Terms of service

Last updated: October 4, 2026

These terms are an agreement between you and Ophy Labs Inc, which runs DocuStamp ("DocuStamp", "we", "us"), for using the DocuStamp service at sign.docustamp.dev, this website, our API, and the DocuStamp connection for AI apps (together, the "service"). By using the service, you agree to these terms. If you use it for a company, you confirm you can agree for that company, and "you" includes it.

Who can use DocuStamp

You must be at least 18 and able to enter a binding contract.

Your account

Give us accurate information and keep your sign-in details safe. You're responsible for what happens in your account, including what the AI apps you connect do with the permissions you give them.

AI apps that act for you

  • You choose what each connected app may do: read only, send, or sign for you. "Can sign for me" is off until you turn it on.
  • When an app signs your part, whether you asked it to or because the document fit rules you set, that signature is yours and binds you the same as if you signed it yourself.
  • Check your permissions and rules, and change them when your needs change. You can disconnect an app at any time. Every signature records which app signed, for whom, and who allowed it.

AI reviews are not legal advice

When DocuStamp reads a document and flags terms, that's an automated read. It can miss things or get them wrong, and it isn't legal advice. Get a lawyer's advice when it matters.

Electronic signatures

DocuStamp gives you the tools to sign electronically. Some documents can't be signed this way under the law, such as wills and certain court and government papers, and some need extra steps. You're responsible for using DocuStamp only where electronic signatures are allowed and for making sure the right people sign.

Your content

Your documents and data stay yours. You give us permission to store, process and send them as needed to run the service for you, including sending document content to our AI provider when you use AI features. You confirm you have the right to upload what you upload and to send it to the people you send it to.

Acceptable use

Don't use DocuStamp to:

  • break the law, or commit fraud, including signing for someone without their permission;
  • send spam, malware, or harassment;
  • put hidden instructions in documents meant to trick other people's AI apps;
  • get around our security, limits, or other accounts' access;
  • overload or disrupt the service.

We may suspend or close accounts that do.

Open source

DocuStamp's code is open source under the GNU Affero General Public License v3.0. That license covers the code. These terms cover the service we run. If you host your own copy, you run that service yourself.

Fees

Some features may become paid. We'll show prices before you're charged, and you won't pay for anything you haven't chosen.

Other services

AI apps, sign-in providers and other services you use with DocuStamp have their own terms. We aren't responsible for them.

Ending your use

You can stop using DocuStamp and ask us to close your account at any time. We may suspend or end access if you break these terms or if we have to for legal or security reasons. Sections that by their nature should continue after that, such as disclaimers and limits on liability, still apply.

Disclaimers

The service is provided "as is" and "as available". To the extent the law allows, we don't promise it will be uninterrupted or error-free, or fit for a particular purpose.

Limit of liability

To the extent the law allows, DocuStamp won't be liable for indirect, incidental, special or consequential damages, or lost profits or data. Our total liability for any claim about the service is limited to the greater of what you paid us in the 12 months before the claim, or $100.

Indemnity

If someone makes a claim against us because of your content or your misuse of the service, you agree to cover our reasonable costs and losses from that claim.

Governing law

These terms are governed by the laws of the State of Delaware, USA, and any dispute will be handled in the state or federal courts located there.

Changes

We may update these terms. We'll change the date at the top, and for significant changes we'll tell account holders by email before they take effect. Using the service after that means you accept the new terms.

Contact

Questions about these terms: support@docustamp.dev.

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