{ "x402Version": 2, "id": 52458, "slug": "52458", "resource": "https://x402.professorsausages.com/13f-holdings/top", "description": "Largest 13F managers for a quarter by total reported value — institutional leaderboard and discovery surface", "type": "http", "serviceName": "13F Institutional Holdings", "resourceType": "Agent Service", "accepts": [ { "scheme": "exact", "network": "eip155:8453", "payTo": "0x54ebFCF3870439B9db62381848c5DabC05c70d5B", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "amount": "20000", "amountUsd": 0.02, "maxTimeoutSeconds": 60 } ], "outputSchema": { "type": "object" }, "extensions": { "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": { "about": { "description": "What this response is and where its data comes from, in one sentence.", "type": "string" }, "found": { "description": "false = a definitive miss — still a complete, paid answer with domain fields present-but-null and a `why` block.", "type": "boolean" }, "freshness": { "description": "How fresh the data is, measured when you called. `age_seconds` is the number to act on; `max_age_seconds` is the refresh cadence (null = deterministic, cannot go stale).", "properties": { "age_seconds": { "minimum": 0, "type": "integer" }, "as_of": { "description": "Newest datum this answer is based on (ISO 8601).", "type": "string" }, "max_age_seconds": { "minimum": 0, "type": [ "integer", "null" ] }, "note": { "type": "string" }, "tier": { "example": "nightly", "type": "string" } }, "required": [ "tier", "as_of", "age_seconds", "max_age_seconds" ], "type": "object" }, "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" ] }, "related": { "additionalProperties": { "type": "string" }, "description": "Next steps as paths on this origin. Each is priced by its own 402 challenge; GET /.well-known/x402 prices the whole origin in one free call.", "type": "object" }, "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=related&from=13f-holdings", "message": "You called 13F Institutional Holdings. Agents doing finance work commonly also use these — same pay-per-call model, each with a FREE real sample record (freeSample link):", "related": [ { "call": "/company?ref=xsell&v=related&from=13f-holdings", "freeSample": "/company/sample?ref=xsell&v=related&from=13f-holdings", "name": "Company Enrichment (SEC EDGAR)", "summary": "Company enrichment for agents — hand over a ticker, CIK, or name and get ground-truth SEC identity plus fin…" }, { "call": "/sec-10k?ref=xsell&v=related&from=13f-holdings", "freeSample": "/sec-10k/sample?ref=xsell&v=related&from=13f-holdings", "name": "SEC Annual Report (10-K)", "summary": "U.S" }, { "call": "/sec-10q?ref=xsell&v=related&from=13f-holdings", "freeSample": "/sec-10q/sample?ref=xsell&v=related&from=13f-holdings", "name": "SEC Quarterly Report (10-Q)", "summary": "U.S" } ], "strategy": "related" }, "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" } }, "tags": [ "13f", "sec", "edgar", "institutional", "hedge-funds", "bazaar", "catalog", "discount", "help", "sample", "suggest" ], "sourceHost": "x402.professorsausages.com", "lastUpdated": "2026-09-20T02:04:04.458Z", "quality": { "calls30d": 1, "uniquePayers30d": 1, "lastCalledAt": "2026-09-20T02:04:04.305Z" }, "metadata": { "serviceName": "13F Institutional Holdings", "extensions": { "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": { "about": { "description": "What this response is and where its data comes from, in one sentence.", "type": "string" }, "found": { "description": "false = a definitive miss — still a complete, paid answer with domain fields present-but-null and a `why` block.", "type": "boolean" }, "freshness": { "description": "How fresh the data is, measured when you called. `age_seconds` is the number to act on; `max_age_seconds` is the refresh cadence (null = deterministic, cannot go stale).", "properties": { "age_seconds": { "minimum": 0, "type": "integer" }, "as_of": { "description": "Newest datum this answer is based on (ISO 8601).", "type": "string" }, "max_age_seconds": { "minimum": 0, "type": [ "integer", "null" ] }, "note": { "type": "string" }, "tier": { "example": "nightly", "type": "string" } }, "required": [ "tier", "as_of", "age_seconds", "max_age_seconds" ], "type": "object" }, "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" ] }, "related": { "additionalProperties": { "type": "string" }, "description": "Next steps as paths on this origin. Each is priced by its own 402 challenge; GET /.well-known/x402 prices the whole origin in one free call.", "type": "object" }, "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=related&from=13f-holdings", "message": "You called 13F Institutional Holdings. Agents doing finance work commonly also use these — same pay-per-call model, each with a FREE real sample record (freeSample link):", "related": [ { "call": "/company?ref=xsell&v=related&from=13f-holdings", "freeSample": "/company/sample?ref=xsell&v=related&from=13f-holdings", "name": "Company Enrichment (SEC EDGAR)", "summary": "Company enrichment for agents — hand over a ticker, CIK, or name and get ground-truth SEC identity plus fin…" }, { "call": "/sec-10k?ref=xsell&v=related&from=13f-holdings", "freeSample": "/sec-10k/sample?ref=xsell&v=related&from=13f-holdings", "name": "SEC Annual Report (10-K)", "summary": "U.S" }, { "call": "/sec-10q?ref=xsell&v=related&from=13f-holdings", "freeSample": "/sec-10q/sample?ref=xsell&v=related&from=13f-holdings", "name": "SEC Quarterly Report (10-Q)", "summary": "U.S" } ], "strategy": "related" }, "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" } } }, "liveness": { "reliability": null }, "verified": false, "featured": false, "provider": { "host": "x402.professorsausages.com", "manifest_name": "x402.professorsausages.com", "source": "cdp-mirror", "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources", "submitted_at": "2026-10-14T01:15:01.050Z" }, "exampleResponse": {} }