Terms of Service
For contractors and service businesses
Operated by ZAK Labs LLC | Effective September 8, 2026
1. Agreement and acceptance
These Terms of Service ("Terms") govern access to and use of BuildFlox, a software-as-a-service platform for contractors and service businesses, including its websites, applications, and related features (the "Service"). The Service is operated by ZAK Labs LLC ("BuildFlox," "we," "us," or "our"). "You" means the individual or organization accepting these Terms; "Authorized Users" are people you permit to use your account.
By affirmatively accepting these Terms, creating an account where these Terms are presented for acceptance, or using the Service after receiving notice of these Terms and a reasonable opportunity to review them, you agree to them. If you do not agree, do not use the Service. A separately executed agreement with ZAK Labs LLC controls over conflicting provisions of these Terms to the extent it expressly addresses the same subject.
BuildFlox provides business administration tools. These Terms govern your relationship with BuildFlox; they do not replace your contracts with clients, property owners, subcontractors, employees, suppliers, or payment providers.
2. Eligibility and organization authority
You must be at least 18 years old, have legal capacity to enter a binding agreement, and use the Service for lawful business purposes. If you accept these Terms for a company or other organization, you represent that you have authority to bind it. If you lack that authority, you must not create or administer an account on its behalf.
Your organization is responsible for its Authorized Users and their use of the Service. Administrators may manage permissions and access business records within their authorized role. You are responsible for obtaining permissions before inviting users or sharing customer or project information.
3. Accounts and security
Provide accurate registration and billing details, keep them current, protect credentials, and use available security controls appropriately. Do not share another person's credentials or allow unauthorized access. Promptly report suspected compromise to info@buildflox.com and cooperate reasonably in securing the account. You are responsible for activity you authorize and for managing user access, including removing former personnel; this does not excuse BuildFlox from its own legal or contractual obligations.
02 / SUBSCRIPTIONS AND BILLING
4. Plans, charges, and subscription payments
Available plans, included features, usage limits, billing frequency, currency, and charges are those disclosed when you subscribe or approve a change. Do not assume a feature is included unless the applicable plan or order states that it is. We do not promise any particular future feature. Additional paid features or usage charges require the applicable disclosure and authorization.
Stripe processes BuildFlox subscription billing. By purchasing a subscription, you authorize the disclosed charges to your chosen payment method, including recurring charges you expressly authorize. Applicable Stripe terms and privacy practices govern Stripe's processing activities. Keep a valid payment method on file. BuildFlox subscription fees are separate from payments your customers make to your business through Square.
Fees are due on the schedule disclosed at purchase. Taxes that we are legally required to collect will be disclosed and charged as applicable. You are responsible for taxes arising from your own business transactions; BuildFlox remains responsible for taxes on its own income. We may retry a failed payment and, after appropriate notice and an opportunity to resolve it, restrict paid access. Contact us promptly about an incorrect charge; nothing here limits legally protected billing-dispute rights.
Plan changes, including any proration or credits, follow the terms shown before you confirm the change. We will give advance notice of a subscription price change, its effective date, and how to cancel, and obtain consent where required. A price increase will not retroactively change fees for an already-paid period.
5. Auto-renewal, cancellation, refunds, and trials
Unless your offer expressly states otherwise, a paid subscription automatically renews for successive periods of the same duration until canceled. Renewal charges use the disclosed renewal price and billing frequency, subject to properly notified changes. We will provide applicable renewal disclosures, acknowledgments, reminders, and cancellation information and obtain affirmative consent where required by law.
You may cancel renewal at any time through the subscription management option made available in the Service or by contacting info@buildflox.com. If you enrolled online, an online cancellation method will be made available as required by applicable law. Submit cancellation before the next renewal charge to avoid that renewal. Cancellation stops future renewals; access generally continues through the paid period unless you request earlier account deletion or access is lawfully terminated.
Except where required by law, expressly stated in the applicable offer, or otherwise agreed in writing, fees already paid are non-refundable and partial periods or unused features do not receive prorated refunds. This does not restrict remedies for unauthorized or erroneous charges, our breach, or non-waivable statutory rights. Any approved refund is separate from refunds you owe your own customers.
If a trial or promotional offer is available, its duration, limitations, eligibility, and any conversion price and billing date will be disclosed with the offer. A trial converts to a paid subscription only on the disclosed terms and with required consent. Cancel before the disclosed conversion deadline to avoid a charge. No particular trial length or ongoing trial availability is promised.
