STACKKNACK TERMS AND CONDITIONS
Effective Date: Jan 3, 2026
Last Updated: April 1, 2026
Changes to Sections 7.3, 7.4, and 10 take effect: May 1, 2026
These Terms and Conditions ("Terms") govern access to and use of the StackKnack platform, software, applications, APIs, integrations, and services (collectively, the "Platform") provided by StackKnack LLC ("StackKnack," "we," "us," or "our").
By accessing or using the Platform, you agree to be bound by these Terms. If you do not agree, do not use the Platform.
1. DEFINITIONS
- "Operator" means a business or entity that uses StackKnack to operate a marketplace, resale operation, consignment operation, or inventory system under its own brand.
- "End User" means any buyer, seller, consignor, staff member, or other individual accessing an Operator's marketplace or systems.
- "Ops Partner Services" means optional managed operational services provided by StackKnack pursuant to a separate written agreement.
- "Third-Party Services" means services not owned by StackKnack, including Stripe, Shopify, eBay, StockX, GOAT, POS systems, shipping carriers, and analytics tools.
- "Customer Data" means any data submitted to the Platform by or on behalf of an Operator, including transactional metadata, customer information, and operational records, but excluding Operator Content.
- "Operator Content" means product listings, product names, descriptions, images, photographs, specifications, variants, categories, and any other content uploaded directly to the Platform by an Operator in connection with its inventory or marketplace operations. Operator Content is licensed separately under Section 7.3.
2. ROLE OF STACKKNACK (CRITICAL)
2.1 Platform Provider Only
StackKnack provides software and infrastructure only.
StackKnack:
- is not a marketplace operator (unless expressly stated in a separate written agreement),
- is not a seller, buyer, broker, agent, or merchant of record,
- does not own, possess, or sell inventory,
- does not collect, hold, or disburse funds.
All commercial activity is conducted solely by Operators.
2.2 No Agency or Partnership
Nothing in these Terms creates a partnership, joint venture, agency, fiduciary, or employment relationship between StackKnack and any Operator or End User.
3. ELIGIBILITY AND ACCOUNTS
- You must be at least 18 years old and legally capable of entering contracts.
- Operators are responsible for all activity conducted under their accounts.
- You must provide accurate and current information.
- StackKnack may suspend or terminate access at any time for risk, abuse, legal compliance, or misuse.
4. PAYMENTS AND STRIPE (WHITE-LABEL MODEL)
4.1 Stripe Integration
Operators connect their own Stripe accounts to the Platform.
- All payments are processed directly by Stripe.
- The Operator is the Stripe account holder.
- Stripe's terms govern payment processing independently.
4.2 No Funds Handling by StackKnack
StackKnack:
- does not process payments,
- does not store payment credentials,
- does not handle refunds or chargebacks,
- does not control payout timing.
4.3 Operator Responsibility
Operators are solely responsible for:
- refunds, cancellations, and disputes,
- chargebacks and fraud,
- KYC, AML, and compliance,
- taxes, VAT, sales tax, and reporting,
- payment-related customer support.
End Users acknowledge StackKnack is not a party to transactions.
5. MARKETPLACE OPERATIONS
Operators control and are responsible for:
- listings, pricing, descriptions, and availability,
- returns and refund policies,
- shipping and delivery,
- authenticity programs (if any),
- compliance with consumer protection laws.
StackKnack may provide tooling, automation, or alerts, but does not guarantee outcomes.
6. OPS PARTNER SERVICES (IF APPLICABLE)
Where Ops Partner Services are provided:
Scope, responsibilities, and limitations are defined in a separate agreement.
StackKnack performs services on a commercially reasonable efforts basis.
Operators remain responsible for:
- source data accuracy,
- staff execution,
- physical inventory handling.
StackKnack may pause automations, listings, or syncs to mitigate risk without liability.
7. DATA RIGHTS AND PRIVACY
7.1 Data Ownership
Operators retain ownership of Customer Data.
7.2 License to Process Data
Operators grant StackKnack a worldwide, non-exclusive, royalty-free right to:
- host, process, analyze, and transmit Customer Data
- operate, improve, and secure the Platform
- generate aggregated and anonymized analytics
7.3 License to Operator Content
By uploading Operator Content to the Platform, Operators grant StackKnack a worldwide, non-exclusive, royalty-free, sublicensable, and transferable license to use, reproduce, modify, adapt, publish, display, and distribute such Operator Content for the following purposes:
- providing and operating the Platform;
- displaying Operator Content in StackKnack's public-facing product catalogs, directories, and related services;
- improving and developing StackKnack's products and services.
