Terms of Use

Version date: 11 August 2026

Purpose and Acceptance

These Terms of Use ("Terms") form a binding agreement between you and Gohvio, Inc., a Delaware corporation ("Gohvio", "we", "us", "our"), and govern your access to and use of snailsign.com, the Snail Sign web application, the signing files it generates, the hosted send-for-signature service, and any related documentation or support (together, the "Services").

By accessing or using the Services, by purchasing an access key, or by opening or signing a document sent through the Services, you accept these Terms. If you do not accept them, do not use the Services. If you are accepting these Terms on behalf of a company or other organisation, you represent that you have authority to bind that organisation, and "you" means that organisation.

Your use of the Services is also governed by our Privacy Notice, which is incorporated into these Terms by reference.

1. Access and Use of the Services
2. Ownership and Licences
3. Restrictions on Use of the Services
4. Electronic Signatures: Scope and Limits
5. Your Responsibilities
6. Access Keys, Plans, and Payment
7. Documents, Retention, and Records
8. Term and Termination
9. Warranties and Disclaimers
10. Indemnification
11. Limitations of Liability
12. Dispute Resolution and Class Action Waiver
13. General
14. How to Contact Us

1. Access and Use of the Services

1.1 Eligibility

By using the Services you represent and warrant that:

• You are at least 18 years of age and are able to form a binding contract;
• You are not barred from receiving the Services under the laws of the United States or any other applicable jurisdiction; and
• All information you provide to us is accurate and, where it identifies another person, that you are entitled to provide it.

The Services are not directed to, and may not be used by, anyone under the age of 18. If we learn that an access key is held by a person under 18, we may deactivate it.

1.2 Limited right to use

Subject to your compliance with these Terms, Gohvio grants you a limited, revocable, non-exclusive, non-transferable, non-sublicensable right to access and use the Services for your own lawful business or personal purposes. All rights not expressly granted are reserved.

1.3 Availability

• The offline portion of Snail Sign, meaning preparing, filling, signing, and downloading a document in your browser, functions without any connection to our systems and is expected to continue functioning even if the hosted service is unavailable.
• The hosted send-for-signature service is provided on an "as available" basis. We offer no uptime commitment, service level, or guaranteed delivery time, and we do not guarantee that any email will be delivered, will avoid a spam filter, will be opened, or will be signed.
• We may modify, suspend, limit, or discontinue any part of the Services at any time. Where a discontinuation would materially affect paying subscribers, we will use reasonable efforts to give advance notice by email.

1.4 Updates

The Services are delivered as a web application and are updated continuously. You are always using the current version. We are not obliged to maintain, support, or make available any prior version, and a signing file generated by an earlier version may cease to work with the hosted service after a change.

1.5 Communications

If you purchase an access key, you agree that we may send you service communications relating to your subscription, including receipts, renewal and failure notices, key issuance and deactivation notices, security notices, and notices of material changes to these Terms or the Privacy Notice. These are not marketing messages and you cannot opt out of them while your subscription is active, though you may end them by cancelling.

2. Ownership and Licences

2.1 Our intellectual property

The Services and all software, designs, text, graphics, and other materials comprising them are owned by Gohvio or its licensors and are protected by intellectual property laws. "Snail Sign", "Gohvio", the snail device, and our logos are our trademarks. Nothing in these Terms grants you any right to use them, and you may not use them in a way that suggests endorsement, affiliation, or that a product is ours when it is not.

2.2 Source-available licence

The client-side code of Snail Sign is published for inspection so that you can verify our security claims for yourself. It is source-available, not open source. It is licensed under the PolyForm Shield License 1.0.0, and in summary:

• You may read, run, and modify the code, and use it for any purpose, including inside your own business;
• You may not use it, in whole or in part, modified or unmodified, to provide any product or service that competes with Snail Sign or with any Gohvio product. This applies whether or not you charge for it;
• If you pass any part of the code to another person, you must pass on the licence terms and our copyright notice with it;
• The licence grants rights in source code only. It does not grant any right in the Snail Sign or Gohvio names, logos, or other trademarks;
• The licence does not cover the hosted send-for-signature service, the access key system, or the servers that operate them, none of which are published;
• Versions published before 11 August 2026 were released under the MIT licence. That earlier grant is not revoked and continues to apply to those versions. Every version published on or after that date is licensed only under the PolyForm Shield License 1.0.0;
• If you operate your own copy of the code, you do so entirely at your own risk and you must not represent it as being operated by, endorsed by, or supported by Gohvio.