03 / YOUR DATA AND PERMITTED USE
6. Customer Data: ownership and operational license
"Customer Data" means information and materials you or your Authorized Users submit to or maintain in the Service, including client contacts, project records, photographs, proposals, estimates, work orders, invoices, payment records, and expenses. As between you and BuildFlox, you retain ownership of Customer Data and your existing rights in it. These Terms do not transfer your business records to BuildFlox.
You grant BuildFlox a non-exclusive, worldwide license to host, store, copy, process, transmit, display, and format Customer Data only as reasonably necessary to provide, maintain, secure, troubleshoot, and support the Service and perform actions you request. We may allow service providers to perform those functions on our behalf under appropriate contractual obligations. This license does not authorize unrelated sale of Customer Data or general-purpose AI model training.
The license lasts while needed for those purposes and, after account closure, only to the extent necessary for permitted retention, backups, dispute handling, or legal compliance described in the Privacy Policy and applicable law. We do not claim broader rights merely because you upload data.
You represent that you have the rights, notices, consents, and other lawful authority needed to provide Customer Data, instruct its processing, and share it with recipients you select. Avoid uploading unnecessary sensitive information. Do not place full payment-card credentials in project notes, attachments, or other fields not designed for secure payment collection.
The BuildFlox Privacy Policy separately explains personal-information handling and applicable privacy rights. These Terms do not replace it, broaden permissions described in it, or waive statutory rights. Any separately agreed data-processing terms control for their subject matter. Keep independent copies of records you must retain for business, tax, warranty, or legal purposes.
7. Acceptable use
Use the Service only in compliance with applicable law and your authorized plan. You must not:
- Upload unlawful, infringing, fraudulent, threatening, or malicious content; impersonate others; or misuse another person's personal information.
- Send spam or unlawful marketing communications, create deceptive invoices or payment requests, or use the Service for money laundering or other unlawful transactions.
- Introduce malware, disrupt the Service, bypass authentication or access controls, or probe systems without authorization.
- Access other accounts or data without permission, evade usage limits, or scrape or extract Service content in a way that violates others' rights or materially burdens the Service.
- Resell unauthorized access, remove proprietary notices, or reverse engineer the Service except to the extent applicable law permits despite this restriction.
You are responsible for permissions and lawful content in communications you send using the Service. We may investigate reasonably suspected misuse and take proportionate action under Section 14.
04 / BUSINESS WORKFLOWS AND INTEGRATIONS
8. Proposals, estimates, work orders, invoices, and expenses
BuildFlox helps organize business records and prepare documents; you control their content and use. Before sending, approving, signing, or relying on a document, verify customer identity, scope, quantities, measurements, rates, labor and material costs, discounts, taxes, totals, schedules, payment terms, and attachments. Review imported information, calculations, templates, and status labels for accuracy and completeness.
You are responsible for legally required contract language, notices, approvals, signatures, change orders, licenses, tax treatment, expense classifications, and record retention. A generated proposal or work order does not by itself establish a legally enforceable agreement, satisfaction of consumer-protection requirements, lien rights, permit approval, or acceptance of work.
A payment status or receipt displayed in BuildFlox may depend on information from a third party and may be delayed or incomplete. Reconcile records against the payment provider and your own books. You are responsible for your pricing, client communications, collections, refunds, warranties, and fulfillment. BuildFlox is not a party to the contract for your construction or other services and does not guarantee that a customer will pay.
9. Customer payments through Square
Where enabled, Square processes payments from your customers to your business. You may need an eligible Square account and must accept Square's applicable agreements and complete its verification requirements. By connecting Square and using payment features, you authorize the data exchange and payment instructions reasonably needed for those features.
You remain the seller or service provider for your customer transactions. You are responsible for lawful payment authorization, accurate amounts, required disclosures, receipts, taxes, delivery of services, refunds, and responding to disputes and chargebacks. Square's rules govern its processing fees, account eligibility, reserves, holds, settlement timing, and payment restrictions. Any separate BuildFlox transaction fee must be disclosed before you authorize it.
BuildFlox provides software connectivity and is not a bank, escrow provider, or guarantor of settlement. It does not control Square's independent decisions. Contact Square for issues involving its processing account and BuildFlox for issues with the integration. Ending a BuildFlox subscription does not resolve outstanding Square transactions or automatically close your Square account.
10. Third-party services and integrations
The Service may connect with third-party tools or rely on hosting, storage, authentication, messaging, analytics, payment, or AI providers. Optional integrations may have separate terms, fees, permissions, and privacy practices. Review these before enabling a connection and share only information you are authorized to share.
