1. Introduction and acceptance

Welcome to Appifio (appifio.com). These Terms of Service (the “Terms”) govern the Appifio Service, owned and operated by Hydros Co., Ltd. (Công ty TNHH HYDROS), tax code 0316193171, a company incorporated and existing under the laws of Vietnam (“we”, “us”, “our”, or the “Company”).

Appifio is a platform that lets you create, manage, publish, and operate biolinks, websites, web apps, PWAs, and app packages, plus related tools (short links, QR codes, chatbots, hosting, domains, analytics) - including by using artificial intelligence (“AI”).

The Service is provided primarily in English and is available to customers in Vietnam and, where legally permitted, to customers in other countries. Using English, paying in a foreign currency, or accessing the Service from outside Vietnam does not change the Company’s place of establishment or the governing law in Section 23.

By accessing the Service, creating an account, paying, creating content, or using any part of the Service, you confirm that you have read, understood, and agree to these Terms and the related policies listed in Section 2. If you do not agree, do not use the Service.

If you use the Service on behalf of an organization, you represent that you have authority to bind that organization. In that case, “you” includes the organization.

2. Definitions

A biolink is one product within the Service, not the Company’s legal name. Appifio and Định Danh (dinhdanh.com) are products of the same Company; these Terms apply to the Service on appifio.com.

3. Scope of the Service

Depending on your plan and enabled features, the Service may include:

• Creating and managing biolinks, mini sites, landing pages, websites, web apps, PWAs, and app packages;
• Appifio Creator: generating, editing, and deploying content and code with AI from natural-language descriptions;
• Hosting, CDN, SSL, custom domains, or Appifio subdomains;
• Link shortening, QR codes (including dynamic QR), and view/click analytics;
• Chatbots / AI assistants attached to Your Work;
• Templates, community / showcase libraries, and cloning samples;
• APIs, webhooks, MCP, or other developer bridges (when made available);
• Technical support, community, and custom design / implementation (if separately ordered).

The Service is operated from Vietnam. We may change, suspend, or discontinue a feature. Material changes will be announced in advance when reasonably feasible, under Sections 17 and 25.

4. Eligibility and accounts

4.1. Age and capacity

• You must be at least 18 years old and have full legal capacity under Vietnamese law and under the law of your country of residence (the stricter rule applies).
• If you are 16 or older but under 18, you may use the Service only with the consent of a parent or legal guardian, who is jointly responsible.
• We do not knowingly provide the Service to children under 16. If we learn an account belongs to an ineligible child, we may suspend or delete it.

4.2. Registration

To use most features you must create an account with truthful, complete, and current information (name or organization name, email, and other details required by law or payment). You are responsible for all activity under your account, including activity by people you authorize.

4.3. Account security

• Keep passwords, OTP codes, API keys, and MCP tokens confidential. Do not share login credentials.
• Enable multi-factor authentication when the feature is available.
• Notify us immediately via appifio.com/contact if you suspect unauthorized access.
• Do not impersonate others, use another person’s name or trademark without permission, or create accounts in bulk through automation.

4.4. One account, one holder

You may not sell, rent, or assign your account without our prior written consent. We may refuse registration, limit features, or require identity verification to comply with law or to prevent fraud. We may refuse or restrict access from countries or to persons where providing the Service would violate Vietnamese law or applicable sanctions.

5. Plans, fees, credits, payments, and refunds

Payment methods, invoices, and refund procedures are described in the Payment & Refund Policy on appifio.com (if published) and in this Section 5. If a procedure in that policy conflicts with this Section, that policy governs procedure; these Terms govern rights and obligations generally.

5.1. Free and paid plans

You may use a free plan (with feature / resource limits) or a paid plan billed monthly, annually, or on another cycle shown at checkout. A plan starts when you accept these Terms and, for paid plans, when payment succeeds. Prices, currency, and taxes shown at checkout are the amounts you agree to pay.

5.2. Billing cycle, renewal, and cancellation by you

• Paid plans usually renew automatically at the end of the cycle unless you cancel before renewal.
• You may cancel at any time in the dashboard (if available) or via appifio.com/contact.
• After cancellation, a paid plan usually remains active until the end of the prepaid period, then drops to the free plan or paid features stop.

