NFT Insight (Scam Check, Owners).

GET https://x402.professorsausages.com/nft/{chain}/collection/{address}/sales/live ↗

Recent normalized sales — always fetched fresh

Eligibility: unprobeable
Failures: 0
Last quote: —
Last probe: —

Payment requirements / accepts[] 1 options

State	Network	Scheme	Atomic amount	Asset	payTo / untrusted
active	eip155:8453	exact	15000	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	0x54ebFCF3870439B9db62381848c5DabC05c70d5B

All advertised payment options are stored. Base (`eip155:8453`) is the operational network for ranking and canaries; non-Base options remain visible for transparency.

Probe evidence 0 recent

No probe attempts recorded yet. Coverage runs prioritize never-probed endpoints.

Machine contract

Schemas.

InputJSON

{
  "method": "GET",
  "queryParams": {
    "limit": "Sales to return, 1–100 (default 50)."
  },
  "type": "http"
}

OutputJSON

{
  "properties": {
    "address": {
      "type": "string"
    },
    "chain": {
      "type": "string"
    },
    "data_state": {
      "description": "Present only when the sales list is empty (a valid state).",
      "enum": [
        "NO_SALES_RECORDED"
      ],
      "type": "string"
    },
    "freshness": {
      "properties": {
        "as_of": {
          "description": "ISO timestamp of the upstream data capture.",
          "type": "string"
        },
        "max_age_seconds": {
          "description": "86400 on the cached tier, 0 on live.",
          "type": "integer"
        },
        "tier": {
          "enum": [
            "cached",
            "live"
          ],
          "type": "string"
        }
      },
      "required": [
        "tier",
        "max_age_seconds",
        "as_of"
      ],
      "type": "object"
    },
    "price_method": {
      "type": "string"
    },
    "sales": {
      "items": {
        "properties": {
          "block": {
            "type": [
              "integer",
              "null"
            ]
          },
          "buyer": {
            "type": [
              "string",
              "null"
            ]
          },
          "marketplace": {
            "type": [
              "string",
              "null"
            ]
          },
          "price": {
            "description": "Total the buyer paid: decimal-string amount + currency symbol.",
            "properties": {
              "amount": {
                "type": "string"
              },
              "symbol": {
                "type": "string"
              }
            },
            "type": [
              "object",
              "null"
            ]
          },
          "quantity": {
            "type": [
              "string",
              "null"
            ]
          },
          "seller": {
            "type": [
              "string",
              "null"
            ]
          },
          "taker": {
            "type": [
              "string",
              "null"
            ]
          },
          "tokenId": {
            "type": [
              "string",
              "null"
            ]
          },
          "tx": {
            "type": [
              "string",
              "null"
            ]
          }
        },
        "type": "object"
      },
      "type": "array"
    },
    "summary": {
      "properties": {
        "count": {
          "type": "integer"
        },
        "marketplaces": {
          "description": "Sales per marketplace.",
          "type": "object"
        },
        "median_price": {
          "description": "Median over the dominant currency.",
          "type": [
            "object",
            "null"
          ]
        }
      },
      "type": "object"
    }
  },
  "required": [
    "chain",
    "address",
    "sales",
    "summary",
    "price_method",
    "freshness"
  ],
  "type": "object"
}