Third parties may change, suspend, or discontinue their services, affecting connected features. We do not warrant independently provided third-party services, but remain responsible for our own obligations, including those concerning providers acting on our behalf. Disconnecting an integration may stop future access without deleting records already held by that provider.
05 / AI, INTELLECTUAL PROPERTY, AND AVAILABILITY
11. AI-assisted features
BuildFlox may offer AI-assisted drafting, summarization, categorization, recommendations, or other features. Availability depends on the plan and features actually enabled. AI output is probabilistic and can be inaccurate, incomplete, outdated, biased, or inappropriate, including when it appears confident or detailed.
You must review and independently verify AI output before using it in estimates, contracts, invoices, customer communications, accounting records, or operational decisions. Verify factual claims, calculations, legal language, measurements, material requirements, and safety-related information. AI output is not a substitute for qualified professional judgment, an inspection, a code review, or site-specific engineering.
Submit only information you have authority to provide. Inputs may be processed by AI service providers as described in the Privacy Policy and applicable feature disclosures. These Terms alone do not give permission to use Customer Data for unrelated model training; any such use would require a separate lawful basis and appropriate disclosure or consent.
As between you and BuildFlox, to the extent rights exist and are transferable, you may use output generated for you and BuildFlox assigns to you any rights it has in that output, excluding underlying Service technology and third-party materials. Output may resemble content generated for others and may not qualify for intellectual-property protection. We do not guarantee exclusivity, originality, non-infringement, or suitability. You remain responsible for how you use or distribute it.
12. BuildFlox intellectual property
BuildFlox and its licensors retain all rights in the Service, including its software, interface, designs, documentation, branding, and underlying technology, excluding Customer Data and rights expressly granted in Section 11. Subject to these Terms and the applicable plan, we grant you a limited, non-exclusive, non-transferable right to access and use the Service for your internal business operations during your authorized subscription or access period.
You may not use BuildFlox or ZAK Labs LLC names or marks in a way that implies endorsement or ownership without permission. If you voluntarily provide suggestions, you allow us to use them without payment or obligation, but this permission does not transfer Customer Data or authorize disclosure of your confidential information.
13. Availability, maintenance, and changes
We aim to maintain a useful, reliable Service, but do not promise uninterrupted access, error-free operation, or a specific uptime or support-response level unless separately agreed in writing. Maintenance, security incidents, internet failures, and provider outages may affect access. Maintain appropriate backups and alternative procedures for time-sensitive business activities.
We may update features to improve the Service, address security, or comply with law. Where reasonably practicable, we will give advance notice of changes that materially reduce core paid functionality. If we discontinue the paid Service or materially reduce its core functionality during a prepaid term, you may end the affected subscription and receive a proportionate refund for the unused affected period, subject to any greater rights under law. Emergency changes may occur without advance notice.
06 / ACCOUNT LIFECYCLE AND JOBSITE RESPONSIBILITY
14. Suspension and termination
We may restrict or suspend access when reasonably necessary to address a material breach of these Terms, overdue charges, a credible security or fraud risk, harm to others, or a legal requirement. Where practical and lawful, we will explain the reason and allow a reasonable opportunity to remedy the issue. Immediate action may be necessary where delay creates risk or disclosure is prohibited.
We may terminate access for a serious or repeated breach, an unresolved material breach after notice, or where continued service is unlawful. You may stop using the Service and cancel under Section 5. If we end a paid subscription for our convenience rather than your breach or a legal prohibition, we will refund prepaid fees for the unused period. Termination does not erase legitimate amounts already due, and no accelerated future renewal fees arise merely from termination.
Rights and duties intended to continue survive as applicable, including accrued payment obligations, permitted data retention, intellectual property, disclaimers, liability provisions, indemnification, and governing law.
15. Cancellation, account deletion, and data deletion
Canceling a subscription stops renewal but does not itself delete the account or its records. Deleting a record is likewise not a subscription cancellation. If you request closure of the entire billing account, we will stop future BuildFlox subscription renewals associated with that account; deleting one user from an organization does not cancel the organization's subscription.
Before requesting deletion, export or otherwise retain records you need and resolve organization ownership and access issues. Request account closure or personal-data deletion through available account controls or info@buildflox.com. We may verify identity and authority and distinguish an individual privacy request from a request to remove organization-owned business records.
Deletion can remove access to records and may be irreversible once completed. Processing, retention exceptions, backup expiration, and privacy rights are governed by the Privacy Policy and applicable law. Some information may be retained for legal, tax, accounting, security, fraud-prevention, or dispute purposes. No exact deletion or backup-retention period is promised in these Terms. Third-party records, including Stripe and Square records, remain subject to those providers' obligations and policies.