5.3. Failed payments and price changes

• If a renewal charge fails, we may send reminders, suspend paid features, or move you to the free plan until payment succeeds.
• We may change prices or limits. We will give reasonable notice (email or in-product). New prices apply from the next billing cycle after notice, unless mandatory law requires otherwise.

5.4. AI credits / usage limits

• Some features (Creator, chatbots, image/code generation, etc.) consume credits or limits posted on the pricing page.
• Credits have no cash value, are non-transferable, and are non-refundable except where mandatory law requires otherwise or we state otherwise when credits are sold.
• Credits bundled with a subscription usually expire at the end of the plan cycle (for example, month-end), unless the pricing page says otherwise. One-time, promo, or referral credits may have a different expiry, disclosed when issued.
• If the system lets you exceed your limit, we may charge the overage at the published rate or pause the feature until you buy more.

5.5. Standard refund window (7 days / 14 days)

To the extent permitted by applicable law, fees already paid are non-refundable, except as follows and except where mandatory consumer law requires a different result:

No refund where: (i) you breached these Terms or the AUP; (ii) the account is suspended or terminated for breach; (iii) within 7 days you have used more than 10% of that month’s AI credit quota (so a 100% refund is not available); (iv) separately purchased / promotional AI credits, or credits that have expired; or (v) the charge is for custom design / implementation under a separate contract (unless that contract says otherwise).

5.6. Customers outside Vietnam - how refunds work

Because the Company is established in Vietnam, the default refund rules in Section 5.5 apply to all customers, including customers who use English and reside abroad. In addition:

• Mandatory cooling-off. If you are a consumer (not purchasing primarily for business) and the mandatory law of your country or region of residence grants a longer withdrawal or refund period that cannot be waived (for example, a 14-day distance-contract right in some jurisdictions), we will honor that mandatory period for the qualifying charge. Where that law allows the right to be lost because you asked us to start the digital service immediately and acknowledged the loss of withdrawal rights, that rule may apply. The 10% AI-credit condition still applies to a 100% platform refund unless that mandatory law requires a different result.
• Original payment method and currency. Approved refunds are sent back through the original payment channel and in the original charge currency where the processor allows it. We do not refund bank fees, card-issuer fees, currency-conversion spreads, or intermediary charges that you or your bank applied.
• Timing. After we approve a refund, we usually instruct the processor within 3-7 business days (Vietnam time). International card and bank networks may take additional days or weeks to post the credit. That extra time is outside our control.
• Taxes. Any VAT, GST, or similar tax collected is refunded only to the extent the payment provider and tax rules allow. You remain responsible for taxes imposed on you by your own country.
• Chargebacks. Contact us first via appifio.com/contact before filing a dispute with your bank or card network. Unjustified chargebacks may lead to suspension and recovery of fees, chargeback costs, and related losses. We may submit evidence of your use of the Service to the payment provider.
• Custom work. Separately quoted design, development, or enterprise work follows the refund terms in that order or contract, not Section 5.5, unless the contract is silent.

6. License to use the Service

We grant you a non-exclusive, non-transferable, revocable license to access and use the Service under your plan, credit / resource limits, and these Terms.

• You may use the Service for your own lawful personal or commercial purposes (for example a sales biolink, a company website, or an internal app), unless a free plan or the pricing page states a specific limit.
• You may not sublicense, resell, rent the Platform, white-label it, or act as a reseller without a separate agreement with us.
• Assets we provide (templates, icons, stock images, blocks) may be used only in Your Work on the Service, unless the asset’s own license is broader.
• Seats on a team plan (if offered) correspond to the number of licenses purchased.

7. Public and private publishing

By default, Work you publish (biolinks, websites, public apps, showcase templates) may be reachable by the public, captured at the browser level, and indexed by search engines.

• To restrict access, you must use the relevant features (password, expiry, private, invite-only) and/or a plan that includes them.
• Publishing does not transfer ownership of User Content to others, but you accept the risk of viewing, saving, screenshots, or unauthorized reuse - you are responsible for protecting trade secrets before you publish.
• Samples you submit to a community / showcase library may be viewed and cloned by others under product mechanics; do not post secrets or third-party personal data.

