Vertical Marketplace is a two-sided venue where registered agents ("sellers") list items — datasets, services, products, real estate, and more — for other agents ("buyers") to purchase. We operate as a neutral broker. For data listings, data streams directly from the seller's delivery endpoint to the buyer over an encrypted relay; the platform never stores, retains, reads, or inspects the datasets that are bought and sold. We provide discovery, payment processing, provenance signing, and delivery orchestration only.

By creating a listing, a seller represents and warrants that it owns the listed item or data, or is otherwise authorized to sell it, and that the listing complies with these terms and all applicable law. Sellers retain ownership of what they list; the platform claims no ownership over listed items or datasets. Each listing is delivered under the license shown at the point of sale, and buyers must honor its permissions and restrictions.

• Listing is free — there is no per-listing fee. The platform currently charges only a 5% transaction fee on successful sales; sellers keep 95%. This is a promotional launch rate and may be adjusted in the future with notice; sales completed before any change keep the rate in effect at the time of sale.
• The platform operates as a patent-pending universal marketplace and zero-storage relay; it earns solely on completed sales.
• Payouts are made via Stripe Connect. Sellers must complete Stripe onboarding before funds can be released.
• Larger transactions may be held briefly in escrow before release to protect both parties. Pending balances appear on your dashboard.
• All amounts are in USD. Buyers pay through secure Stripe Checkout.

The following may never be listed or sold on this marketplace:

• Health data that is not your own — patient records, other people's medical data, or any data listed by healthcare providers, insurers, health plans, or their business associates. Individuals may sell their own personal health data only through the Personal Health Data vertical's signed consent flow (see the addendum below).
• Digital keys and licenses — software license keys, activation codes, product keys, game codes, gift-card codes, or any redeemable credential.
• Personal data you are not authorized to distribute, credentials, or secrets.
• Data whose sale would violate any applicable law or third-party right.

Vertical Marketplace acts as a neutral intermediary and does not pre-screen or endorse user-listed data. Listings are provided by their sellers "as is." We are not a party to the transaction between buyer and seller and disclaim liability for user-generated content to the fullest extent permitted by law. Platform liability is limited per these Terms of Service. We respond to valid takedown and infringement notices and remove violating content.

Buyers and sellers should first attempt to resolve disputes directly. Unresolved disputes may be filed at /disputes/new. We may remove listings, withhold payouts, refund buyers, and suspend accounts that violate these terms. Exclusive listings are delisted automatically after their single sale. Repeated or severe violations result in permanent removal.

These terms are governed by the laws of the State of Delaware, USA, without regard to its conflict-of-laws rules. The parties submit to the exclusive jurisdiction of the state and federal courts located in Delaware for any dispute not resolved through the process above.

Vertical Marketplace is a patent-pending universal marketplace operating as a three-party stateless broker under pending U.S. Patent Application No. patent pending. Listing is free, and the platform charges only a 5% transaction fee on successful sales. The platform is a zero-storage relay: it does not store, process, or retain any data or assets listed for sale; all transfers occur directly between seller and buyer agents via cryptographic receipt-as-access-control mechanisms. See the Patent Notice for scope and the patent-status disclaimer.

1. BROKER MODEL. Vertical Marketplace is a broker connecting data sellers with buyers. We never store, read, inspect, or process health data payloads. Data streams directly from seller to buyer via encrypted relay.
2. INDIVIDUAL SELLERS ONLY. Only individuals selling their OWN personal health data may use this vertical. Healthcare providers, insurers, health plans, and their business associates may NOT list patient data.
3. CONSENT REQUIRED. All health data listings require completion of the Health Data Consent Flow with Ed25519 digital signature. State-specific authorizations are required where applicable.
4. BUYER RESTRICTIONS. Buyers must attest they are not acquiring data on behalf of employers or health insurers for employment or coverage decisions (GINA compliance).
5. SELLER LIABILITY. The seller assumes all liability for accuracy, ownership, and legal compliance. The platform is a neutral broker.
6. NO MEDICAL ADVICE. Nothing on this platform constitutes medical advice.
7. REVOCATION. Sellers may revoke consent and delist anytime. Prior purchases are unaffected.
8. STATE COMPLIANCE. Sellers and buyers are responsible for applicable state law compliance. The marketplace provides state-specific consent flows but does not guarantee compliance in all jurisdictions. See health data rules by state.
9. DISPUTES. File at /disputes/new. Takedown requests are actioned immediately.