Index onlineMerchant portal
Api Endpoint

Otto AI

13F holdings for any SEC-filing manager (hedge funds, asset managers) by CIK or manager ticker: latest 13F top 20 positions, amendments applied (hourly snapshot, ~1h correction lag): issuer, CUSIP, value in whole USD, share/principal amount (SH/PRN), put/call flag, reported value, position count. Whale tracking from the primary source. 13F holdings, hedge fund positions, institutional ownership. Public-domain SEC EDGAR. $0.003 per call.

Open interactive test console

Offering

Provider
x402.ottoai.services
Method
GET
Offering type
Api Endpoint
Transport type
http
Category
Financial Analysis
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://x402.ottoai.services/institutional-holdings
MIME type
application/json
First seen
2026-10-16T01:50:14.534Z
Last seen
Tags
13f holdings, hedge funds, institutional, whale tracking, SEC filings

Website

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1
0.003 USDC
Atomic price: 3000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Payment option 2
0.003 USDC
Atomic price: 3000 · Network: solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "3000",
    "payTo": "0x0E84dDEdAaE6A779c462C22a59F301EC31B6b808"
  },
  {
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "3000",
    "payTo": "6XcSfqJHr9vNW2vbiRaMqUYVm7shDgLepca54wUTDPN5"
  }
]

Observed health

Status
Healthy
Latest latency
135 ms
Average latency
490 ms
HTTP status
402
Last checked
Reachability
100% over 15 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "const": "http"
    },
    "method": {
      "type": "string",
      "enum": [
        "GET"
      ]
    },
    "queryParams": {
      "type": "object",
      "properties": {
        "manager": {
          "type": "string",
          "description": "SEC CIK number of the manager (e.g. 1067983 for Berkshire Hathaway), or the ticker of a publicly-listed manager (e.g. BLK)"
        }
      },
      "required": [
        "manager"
      ]
    }
  },
  "required": [
    "type",
    "method"
  ],
  "additionalProperties": false
}

Output schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "method": {
          "enum": [
            "GET"
          ],
          "type": "string"
        },
        "queryParams": {
          "properties": {
            "manager": {
              "description": "SEC CIK number of the manager (e.g. 1067983 for Berkshire Hathaway), or the ticker of a publicly-listed manager (e.g. BLK)",
              "type": "string"
            }
          },
          "required": [
            "manager"
          ],
          "type": "object"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "properties": {
            "data": {},
            "meta": {
              "type": "object"
            },
            "reason": {
              "description": "status=unavailable only; every >=400 is UNCHARGED",
              "type": "string"
            },
            "status": {
              "enum": [
                "success",
                "unavailable"
              ],
              "type": "string"
            }
          },
          "required": [
            "status"
          ],
          "type": "object"
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}