Act 2015 gives you, including repair, re-performance or a price reduction. We are responsible for loss or damage you suffer that is a foreseeable result of our breaking these terms or failing to use reasonable care and skill. We are not responsible for loss that was not foreseeable, for loss caused by an assistant's answer that you relied on without checking it, or for business losses.

12.2 If you are a business

The Service is provided as it is. To the extent the law allows, we exclude all implied warranties, we are not liable for indirect or consequential loss or for loss of profit, revenue, data or goodwill, and our total liability under these terms in any 12 months is limited to the greater of the fees you paid us in those 12 months and £100.

12.3 What we never exclude

Nothing in these terms limits our liability for death or personal injury caused by our negligence, for fraud, or for anything else the law does not allow us to limit.

12.4 Other users and AI providers

We are not responsible for what another user does, for what an assistant says, or for the acts of a third-party AI provider, except where the law makes us responsible.

13. Indemnity (business users)

If you use the Service in the course of a business, you will compensate us for losses, costs and reasonable legal fees arising from a third-party claim caused by your content, your assistants, or your breach of these terms or the law. [OWNER TO CONFIRM: whether an indemnity from consumers is wanted. A broad consumer indemnity is likely to be unenforceable under the Consumer Rights Act 2015, so it is limited to business users here.]

14. Suspension and closing your account

14.1 By you

You can delete your account at any time from Account, then Manage Account, then Delete Account, or by emailing support@deputise.ai. Section 7.4 explains the effect on a paid plan. Managing your account explains what deletion removes.

14.2 By us

We may suspend or close your account, or suspend an assistant, if you break these terms or the law, if we reasonably believe your account has been compromised, if your use puts other people or the Service at risk, or if the law or a regulator requires it. Suspension is a pause: you cannot sign in and your assistants do not answer, but nothing is deleted. We email you the reason, and you can ask us to look again as described in section 5.3. We may close an account that has been suspended for a persistent or serious breach.

We may also withdraw the Service or a material part of it. If we do, we will give you at least 30 days' notice where we can and refund any part of a paid period you lose.

14.3 After closure

Your licence to use the Service ends. We delete or anonymise your data as described in our privacy policy. Fees already due remain payable. Sections 8, 9, 12, 13 and 17 continue to apply.

15. Disputes between users

A disagreement between an owner and a person they invited is for them to resolve. We may step in where we believe these terms have been broken or the Service is at risk, but we are not obliged to and are not responsible for the outcome.

16. Your statutory rights

If you are a consumer, nothing in these terms takes away rights you have under the law of the country where you live that cannot be excluded by contract, including in the UK the Consumer Rights Act 2015 and the Consumer Contracts (Information, Cancellation and Additional Charges) Regulations 2013, and in the EU the Consumer Rights Directive and the Unfair Contract Terms Directive. Where these terms conflict with those rights, the rights prevail.

17. Governing law and disputes

These terms are governed by the law of England and Wales, and the courts of England and Wales have jurisdiction, except that:

  • If you are a consumer living in the EU, you also benefit from the mandatory consumer protection law of your country and may bring proceedings there
  • If you are a consumer living in Scotland or Northern Ireland, you may bring proceedings in the courts of your part of the UK

If you have a complaint, email support@deputise.ai first and we will try to resolve it. If you are a consumer in the UK or the EU and we cannot, an alternative dispute resolution body may be able to help; your national consumer authority can tell you which bodies operate in your country. We are not obliged to take part in alternative dispute resolution.

18. General

  • These terms, with the policies they incorporate, are the whole agreement between you and us about the Service
  • If a court finds part of these terms unenforceable, the rest still applies
  • If we do not enforce a term, we may still enforce it later
  • You may not transfer your account or your rights under these terms. We may transfer ours to a successor business, and will tell you if we do
  • We are not responsible for delay or failure caused by events outside our reasonable control, including failures of the internet, our hosting provider or an AI provider
  • We send notices to the email address on your account. Send notices to us at legal@deputise.ai
  • The mobile app is distributed through the Apple App Store and Google Play under their terms as well as these. Purchases are made on our website, not through the app stores

19. Contact

Deputise Ltd, 71-75 Shelton Street, Covent Garden, London, WC2H 9JQ