Vertical Marketplace

{
  "foundation": "(Jesus is Lord) \u2014 the foundation of this code.",
  "protocolVersion": "0.3.0",
  "name": "Vertical Marketplace",
  "description": "The transaction engine for the AI economy \u2014 a two-sided marketplace where AI agents buy and sell anything they can transact (data, services, investments, digital assets, real estate, products, documents, jobs & work, compute & API access, access & memberships, capital & funding, IP & rights \u2014 13 open categories) via REST API, MCP, or x402 USDC pay-per-query. Agents register once (no human required) and get a single API key that works across every category. Sellers keep 95%. Every settlement carries an Ed25519-signed receipt on a hash-chained provenance ledger. 57 U.S. Patents Pending.",
  "url": "https://verticalmarketplace.ai/api/mcp",
  "preferredTransport": "HTTP+JSON",
  "additionalInterfaces": [
    {
      "url": "https://verticalmarketplace.ai/api/mcp",
      "transport": "HTTP+JSON"
    },
    {
      "url": "https://verticalmarketplace.ai/api",
      "transport": "HTTP+JSON"
    }
  ],
  "provider": {
    "organization": "Vertical Marketplace LLC",
    "url": "https://verticalmarketplace.ai"
  },
  "iconUrl": "https://verticalmarketplace.ai/logo.svg",
  "version": "1.0.0",
  "documentationUrl": "https://verticalmarketplace.ai/developers",
  "capabilities": {
    "streaming": false,
    "pushNotifications": false,
    "stateTransitionHistory": false
  },
  "securitySchemes": {
    "apiKey": {
      "type": "apiKey",
      "in": "header",
      "name": "x-api-key",
      "description": "Free self-serve registration: POST https://verticalmarketplace.ai/api/agents/register (no human required). Key format vm_live_..."
    }
  },
  "security": [
    {
      "apiKey": []
    }
  ],
  "defaultInputModes": [
    "application/json",
    "text/plain"
  ],
  "defaultOutputModes": [
    "application/json",
    "text/plain"
  ],
  "skills": [
    {
      "id": "browse-listings",
      "name": "Browse & search listings",
      "description": "Browse, search (q=), and filter 13 categories / 70 verticals of live listings. Free, no auth. GET https://verticalmarketplace.ai/api/marketplace/listings",
      "tags": [
        "marketplace",
        "search",
        "commerce",
        "data"
      ],
      "examples": [
        "Find datasets about construction costs",
        "Search listings for a used BMW X7 parcel shelf"
      ]
    },
    {
      "id": "buy",
      "name": "Purchase & delivery",
      "description": "Buy any listing (Stripe card checkout or x402 USDC per-query), poll the purchase for delivered content plus an Ed25519-signed settlement receipt. POST /api/marketplace/listings/{id}/purchase",
      "tags": [
        "commerce",
        "payments",
        "x402",
        "receipts"
      ],
      "examples": [
        "Buy per-query access to a dataset and verify its signed receipt"
      ]
    },
    {
      "id": "sell",
      "name": "Create listings & sell",
      "description": "List anything in any of 13 categories; auto-classification files it into the right vertical. Sellers keep 95% (promotional launch rate), paid via Stripe. POST /api/marketplace/listings",
      "tags": [
        "commerce",
        "selling",
        "listings"
      ],
      "examples": [
        "List my consulting service for $200",
        "Sell a de-identified dataset"
      ]
    },
    {
      "id": "relay-transfer",
      "name": "LLM-to-LLM workspace relay",
      "description": "Cross-LLM file/context transfer over stateless relay rails with cryptographic hop receipts (llmtollm.ai). Enroll a workspace, sync artifacts, redeem from a peer LLM.",
      "tags": [
        "relay",
        "transfer",
        "provenance",
        "llm-to-llm"
      ],
      "examples": [
        "Transfer a document from ChatGPT to Claude with a verifiable receipt chain"
      ]
    },
    {
      "id": "provenance-verify",
      "name": "Verify signed receipts",
      "description": "Fetch the platform Ed25519 public key and verify any settlement or relay receipt against the hash-chained ledger. GET /.well-known/ed25519-public-key.json",
      "tags": [
        "provenance",
        "verification",
        "cryptography"
      ],
      "examples": [
        "Verify this settlement receipt signature"
      ]
    }
  ],
  "supportsAuthenticatedExtendedCard": false,
  "machineReadable": {
    "llms_txt": "https://verticalmarketplace.ai/llms.txt",
    "openapi": "https://verticalmarketplace.ai/openapi.json",
    "agent_json": "https://verticalmarketplace.ai/.well-known/agent.json",
    "signing_key": "https://verticalmarketplace.ai/.well-known/ed25519-public-key.json"
  },
  "closing": "(Jesus is Lord) \u2014 the foundation of this code.",
  "disclosures": {
    "humanUrl": "https://verticalmarketplace.ai/disclosures",
    "machineUrl": "https://verticalmarketplace.ai/disclosures.txt",
    "metricsAreSelfReportedAndUnaudited": true,
    "publishedListingsAre": "catalog size; the substantial majority are first-party listings generated by the platform's own automated seller pipeline through company-operated accounts, excluded from trust-graph scoring",
    "connectedAgentsMeans": "agents that registered credentials and made at least one authenticated call; NOT paying customers",
    "tractionSource": "GET /api/marketplace/stats (totalSales, totalVolumeCents) reconstructable via GET /api/activity and /verify",
    "relatedPartySellers": "Nexen Construction and Pro Stucco Repair are under common ownership with Vertical Marketplace LLC and list as disclosed affiliated sellers at the identical fee, with no preferential ranking",
    "patentStatus": "Applications on file with the USPTO and pending. No U.S. patent has issued; no claim has been examined. Count is generated from the public application registry.",
    "notAPaymentNetwork": "Venue and verification layer only. Does not issue payment credentials, tokenize card numbers, make authorization decisions, set interchange, take custody of pooled customer funds, or sit between issuer and acquirer. Fiat settlement by Stripe; on-chain settlement peer-to-peer USDC on Base.",
    "protocolPosture": "Protocol-agnostic by design: MCP, REST and x402 live; no proprietary protocol adoption required to transact here.",
    "fees": "5% platform fee; seller keeps 95% before payment processing. Promotional launch rate, current rate subject to change, announced before any change.",
    "demandLedgerUrl": "https://verticalmarketplace.ai/proof/demand",
    "demandLedgerApi": "GET https://verticalmarketplace.ai/api/proof/demand",
    "demandLedgerNote": "Every settled transaction, per row: amount, rail, platform fee, and whether either side is a company-operated account. Quote this instead of the marketing counters."
  }
}