8. Acceptable use

Violating this Section 8 or the AUP may result in content removal, plan downgrade, suspension or termination, no refund, and cooperation with authorities where the law requires.

8.1. Prohibited conduct

You will not, and will not allow others to:

• Copy, modify, reverse-engineer, decompile, or extract source code, models, algorithms, or architecture of the Service except where the law allows;
• Scrape, crawl, or harvest data from the Platform or other users to train models or for commercial purposes without our prior written consent;
• Circumvent security, usage limits, rate limits, or payment, or create multiple accounts to evade a ban or limit;
• Use the Service or its outputs to train, evaluate, or improve competing AI models, or publish benchmarks without our prior written consent;
• Upload or embed malware, keyloggers, form/session-stealing scripts, perform denial-of-service attacks, port scans, cryptocurrency mining, or overload the system;
• Send spam; run scams or phishing; create fake login pages (for example impersonating Facebook, a bank, or an e-wallet) or pages that do not impersonate a brand but embed malware or unlawfully harvest passwords, OTP codes, or card data;
• Impersonate any person or organization; collect personal data unlawfully;
• Interfere with the Platform, networks, or another user’s Work;
• Use the Service for link farms, fake traffic, click fraud, or black-hat SEO that harms Appifio’s infrastructure or reputation;
• Upload specially protected sensitive data (for example health data, biometrics, full payment-card data, or state secrets) without a separate data-processing agreement;
• Use the Service in violation of Vietnamese law or the law of the place where you operate.

8.2. Prohibited content (summary)

You are responsible for all User Content. You must not create, store, publish, or distribute content that:

• Is illegal, fraudulent, defamatory, or invades privacy or dignity;
• Incites discrimination, hatred, violence, separatism, terrorism, or supports extremist groups;
• Is child sexual abuse material, child sexual exploitation, or any content that harms children - strictly prohibited;
• Is nudity, pornography, or sexually explicit content - entirely prohibited under Vietnamese law (which governs the Service) and Vietnamese public morals, even if labeled “adult”. An adult label only marks lawful content that is unsuitable for children; it is not permission to post nude or pornographic material;
• Promotes gambling, sports betting, bookmaking, taking wagers, or advertising / linking to betting sites - prohibited under Vietnamese law. There is no “virtual sports” exception if real money or redeemable points are wagered;
• Is a fake or phishing page (for example a cloned Facebook, bank, or e-wallet login) or a login/form that does not impersonate a brand but embeds malware, a keylogger, or unlawfully collects passwords, OTP codes, or card data;
• Instructs suicide, self-harm, or unlawful manufacture of weapons or explosives;
• Advertises or brokers prohibited or tightly restricted goods and services (drugs, weapons, counterfeits, prostitution, human trafficking, restricted tobacco, etc. - details in the AUP);
• Unlawfully interferes with elections, vote-buying, or public-order disinformation;
• Infringes others’ copyrights, registered or well-known trademarks, patents, industrial designs, or other IP. You may place icons that link to your own real accounts if you do not imply you are the brand’s official site;

The AUP is the detailed content policy. If the AUP and these Terms differ on the same content rule, the stricter rule applies.

Report: abuse / content - appifio.com/contact?subject=abuse; legal / IP - appifio.com/contact?subject=legal.

9. Responsible use of AI

When you use Appifio Creator, chatbots, or other AI features, you agree to:

• Human oversight: review and test AI output before relying on it or publishing / putting it into production;
• Transparency: disclose AI-generated content where law or professional norms require it;
• No harm: do not use AI for fraud, harmful deepfakes, unlawful discrimination, or malware;
• Respect rights: you must have the right to the prompts, data, and assets you provide; honor open-source and other licenses in the output;
• Privacy: do not put other people’s personal data into prompts without a lawful basis.

10. High-risk activities

The Service and AI outputs are not designed, certified, or warranted for environments where failure could cause death, serious injury, environmental harm, or critical-infrastructure damage - including (without limitation) medical devices / diagnosis or treatment, aviation, nuclear facilities, autonomous vehicles, life-support systems, or credit / employment / insurance decisions that law requires a certified system to make.

