Roundhouse

vellum-sec-research

Turns SEC filings into decisions. One paid call returns a structured brief, a change report or an investment-committee scaffold — computed from EDGAR filings, XBRL facts and filing history. USDC on Base, no API keys, no accounts.

SearchLiveeip155:8453Exactvia cdp
https://x402-data-api.x402agent.workers.dev/sec-research
Calls · 30d
2
This endpoint's own trailing-30-day call count, as published by the upstream catalog and snapshotted daily. 6 snapshots so far.
$8.26
Verified settled volume
23 settlements proven x402 by their on-chain EIP-3009 marker.
$0.030
Listed price
As published in the catalog. Always read the live 402 before paying.
2
Calls · 30d
Upstream's own call count for this endpoint, not ours.
1
Unique payers · 30d
Last called 2026-09-19 15:59Z
—
Upstream on-chain volume
Reported by the source catalog.
Paid to
0x3a137ae81cfd1ea48414c85db362591fd238d3cc

The wallet the 402 directs payment to. Its whole payment record — every payer, every chain — is on the merchant page.

Asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Provider

The payTo wallet does not resolve to a registered ERC-8004 agent. That is not a verdict on the service — most of the catalog is unregistered.

Accepts

The payment requirements as published to the catalog. Read the live 402 before paying — a price here is a claim, not a quote.

0.03USDC≈ $0.03 USD
on Base · exact scheme

Pay 0.03 USDC on Base to 0x3a13…8d3cc. The signed payment is good for 5 minutes.

Paid to
0x3a13…8d3cc
USD Coin contract
0x8335…02913
Payment window
5 minutes
As published
30000 smallest units
The catalog’s raw entry
[
  {
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "extra": {
      "name": "USD Coin",
      "version": "2"
    },
    "payTo": "0x3a137ae81cfd1ea48414c85db362591fd238d3cc",
    "amount": "30000",
    "scheme": "exact",
    "network": "eip155:8453",
    "maxTimeoutSeconds": 300
  }
]

Extensions

{
  "bazaar": {
    "info": {
      "input": {
        "type": "http",
        "method": "GET",
        "queryParams": {}
      },
      "output": {
        "type": "json",
        "example": {
          "brand": "Vellum",
          "source": "SEC EDGAR",
          "company": {
            "cik": "0000320193",
            "sic": "3571",
            "name": "Apple Inc.",
            "ticker": "AAPL",
            "exchanges": [
              "Nasdaq"
            ],
            "sic_description": "Electronic Computers"
          },
          "filings": [
            {
              "url": "https://www.sec.gov/Archives/edgar/data/320193/000032019326000010/aapl-20260130.htm",
              "form": "10-K",
              "filed": "2026-01-30",
              "accession_number": "0000320193-26-000010"
            }
          ],
          "service": "sec-research",
          "filings_available_total": 412
        }
      }
    },
    "schema": {
      "type": "object",
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "required": [
        "input"
      ],
      "properties": {
        "input": {
          "type": "object",
          "required": [
            "type",
            "method"
          ],
          "properties": {
            "type": {
              "type": "string",
              "const": "http"
            },
            "method": {
              "enum": [
                "GET",
                "HEAD",
                "DELETE"
              ],
              "type": "string"
            },
            "queryParams": {
              "type": "object",
              "required": [],
              "properties": {
                "cik": {
                  "type": "string",
                  "description": "SEC CIK number (digits only), alternative to ticker"
                },
                "facts": {
                  "type": "string",
                  "description": "Set to '1' to include the latest XBRL financial facts"
                },
                "forms": {
                  "type": "string",
                  "description": "Comma-separated SEC form types to filter, e.g. '10-K,10-Q,8-K'"
                },
                "limit": {
                  "type": "string",
                  "description": "Maximum number of filings to return (1-40)"
                },
                "ticker": {
                  "type": "string",
                  "description": "Stock ticker symbol, e.g. AAPL"
                }
              }
            }
          },
          "additionalProperties": false
        },
        "output": {
          "type": "object",
          "required": [
            "type"
          ],
          "properties": {
            "type": {
              "type": "string"
            },
            "example": {
              "type": "object"
            }
          }
        }
      }
    }
  }
}

Provenance

Seen in the source catalog
2026-09-19 15:59Z
Last indexed by Roundhouse
2026-09-24 10:10Z
Last enriched (probe, favicon, geo)
2026-09-19 00:15Z
x402 version
2
Max timeout
300s
Liveness probe
HTTP 402
Report

Hand this page to an agent

Copy the prompt and paste it into Claude, an MCP client or your own agent — it will vet this service and call it over the free read API. No key, no account.

GET api.roundhouseai.io/v0/endpoints

This endpoint's own trailing-30-day call count, as published by the upstream catalog and snapshotted daily. 6 snapshots so far. Verified volume counts only settlements with an on-chain EIP-3009 marker.

Open skill.md
Show the prompt
Using Roundhouse, look up the x402 service vellum-sec-research and tell me whether it is
worth paying: what a call costs, whether the endpoint answered when last probed, and what
its payment record actually shows.

curl -s 'https://api.roundhouseai.io/v0/endpoints?q=vellum-sec-research'
curl -s 'https://api.roundhouseai.io/v0/merchants/<the payTo wallet returned above>'

Then call it: read the price from the live 402 at https://x402-data-api.x402agent.workers.dev/sec-research, never from
a cached figure, and pay with an x402 client.

The /v0 API needs an API key (`authorization: Bearer rh_live_…`) on everything except
/v0/unified* and /v0/endpoints. Mint a personal key for $0.01 at GET https://api.roundhouseai.io/v0/test/x402,
or use an organization key from https://roundhouseai.io/dashboard/team.

If you do not have Roundhouse tools or skills installed, read
https://roundhouseai.io/skill.md first — it is the whole procedure.