This license continues for as long as the Operator Content remains on the Platform. Upon removal of Operator Content from the Platform (whether by the Operator or upon account termination), StackKnack will use commercially reasonable efforts to remove such content from public-facing catalogs within 30 days. Operators may also request removal of their Operator Content from public-facing catalogs at any time by contacting info@stackknack.com.
7.4 Operator Content Representations
By uploading Operator Content, Operators represent and warrant that:
- they own or have obtained all necessary rights, licenses, and permissions to the Operator Content, including any product images, photographs, and descriptions;
- the Operator Content does not infringe any third party's intellectual property rights, privacy rights, or other legal rights;
- they have the authority to grant the license described in Section 7.3.
Operators shall indemnify StackKnack against any claims arising from a breach of these representations.
7.5 Data Protection
StackKnack implements reasonable administrative, technical, and organizational safeguards.
7.6 Privacy Policy
Use of the Platform is subject to the StackKnack Privacy Policy, incorporated by reference.
7.7 Data Processing Addendum
To the extent StackKnack processes Personal Data on behalf of an Operator, the StackKnack Data Processing Addendum ("DPA"), available here, is incorporated by reference into these Terms and forms part of the agreement between StackKnack and the Operator. By accepting these Terms or using the Service as an Operator, you agree to the DPA.
8. ACCEPTABLE USE
You may not:
- violate laws or third-party platform terms,
- upload stolen or illegal goods,
- scrape or reverse engineer the Platform,
- bypass safeguards,
- misuse integrations,
- misrepresent inventory or transactions.
9. THIRD-PARTY SERVICES
The Platform depends on Third-Party Services.
StackKnack:
- does not control their availability or accuracy,
- is not liable for outages, API changes, suspensions, or data loss,
- makes no guarantees regarding third-party performance.
10. INTELLECTUAL PROPERTY
- StackKnack retains all rights to the Platform, including any public-facing product catalogs, directories, or databases compiled by StackKnack, even where such compilations incorporate Operator Content.
- Operators retain rights to their branding and their original Operator Content, subject to the license granted in Section 7.3.
- No licenses are granted except as expressly stated.
11. TERMINATION
StackKnack may suspend or terminate access:
- for breach,
- for risk or fraud,
- for legal compliance,
- at its discretion.
Termination does not relieve Operators of outstanding obligations.
Upon termination, StackKnack will remove Operator Content from public-facing catalogs in accordance with Section 7.3.
12. DISCLAIMERS
THE PLATFORM IS PROVIDED "AS IS" AND "AS AVAILABLE."
STACKKNACK DISCLAIMS ALL WARRANTIES, INCLUDING MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
STACKKNACK DOES NOT GUARANTEE INVENTORY ACCURACY, SALES RESULTS, PAYMENT SUCCESS, OR ERROR-FREE OPERATION.
13. LIMITATION OF LIABILITY (VERY IMPORTANT)
TO THE MAXIMUM EXTENT PERMITTED BY LAW:
STACKKNACK SHALL NOT BE LIABLE FOR:
- LOST PROFITS, REVENUE, DATA, OR GOODWILL
- INVENTORY DISCREPANCIES
- PAYMENT FAILURES
- CHARGEBACKS OR FRAUD
- THIRD-PARTY OUTAGES
- CONSUMER CLAIMS
STACKKNACK'S TOTAL LIABILITY SHALL NOT EXCEED THE AMOUNT PAID BY THE OPERATOR TO STACKKNACK IN THE 12 MONTHS PRIOR, OR $100 USD, WHICHEVER IS GREATER.
14. INDEMNIFICATION
Operators agree to indemnify and hold StackKnack harmless from:
- consumer claims,
- payment disputes,
- tax liabilities,
- regulatory actions,
- third-party platform violations,
- Operator Content or conduct.
15. DISPUTE RESOLUTION AND ARBITRATION
All disputes related to the Platform or these Terms shall be resolved by binding arbitration, on an individual basis, with no class actions, except where prohibited by law.
Transaction disputes are between End Users and Operators, not StackKnack.
16. GOVERNING LAW
These Terms are governed by the laws of the State of Delaware (or California if you prefer), without conflict-of-laws principles.
17. CHANGES TO TERMS
StackKnack may update these Terms. For material changes (including changes to data use or content licensing), StackKnack will notify Operators by email or through the Platform at least 30 days before such changes take effect. Continued use of the Platform after the effective date of updated Terms constitutes acceptance.