Receiving, opening, completing, or signing a signing file that was generated by Snail Sign is a permitted use. Signers do not need any separate licence.

2.3 Your content

You retain all rights in the documents, data, images, signatures, and other materials you supply to the Services ("Your Content"). You grant Gohvio a limited, worldwide, royalty-free licence to host, store, transmit, and display Your Content solely to the extent necessary to provide the Services to you and to your signers, and solely for the period described in section 7. This licence ends when Your Content is deleted. We do not use Your Content to train artificial intelligence models, to build advertising profiles, or for any purpose other than delivering the Services.

2.4 Feedback

If you send us suggestions, bug reports, feature requests, or other feedback, you grant us a perpetual, irrevocable, worldwide, royalty-free right to use it without restriction, obligation, or compensation. Please do not send us anything you consider confidential.

3. Restrictions on Use of the Services

You must not, and must not permit or assist any third party to:

• Use the Services for any unlawful, fraudulent, deceptive, or misleading purpose;
• Impersonate any person, misrepresent your affiliation with any person or organisation, or use an email address you are not entitled to use;
• Sign a document in another person's name, or cause a document to be signed in another person's name, without that person's authority;
• Send a document to an email address you do not reasonably believe belongs to your intended signer;
• Send bulk, unsolicited, or unrelated commercial email through the hosted service, or use it as a general purpose mail relay;
• Send malware, phishing content, or any file designed to harm, deceive, or gain unauthorised access to a recipient's system;
• Upload material that infringes another person's intellectual property or privacy rights, or that is defamatory, harassing, obscene, or unlawful;
• Use the Services to process categories of data for which they are not designed, including protected health information subject to HIPAA, cardholder data subject to PCI DSS, classified or export-controlled information, or biometric identifiers;
• Share, publish, resell, sublicense, or otherwise make your access key available to any other person or organisation;
• Circumvent, disable, or interfere with any access control, rate limit, key check, security feature, or usage limit;
• Probe, scan, penetration test, or attempt to gain unauthorised access to the Services or any connected system, other than through a good faith report to us;
• Interfere with or disrupt the integrity or performance of the Services, including by denial of service, excessive automated requests, or scraping;
• Reverse engineer, decompile, or disassemble any part of the Services that we have not published, or attempt to derive the source code of the hosted service;
• Copy, adapt, host, republish, resell, or otherwise use the Snail Sign code, interface, wording, or design, in whole or in part, to build or operate a product or service that competes with Snail Sign or any other Gohvio product, whether or not you charge for it, and whether or not you rewrite it in a different language or for a different platform;
• Use the Services or the code to train, benchmark, or evaluate a competing product, or to train a machine learning model;
• Remove, obscure, or alter any proprietary notice, attribution, or document fingerprint generated by the Services; or
• Use the Services in breach of any applicable export control, sanctions, anti-bribery, data protection, or electronic signature law.

We may investigate any suspected breach and may suspend or deactivate an access key immediately, without refund, where we reasonably believe it is being used in breach of this section or where continued use presents a risk to us, to our service providers, or to third parties.

4. Electronic Signatures: Scope and Limits

4.1 What Snail Sign does

• Lets you place fields on a PDF or Word document, complete them, and apply a drawn, typed, or uploaded signature image;
• Produces a flattened PDF containing the signatures that were applied, together with a SHA-256 fingerprint of the finished file;
• Optionally routes the document by email, in sequence, to up to four signers, and returns the finished document to the sender and the signers.