You must not use the Service for those activities. Any such use is at your sole risk; we may suspend the account immediately.

11. Content, data, and AI models

11.1. You keep rights in User Content

You retain your rights in User Content and in AI-generated code or content produced for your account, subject to third-party licenses (open source, stock images, fonts, APIs) that may be embedded in the output. You represent that you have all rights needed to provide content to the Service.

11.2. License you grant us

You grant us a non-exclusive, worldwide, royalty-free license, sublicensable to contractors / technical providers, to store, copy, back up, display, transmit, reformat, and process User Content as needed to:

• provide, secure, back up, troubleshoot, and operate the Service;
• display Your Work according to your publish settings;
• comply with law, handle abuse reports, and prevent fraud and misuse;
• create de-identified / aggregated data (“Derivative Data”) to improve the Service.

11.3. Model training

• We do not sell User Content.
• We may use de-identified and aggregated data to improve product quality.
• Prompts and outputs may be sent to third-party AI model providers (for example LLM providers identified in the product) under their terms in order to fulfill your request.
• We do not use private content from paid plans to train our own public models unless you opt in or the law lawfully allows it. Any opt-out (if offered on a plan) is described in the dashboard or Privacy Policy.

11.4. Storage, backups, data location

Data may be processed and stored in Vietnam and in other countries where we or our providers (hosting, AI, email, payments) operate. By registering, you consent to that cross-border processing as described in the Privacy Policy and applicable law. Encrypted backups may be taken for disaster recovery. After account closure we retain data for the minimum period required by law, then delete or anonymize it, except rotating backups that expire in the ordinary technical cycle.

12. Intellectual property

• The Platform, our source code, the “Appifio” name and logos, and the interface design (other than User Content) belong to Hydros Co., Ltd. or our licensors. You may not use our trademarks or logos without prior written consent, except a truthful factual reference to the Service.
• You represent that User Content and Your Work do not infringe third-party copyrights, registered or well-known trademarks, patents, industrial designs, trade secrets, or other IP. You must hold the required licences; we do not licence third-party IP to you.
• Feedback and feature suggestions: you keep any moral rights the law grants, but you give us a perpetual, royalty-free, worldwide license to use the feedback to improve the Service without compensation.
• Derivative Data (de-identified, aggregated) belongs to us.

12.1. IP complaints

We respect intellectual-property rights. If you believe content on the Service infringes your copyright, trademark, patent, industrial design, or other protected IP, send a notice via https://appifio.com/contact?subject=legal including: your identity as rights holder; a description of the protected subject matter and (if any) registration/certificate number; the URL or content at issue; a statement that the information is accurate; and a signature or identity confirmation. We may remove or disable material when there is a reasonable basis and act against repeat infringers (including account termination without refund).

If your material was removed in error, you may send a counter-statement. We review notices under Vietnam’s Intellectual Property Law and civil procedure. U.S. DMCA statutory procedure does not apply as a matter of Vietnamese law, even if our contact form uses a “DMCA” label for convenience.

13. AI output and auto-deploy

13.1. No warranty on AI output

AI output may be non-unique, inaccurate, incomplete, biased, outdated, or similar to third-party code or content. You are solely responsible for reviewing, testing, and obtaining professional advice (legal, medical, financial, security) before relying on it. We do not represent that output is original, fit for your purpose, or non-infringing.

13.2. Auto-run / auto-publish

If you enable features that automatically generate, run, deploy, or attach a domain, you are solely responsible for reviewing the code, security configuration, backups, and consequences (data loss, vulnerabilities, outages, third-party costs). We are not liable for code auto-executed or auto-published on your instruction.

14. Your End Users

You are the provider of Your Work to End Users. You must:

• publish your own terms and privacy notice for Your Work where the law requires;
• collect and process End User personal data lawfully (including Vietnam’s personal-data rules and any other law that applies to you);
• be responsible for products, services, payments, customer care, and disputes between you and your End Users;
• not present us as the seller or guarantor of your transactions, unless a separate writing says so.

We provide infrastructure / tools. We are not a party to the contract between you and your End Users, except where platform-intermediary law imposes a specific duty.