16. Disclaimers and no professional advice
To the extent permitted by law, the Service is provided "as is" and "as available," without implied warranties of merchantability, fitness for a particular purpose, or non-infringement. These disclaimers do not override express commitments in these Terms, a separately signed agreement, or rights and warranties that cannot lawfully be excluded.
BuildFlox does not provide legal, tax, accounting, financial, architectural, engineering, or other licensed professional advice. Templates, calculations, reports, and AI assistance require your review and, where appropriate, review by qualified professionals.
07 / LIABILITY AND LEGAL FRAMEWORK
17. Construction and jobsite responsibility
You and the professionals you engage remain responsible for project supervision; site conditions; field measurements; means and methods; worker and public safety; permits; building codes; licensing; insurance; inspections; labor and employment compliance; materials; quality; and warranties. BuildFlox does not direct construction, inspect work, certify code compliance, or replace safety systems. Do not rely on the Service or AI output as the sole basis for safety-critical or structural decisions. This allocation does not excuse BuildFlox from liability for its own conduct where liability cannot lawfully be excluded.
18. Limitation of Liability
To the maximum extent permitted by applicable law, the total aggregate liability of ZAK Labs LLC arising out of or relating to BuildFlox or these Terms will not exceed the total subscription fees paid by the customer to ZAK Labs LLC for BuildFlox during the twelve (12) months immediately preceding the event giving rise to the claim.
To the maximum extent permitted by applicable law, ZAK Labs LLC will not be liable for any indirect, incidental, special, consequential, exemplary, or punitive damages, or for any loss of profits, revenue, business opportunities, goodwill, or data, even if advised of the possibility of such damages.
These limitations apply only to the extent permitted by applicable law and do not limit liability that cannot legally be limited or excluded.
19. Indemnification
To the extent permitted by law, you will indemnify ZAK Labs LLC and its officers and employees against third-party claims, resulting damages and settlements, and reasonable defense costs to the extent caused by your unlawful Customer Data, infringement of a third party's rights through materials you supply, material breach of these Terms, or negligent or unlawful acts in providing your own construction or service work. This obligation does not apply to the extent a claim results from BuildFlox's breach, negligence, willful misconduct, or other fault.
We will promptly notify you of a claim for which we seek indemnification, provide reasonable cooperation at your expense, and permit you to control the defense with competent counsel reasonably acceptable to us. A delay in notice reduces the obligation only to the extent it materially prejudices the defense. We may participate with our own counsel at our expense. You may not settle a claim in a way that admits fault by us, imposes nonmonetary obligations on us, or fails to release us without our prior written consent, which will not be unreasonably withheld.
08 / CHANGES AND CONTACT
20. Governing law and disputes
California law governs these Terms and disputes arising from them, without regard to conflict-of-laws rules, except where applicable law requires otherwise. Mandatory protections of another jurisdiction continue to apply where they cannot lawfully be waived.
For a concern about the Service, contact info@buildflox.com so we can attempt to resolve it. Informal contact is not a prerequisite to legal action and does not shorten or suspend legal deadlines. These Terms do not designate a specific county or exclusive court venue, require arbitration, or waive class-action rights. Court jurisdiction and venue are determined under applicable law.
21. Changes to these Terms
We may revise these Terms and will identify the new effective date. For material changes, we will provide reasonable advance notice through the Service or the account email address, explain when the changes take effect, and request renewed acceptance where required. Changes will apply prospectively and will not retroactively reduce accrued rights or govern an already-arisen dispute without lawful agreement.
Where legally sufficient and after proper notice and an opportunity to review, continued use after the effective date constitutes acceptance. If you do not agree, stop using the Service and cancel renewal before the changes take effect. Subscription price changes remain subject to Section 4 and applicable notice and consent requirements. Necessary legal or security changes may take effect sooner where permitted by law.
22. General provisions
These Terms, the applicable accepted order or plan terms, and any separately executed agreement addressing the Service form the agreement concerning its use. The Privacy Policy separately governs privacy disclosures and practices. These Terms do not create a partnership, agency, employment relationship, or joint venture between you and BuildFlox.
If a provision is unenforceable, it will be limited or severed only to the extent permitted by law, and the remaining provisions will continue in effect. Failure to enforce a provision is not a waiver. Neither party may transfer its obligations in a way that reduces the other party's rights without lawful authorization; a lawful successor remains bound by applicable obligations. Notices may be sent to the account email address or through the Service where appropriate and lawful.
23. Contact
ZAK Labs LLC / BuildFlox Questions about these Terms, subscription cancellation, or account and data requests: info@buildflox.com

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