4.2 What Snail Sign does not do

• It does not verify a signer's identity. The only identifier is the email address you supply, and possession of an email address does not prove identity;
• It does not perform knowledge-based authentication, government ID verification, one-time passcode challenges, or any other identity assurance step;
• It does not issue certificate-based or qualified digital signatures, and it is not a qualified or accredited trust service provider under eIDAS or any equivalent regime;
• It does not act as a notary, witness, or attesting authority;
• It does not maintain a certificate of completion, a tamper-evident audit trail, or a long-term evidential record of who did what and when;
• It does not review, approve, or advise on the content, legality, or adequacy of any document.

4.3 Your determination

You are solely responsible for determining whether an electronic signature is legally sufficient for your document, whether any additional formality is required, and whether the evidence Snail Sign produces is adequate for your needs. If you require an audit trail, identity verification, or a qualified electronic signature, you should use a service that provides them.

5. Your Responsibilities

• Accuracy of recipients. You are responsible for the email addresses you enter. Once you click Send, the document is delivered to the address you typed. We cannot recall, unsend, or redirect it, and we are not liable for a document sent to the wrong person because an address was mistyped.
• Right to send. You must have the right to send each document and to include any personal information about third parties within it.
• Data protection role. Where a document contains personal information, you are the controller of that information and Gohvio acts as a processor on your instructions. You are responsible for having a lawful basis for the processing, for giving any notice required to the individuals concerned, and for responding to their requests.
• Your access key. You are responsible for keeping your key confidential and for all activity conducted with it. Tell us immediately if you believe it has been disclosed.
• Your own copy. You are responsible for downloading and retaining the finished document. See section 7.
• Your equipment. You are responsible for your device, browser, network, security software, and email service, and for any local storage the tool writes to your browser.

6. Access Keys, Plans, and Payment

6.1 What is free and what is paid

• Preparing, filling, signing, and downloading a document in your browser is free, and we intend to keep it free.
• Sending a document for signature by email through the hosted service requires a valid access key.

6.2 Plans and pricing

An access key is sold on one of two plans, at your choice:

Both plans provide identical access. The annual plan is the same service paid for in advance at a lower effective rate; it carries no additional features, no minimum term beyond the period paid for, and no penalty for not renewing.

6.3 Billing

• Fees are charged in advance for each billing period, monthly or annually according to the plan you selected.
• Payments are processed by Stripe, Inc. Card details are supplied directly to Stripe; we do not see, receive, or store them. Stripe's own terms apply to that transaction.
• The subscription renews automatically at the end of each billing period until cancelled. You authorise us, through Stripe, to charge your payment method for each renewal at the then-current price for your plan.
• You may switch between plans at any time. A switch takes effect at your next renewal, and we do not pro-rate or refund the period already paid for.
• Fees are exclusive of any sales, use, VAT, GST, or similar taxes. You are responsible for any such taxes other than taxes on our income.

6.4 Cancellation and refunds

• You may cancel at any time through the link in your receipt or by emailing us. Your key continues to work until the end of the period you have already paid for, which on the annual plan may be up to twelve months.
• Except where required by law, fees are non-refundable and we do not refund part months, part years, or unused periods, including where an annual plan is cancelled early.
• Notwithstanding the above, if the Services have failed in a way that materially deprived you of what you paid for, contact us and we will put it right.
• If a payment fails, we may suspend or deactivate the key until payment is received.

6.5 Key lifecycle and price changes

• Your key is personal to you or to your organisation and may not be shared or published.
• We may deactivate a key that is shared, published, compromised, or used in breach of section 3, without refund.
• We may change the price on at least 30 days' notice by email. A price change never applies to a period already paid for. Continuing after the change takes effect constitutes acceptance; if you do not accept, cancel before the next renewal.

7. Documents, Retention, and Records

7.1 Link expiry and deletion

• A signing link expires automatically 14 days after it is issued. A document that has not been completed within that period must be sent again.
• The stored copy of a document is deleted when every signer has finished, or when the link expires, whichever occurs first.
• Deletion is automatic and permanent. Further detail is in the Privacy Notice.

7.2 No obligation to preserve

We have no obligation to store, preserve, restore, or produce Your Content, and we are not liable for any loss of Your Content or of a signature record however caused. This applies even where we have been told a document is important.