15. Third-party services and open source

The Service may link to or embed payments, domains, AI, maps, ad pixels, social networks, open-source libraries, and third-party APIs. Those components are provided “as is”. Their terms and policies govern what they control. We do not warrant or accept liability for third-party sites, goods, content, or incidents that you choose to integrate or click through from Your Work or the Platform.

16. Privacy and security

We apply administrative, technical, and physical measures consistent with common practice to protect the Service. No system is perfectly secure; we do not warrant that unauthorized access can never occur.

• You must back up important User Content. We are not responsible for loss caused by your failure to back up, by your deletions, by plan expiry, or by events beyond our reasonable control.
• Incidents may arise from software defects, connectivity, hardware, providers, attacks, or user error. We will use reasonable efforts to remedy issues in a reasonable time.
• If a security incident leads to unauthorized disclosure of personal data, we will notify as required by Vietnamese law (and notify affected customers when required or when we consider it necessary).

Details of personal-data processing are in the Privacy Policy on appifio.com.

17. Service levels, support, changes, and beta

• Unless a separate SLA is signed (typically for enterprise), the Service is provided as available, with no uptime commitment.
• Support is through appifio.com/contact and channels published on appifio.com. Paid / enterprise plans may receive priority handling.
• We may add, change, or remove features. Material changes will be announced in-product or by email at least 7 days in advance when feasible.
• Beta, preview, or trial features are provided “as is”, may be withdrawn at any time, and are not a formal commitment.

18. Suspension, cancellation, and termination

18.1. By you

You may stop using the Service and request account closure. For paid plans, see Section 5 on remaining term and refunds.

18.2. By us

We may suspend, downgrade, limit features, or terminate an account for: breach of these Terms or the AUP; non-payment; security risk; a government request; or if we discontinue the Service. The measure depends on the nature of the issue. We will try to give prior notice when feasible, but we need not delay where needed to prevent harm or a legal violation.

If we suspend or terminate for breach, prepaid fees are not refunded. We are not liable for content or features lost because of suspension, deletion, or a drop to the free plan.

18.3. After termination

• Export your data before you close. Within 30 days after termination (unless the account was locked for serious breach), you may request an export of data still technically available.
• Free accounts with no login and no edits to Your Work for 2 consecutive months may be deleted after we attempt to email the registered address at least 14 days prior.

18.4. Disputing a lock

If you believe your account was handled in error, contact us via appifio.com/contact. We will review in good faith. That review does not take away mandatory consumer-complaint rights.

19. Disclaimers

To the extent permitted by law, the Service is provided “as is” and “as available”, without express or implied warranties of uninterrupted operation, error-free performance, fitness for a particular purpose, or non-infringement.

Marketing information (blog posts, samples, illustrative stats) is for reference only. We will correct errors when we receive a valid report.

Nothing in this Section excludes liability that Vietnamese law does not allow to be excluded (for example liability for willful misconduct, death or personal injury caused by our fault, or non-waivable consumer rights). If you are a consumer, mandatory protections of your country of residence that cannot be contracted away also remain, as stated in Section 23.3.

20. Limitation of liability

To the maximum extent permitted by applicable law:

• We are not liable for indirect, incidental, special, consequential, or punitive damages, or for lost profits, lost data, lost goodwill, or business interruption, arising from use of or inability to use the Service - whether in contract, tort, or otherwise, even if we were advised of the possibility of those damages.
• Our total liability to you for all claims relating to these Terms or the Service will not exceed the greater of: (a) the amount you paid us for the Service in the 6 months before the event giving rise to the claim, or (b) USD 80 (or the then-equivalent of VND 2,000,000 if you paid in Vietnamese dong).

You are solely responsible for backups. You will not claim against us for lost data, rework, inaccurate AI instructions, delay, or expected profits, except in the two compensation cases below.

Operational incidents (whether or not we can fix them) do not create a right to compensation. We receive, investigate, and decide those complaints. Details: Disclaimer Section 8.

We compensate only when proven damage results from (i) our willful misconduct, or (ii) our breach of non-waivable user rights (including mandatory consumer rights in your country of residence), or death / personal injury caused by our fault. The 6-month / USD 80 cap does not apply to those cases. Amounts: Disclaimer Section 12.

