{
  "name": "url.ventures Domain Desk",
  "description": "Graded valuation + provenance records for domain assets, paid per retrieval over x402 (USDC on Base). The flagship call is GET /record/{domain}.json.",
  "url": "https://domainregistrar.ai",
  "version": "1.1.0",
  "updated": "2026-10-02",
  "provider": {
    "organization": "url.ventures LLC",
    "url": "https://url.ventures",
    "contact": "https://domainregistrar.ai/offer?src=machine-access"
  },
  "serviceId": "domainregistrar.ai/domain-desk",
  "defaultInputModes": [
    "application/json"
  ],
  "defaultOutputModes": [
    "application/json"
  ],
  "capabilities": {
    "streaming": false,
    "pushNotifications": false,
    "payments": [
      "x402"
    ]
  },
  "authentication": {
    "schemes": [
      "x402"
    ],
    "note": "No account, no key. Pay the 402 challenge per call."
  },
  "payment": {
    "protocol": "x402",
    "x402Version": 2,
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "payTo": "0xc36Ebd47221604e5020f0AFbFC5E50678749db82",
    "per_call_cap": {
      "amount": "160000",
      "amount_usd": "0.16",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "decimals": 6,
      "note": "No priced path on this host ever asks more than this per call. One payment = one retrieval."
    },
    "receipt": {
      "format": "x402-v2 PAYMENT-RESPONSE",
      "header": "PAYMENT-RESPONSE",
      "encoding": "base64 JSON",
      "fields": {
        "success": "boolean",
        "transaction": "0x-prefixed transaction hash on Base (the receipt)",
        "network": "eip155:8453",
        "payer": "payer address"
      },
      "verify": "https://basescan.org/tx/{transaction}"
    },
    "manifest": "https://domainregistrar.ai/pay.json"
  },
  "skills": [
    {
      "id": "record",
      "name": "Graded valuation record for one domain asset",
      "description": "One domain asset's graded record: desk market view (WPS mid), data freshness per signal, evidence receipts and dated party-reported history. url.ventures' own work only: third-party appraisal figures are not part of the machine record. Evidence-first: unknown dates stay UNKNOWN, placeholders stay null.",
      "tags": [
        "domains",
        "valuation",
        "provenance",
        "market-data"
      ],
      "flagship": true,
      "endpoint": {
        "method": "GET",
        "url": "https://domainregistrar.ai/record/{domain}.json",
        "example": "https://domainregistrar.ai/record/freckles.ai.json"
      },
      "price": {
        "amount_usd": "0.16",
        "amount": "160000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "network": "eip155:8453"
      },
      "inputSchema": {
        "type": "object",
        "description": "Path parameter only. GET /record/{domain}.json, e.g. /record/freckles.ai.json. No query string, no body.",
        "properties": {
          "domain": {
            "type": "string",
            "pattern": "^[a-z0-9][a-z0-9.-]*\\.[a-z0-9-]+$",
            "description": "The domain asset, lowercase, e.g. freckles.ai"
          }
        },
        "required": [
          "domain"
        ],
        "additionalProperties": false
      },
      "outputSchema": {
        "type": "object",
        "description": "Graded valuation + provenance record for one domain asset (provenance engine P0). url.ventures' own evidence only: third-party appraisal figures are not part of this record.",
        "properties": {
          "asset": {
            "type": "string",
            "description": "the domain asset"
          },
          "valuation": {
            "type": "number",
            "description": "desk market view, USD"
          },
          "valuation_date": {
            "type": "string",
            "format": "date"
          },
          "valuation_source": {
            "type": "string"
          },
          "provenance_version": {
            "type": "string"
          },
          "confidence": {
            "type": "object",
            "description": "component scores; combined stays null until every component is real"
          },
          "data_freshness": {
            "type": "object",
            "description": "date of each underlying signal; UNKNOWN when the source does not disclose it"
          },
          "evidence": {
            "type": "object",
            "description": "public_comps, proprietary_comps, marketplace_listings, traffic_receipts, revenue_receipts, search_signals, routing_signals"
          },
          "history": {
            "type": "array",
            "description": "dated, party-reported price events on the record (registration, transactions); third-party appraisals are not included",
            "items": {
              "type": "object"
            }
          },
          "value_dimensions": {
            "type": "object"
          },
          "operating_evidence": {
            "type": "object"
          },
          "what_changed": {
            "type": [
              "array",
              "object",
              "string"
            ]
          }
        },
        "required": [
          "asset",
          "valuation",
          "valuation_date",
          "confidence",
          "data_freshness",
          "evidence"
        ]
      }
    },
    {
      "id": "catalog",
      "name": "Curated shelf (schema.org ItemList)",
      "description": "The domain assets on the curated shelf, as a schema.org ItemList, with grades and terms.",
      "tags": [
        "domains",
        "catalog",
        "for-sale",
        "market-data"
      ],
      "flagship": false,
      "endpoint": {
        "method": "GET",
        "url": "https://domainregistrar.ai/catalog.json",
        "example": "https://domainregistrar.ai/catalog.json"
      },
      "price": {
        "amount_usd": "0.16",
        "amount": "160000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "network": "eip155:8453"
      },
      "inputSchema": {
        "type": "object",
        "description": "No parameters.",
        "properties": {},
        "additionalProperties": false
      },
      "outputSchema": {
        "type": "object",
        "description": "schema.org ItemList of the domain assets on the curated shelf.",
        "properties": {
          "@context": {
            "type": "string"
          },
          "@type": {
            "type": "string"
          },
          "name": {
            "type": "string"
          },
          "numberOfItems": {
            "type": "integer"
          },
          "itemListElement": {
            "type": "array",
            "items": {
              "type": "object"
            }
          }
        },
        "required": [
          "@type",
          "itemListElement"
        ]
      }
    }
  ],
  "discovery": {
    "pay": "https://domainregistrar.ai/pay.json",
    "x402": "https://domainregistrar.ai/.well-known/x402.json",
    "openapi": "https://domainregistrar.ai/openapi.json",
    "llms_txt": "https://domainregistrar.ai/llms.txt",
    "agents_txt": "https://domainregistrar.ai/agents.txt"
  },
  "who_pays": "AI crawlers, agents and HTTP libraries pay on the two data paths only. People, search engines and citing agents read every HTML page and every discovery file free."
}