8. Term and Termination

• These Terms apply from your first use of the Services and continue until terminated.
• You may stop using the Services at any time and may cancel a subscription as described in section 6.4.
• We may suspend or terminate your access, with or without notice, if you breach these Terms, if we are required to do so by law, or if continued provision presents a legal, security, or reputational risk to us.
• On termination, your right to use the Services ends immediately, any active key stops working, and any document then in storage is deleted on the schedule described in section 7.
• Sections 2, 3, 4, 5, 7, 9, 10, 11, 12, and 13 survive termination.

9. Warranties and Disclaimers

The Services are provided "as is" and "as available", with all faults and without warranty of any kind. To the fullest extent permitted by law, Gohvio disclaims all warranties, express, implied, statutory, or otherwise, including any implied warranty of merchantability, fitness for a particular purpose, title, accuracy, and non-infringement, and any warranty arising from course of dealing or usage of trade.

Without limiting the above, we do not warrant that:

• The Services will be uninterrupted, timely, secure, or error free;
• Any document will be delivered, received, opened, or signed;
• Any signature will be valid, binding, admissible, or enforceable;
• Any defect will be corrected, or that the Services will meet your requirements; or
• The Services are suitable for any regulated, high risk, or safety critical use.

No advice or information obtained from us, whether oral or written, creates any warranty not expressly stated in these Terms. Some jurisdictions do not allow the exclusion of implied warranties, in which case the exclusions above apply only to the extent permitted.

10. Indemnification

You will defend, indemnify, and hold harmless Gohvio, Inc. and its officers, directors, employees, contractors, and service providers from and against any claim, demand, proceeding, loss, liability, damage, fine, penalty, cost, or expense, including reasonable legal fees, arising out of or relating to:

• Your Content, including any allegation that it infringes, is unlawful, or was sent without the right to send it;
• Your use or misuse of the Services, including any breach of section 3;
• Any document you sent, any person you sent it to, and any dispute between you and a signer or any other party about a document;
• Any claim that a signature made using the Services was invalid, unauthorised, forged, or ineffective;
• Your breach of these Terms or of any applicable law, including data protection and electronic signature law; or
• Your infringement of any third party right.

We will notify you of any such claim, may participate in its defence at our own expense, and you may not settle any claim in a way that imposes an obligation or admission on us without our prior written consent.

11. Limitations of Liability

11.1 Excluded damages

To the fullest extent permitted by law, Gohvio will not be liable for any indirect, incidental, special, consequential, exemplary, or punitive damages, or for any loss of profits, revenue, business, goodwill, opportunity, anticipated savings, or data, or for the cost of substitute services, however caused and on any theory of liability, whether in contract, tort, strict liability, or otherwise, and whether or not we were advised of the possibility of such damages.

11.2 Specifically excluded outcomes

Without limiting section 11.1, we are not liable for:

• A document that was not delivered, was delivered late, was filtered as spam, or was delivered to an address you entered incorrectly;
• A document signed by the wrong person, or a signature that is disputed, repudiated, forged, or held to be invalid;
• Loss, deletion, or unavailability of a document or signature record, including after the automatic deletion described in section 7;
• Any decision, transaction, contract, or legal outcome you or anyone else based on a document prepared or delivered with the Services; or
• Any act, omission, outage, or breach of a third party service provider, including Stripe, Supabase, Resend, GitHub, or your own email provider.

11.3 Cap on liability

Gohvio's total aggregate liability arising out of or relating to the Services or these Terms will not exceed the greater of the total amount you paid us in the twelve months immediately preceding the event giving rise to the claim, or fifty United States dollars (US$50).

11.4 Independent allocation of risk

The disclaimers and limitations in sections 9 and 11 are fundamental elements of the basis of the bargain between you and Gohvio. The Services could not be offered free, or at $1 per month, without them. These limitations apply even if a limited remedy fails of its essential purpose.

11.5 Jurisdictional limitations

Some jurisdictions do not allow the exclusion or limitation of certain damages. In those jurisdictions our liability is limited to the maximum extent permitted by law. Nothing in these Terms excludes or limits liability for fraud or fraudulent misrepresentation, for death or personal injury caused by negligence, or for any other liability that cannot lawfully be excluded, and nothing affects mandatory consumer rights you have where you live.