21. Indemnity

You agree to defend, indemnify, and hold harmless the Company, its managers, employees, partners, and providers from losses and expenses (including reasonable legal fees) arising from: (i) User Content or Your Work; (ii) your use of the Service in breach of these Terms or the law; (iii) claims by End Users or other third parties relating to Your Work; (iv) allegations that Your Work or your content infringes intellectual-property, privacy, or other rights.

We may (but need not) participate in or assume defense of a matter; you agree to cooperate reasonably.

22. Personal data

Collection, use, storage, sharing, and data-subject rights are described in the Privacy Policy on appifio.com. These Terms do not replace that policy.

If you process End User personal data on the Service, you are the controller (or equivalent role) for that data; we process it on your lawful instructions and within the Platform’s technical capabilities. You must have a lawful basis before you collect it. Foreign customers remain responsible for any extra rules that apply to them (for example GDPR if they target people in the EEA).

23. Governing law and dispute resolution (including customers abroad)

23.1. Why Vietnamese law applies

The Company is incorporated in Vietnam and operates the Service from Vietnam. These Terms, and any dispute arising out of or relating to them or the Service, are governed by the laws of Vietnam (including the Civil Code, Law on Protection of Consumer Rights, Law on E-Transactions, Cybersecurity Law, Intellectual Property Law, personal-data regulations, and related instruments), without giving effect to conflict-of-law rules that would point to another country’s law as the primary governing law of the contract.

English as the product language, your residence outside Vietnam, or payment from a foreign bank or card does not, by itself, move the contract to another legal system.

23.2. How we handle a problem - step by step

1. Contact us first. Send a written notice via appifio.com/contact describing the issue, your account, and what you want. We usually respond within 24 hours on Vietnam business days (Monday-Friday).
2. Good-faith negotiation. Both sides will try to resolve the matter, including by discussion or mediation, for at least 30 days from the notice. This is a contractual cooling-off for lawsuits; it does not stop you from using mandatory consumer-complaint channels where the law gives you that right.
3. Courts in Vietnam (default forum). If the dispute is not resolved, it shall be submitted to the competent People’s Court of Vietnam at the locality of the Company’s registered office or business location, unless Section 23.3 requires a different result. Proceedings before Vietnamese courts are conducted in Vietnamese. A party that needs translation or interpretation bears that cost unless the court orders otherwise.

23.3. Consumers living outside Vietnam

If you are a consumer and you habitually reside outside Vietnam:

• These Terms still choose Vietnamese law and Vietnamese courts as the default.
• That choice does not take away mandatory rights that the law of your country or region of residence grants consumers and that cannot be waived by contract (for example certain cooling-off, refund, unfair-term, or local-forum rights in some jurisdictions).
• Where those mandatory rules apply, you may also use the complaint bodies or courts those rules make available. We may still raise Vietnamese law and these Terms for everything those mandatory rules do not cover.
• If you buy primarily for business (B2B), Section 23.2’s Vietnam forum applies, and you waive any objection that the forum is inconvenient, to the extent the law allows.

23.4. Cross-border practicalities

• A judgment of a Vietnamese court may need recognition or enforcement in your country under that country’s rules. That does not change the agreed forum in Section 23.2.
• We may communicate with you in English. Formal court filings in Vietnam remain in Vietnamese.
• Time limits, notices, and business days are calculated in Vietnam time (UTC+7) unless mandatory local law requires otherwise for a consumer.

24. General

25. Updates to these Terms

We may revise these Terms by posting an updated version at this URL. Unless we say otherwise, changes take effect when posted. We will notify you of material changes by email or in-product. Continued use after the effective date is acceptance of the new version. If you do not agree, stop using the Service and you may cancel under Section 5.

26. Contact

Hydros Co., Ltd. (Công ty TNHH HYDROS)
Tax code: 0316193171
Office: 25A Street 7, Tam Binh Ward, Thu Duc City, Ho Chi Minh City, Vietnam
Email: admin@appifio.com
Phone / Zalo: +84 388 636 131
Support: https://appifio.com/contact
Legal / IP reports: https://appifio.com/contact?subject=legal
Abuse / content reports: https://appifio.com/contact?subject=abuse

Thank you for using Appifio.