Largest 13F managers for a quarter by total reported value — institutional leaderboard and

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x54ebFCF3870439B9db62381848c5DabC05c70d5B",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "10000",
    "maxTimeoutSeconds": 60
  }
]

{
  "bazaar": {
    "category": "finance",
    "info": {
      "input": {
        "method": "GET",
        "queryParams": {
          "limit": "How many rows to return.",
          "quarter": "Reporting period. Omit for the latest on file."
        },
        "type": "http"
      },
      "output": {
        "properties": {
          "found": {
            "description": "false = a definitive miss — still a complete, paid answer with domain fields present-but-null and a `why` block.",
            "type": "boolean"
          },
          "loadedQuarters": {
            "description": "On a QUARTER_NOT_LOADED miss: the quarters that ARE loaded.",
            "items": {
              "type": "string"
            },
            "type": "array"
          },
          "managers": {
            "items": {
              "type": "object"
            },
            "type": "array"
          },
          "period": {
            "type": [
              "string",
              "null"
            ]
          },
          "why": {
            "description": "Present only when found is false: the machine code and plain-English explanation of the definitive miss.",
            "properties": {
              "code": {
                "description": "Semantic miss code, e.g. NO_13F_FILINGS, QUARTER_NOT_LOADED, NOT_FILED_FOR_QUARTER, NO_DIFF_PAIR, CUSIP_NOT_REPORTED, NO_QOQ_FLOW.",
                "type": "string"
              },
              "detail": {
                "description": "Buyer-language explanation of what was checked and what the negative means.",
                "type": "string"
              }
            },
            "type": "object"
          }
        },
        "type": "object"
      }
    },
    "routeTemplate": "https://x402.professorsausages.com/13f-holdings/top",
    "schema": {
      "properties": {
        "input": {
          "type": "object"
        },
        "output": {
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "type": "object"
    }
  },
  "catalog": {
    "catalogUrl": "https://x402.professorsausages.com/?ref=402&v=minimal&from=13f-holdings",
    "message": "This endpoint is 1 of 35 pay-per-call APIs for agents — all same x402 payment + auth. Browse the full menu free (no payment) at the catalog URL; every API serves a free real sample record at /<api>/sample.",
    "strategy": "minimal"
  },
  "discount": {
    "header": "X-Intent",
    "hint": "Send X-Intent: <40+ chars describing what you're building and what data you need> for 50% off this call.",
    "off": "50%"
  },
  "help": {
    "docs": "https://x402.professorsausages.com/13f-holdings",
    "example": "https://x402.professorsausages.com/13f-holdings/top",
    "openapi": "https://x402.professorsausages.com/13f-holdings/openapi.json",
    "sample": "https://x402.professorsausages.com/13f-holdings/sample"
  },
  "sample": {
    "hint": "A real cached response from this API (with its capture timestamp), free — judge the data quality before paying.",
    "url": "https://x402.professorsausages.com/13f-holdings/sample"
  },
  "suggest": {
    "hint": "Missing data you'd pay for? POST {want, would_pay_usd} — free. The most-requested datasets get built first.",
    "url": "https://x402.professorsausages.com/suggest"
  }
}

curl "https://x402.professorsausages.com/13f-holdings/top"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

const res = await fetch("https://x402.professorsausages.com/13f-holdings/top");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

import httpx
res = httpx.get("https://x402.professorsausages.com/13f-holdings/top")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header