12. Dispute Resolution and Class Action Waiver

• Talk to us first. Before starting any formal proceeding, you agree to email us a written description of the dispute and to allow 30 days for us to try to resolve it.
• Individual claims only. To the fullest extent permitted by law, you and Gohvio each agree to bring claims only in an individual capacity, and not as a plaintiff or class member in any purported class, collective, consolidated, or representative proceeding.
• Small claims. Either party may bring an individual claim in a small claims court with jurisdiction.
• Time limit. To the fullest extent permitted by law, any claim relating to the Services must be brought within one year after it arises, or it is permanently barred.
• Consumers. If you are a consumer in a jurisdiction where any part of this section is unenforceable, that part does not apply to you, and the rest of this section continues to apply.

13. General

13.1 Third party services and content

The Services rely on third party providers and may link to third party sites. We do not control them, do not endorse them, and are not responsible for their content, availability, terms, or privacy practices. Your dealings with them are solely between you and them.

13.2 Relationship of the parties

Nothing in these Terms creates a partnership, joint venture, agency, fiduciary, employment, or franchise relationship between you and Gohvio. There are no third party beneficiaries to these Terms, except that the indemnified persons named in section 10 may enforce that section.

13.3 Trade restrictions

You represent that you are not located in, ordinarily resident in, or organised under the laws of any country or territory subject to comprehensive United States sanctions, and that you are not listed on any United States restricted or denied party list. You must not export, re-export, or make the Services available in breach of any applicable export control or sanctions law.

13.4 Assignment

You may not assign or transfer these Terms, or any right under them, without our prior written consent, and any attempt to do so is void. We may assign these Terms in whole or in part in connection with a merger, acquisition, reorganisation, or sale of assets, or to an affiliate.

13.5 Notices

• Notices to you may be given by email to the address associated with your subscription, or by posting on snailsign.com, and are deemed received when sent or posted.
• Notices to us must be sent to emilygoh@gohvio.io.
• It is your responsibility to keep your email address current and able to receive our messages.

13.6 Force majeure

We are not liable for any delay or failure to perform caused by circumstances beyond our reasonable control, including acts of God, natural disaster, epidemic, war, terrorism, civil disturbance, labour dispute, governmental action, failure of a third party provider, internet or telecommunications failure, power failure, cyberattack, or denial of service attack.

13.7 Changes to these Terms

• We may update these Terms from time to time. The current version is always published on this page with the version date at the top.
• Where a change is material, we will give notice by email to every person then holding an active access key, and will post the change on this page in advance where practicable.
• Continuing to use the Services after a change takes effect constitutes acceptance. If you do not accept, stop using the Services and cancel any subscription.

13.8 Entire agreement, waiver, and severability

• These Terms, together with the Privacy Notice, are the entire agreement between you and Gohvio regarding the Services, and supersede all prior or contemporaneous understandings on that subject.
• Any purchase order, standard terms, or other document you issue has no effect and is expressly rejected, even if we acknowledge or sign it.
• A failure or delay in enforcing any provision is not a waiver of it, and no waiver is effective unless made in writing by us.
• If any provision is held unenforceable, it will be modified to the minimum extent necessary to make it enforceable, or severed if it cannot be, and the remaining provisions continue in full force.

13.9 Governing law and venue

These Terms and any dispute arising out of or relating to them or to the Services are governed by the laws of the State of Delaware, United States, without regard to its conflict of laws rules and excluding the United Nations Convention on Contracts for the International Sale of Goods. The state and federal courts located in Delaware have exclusive jurisdiction, and you consent to personal jurisdiction there. This does not affect any mandatory right you have to bring proceedings in the courts of your country of residence under local consumer law.

13.10 Language

These Terms are drafted in English. Any translation is provided for convenience only, and the English version governs in the event of a conflict.

14. How to Contact Us

Gohvio, Inc. is the provider of the Services. Questions about these Terms, cancellation requests, key problems, and legal notices should be sent to emilygoh@gohvio.io.