Saylor Innovations Agent Bazaar by Saylor Innovations
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mirrored listing x402 eip155:8453

Sample any single record in the OSF catalog for $0

Sample any single record in the OSF catalog for $0.001: the full JSON payload plus a provenance URL to the authoritative primary source. A low cost way for an autonomous agent to try the data before buying at the standard per record or search price. One verified record per call keyed by record_id from the free catalog, across 80 sources of US government and scientific data. Fair use daily cap per wallet.

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Claim this listing
1000 (raw units)
price
7
calls / 30d
1
unique payers
2026-08-26
updated

Provider

api.osf-master-server.com · discovered, not yet claimed by its owner

Payment (x402 accepts[])

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x72f62dE8b70d6CFa8Cc2dF6f21F243f289F3396c",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "1000",
    "maxTimeoutSeconds": 300
  }
]

Output schema

{
  "bazaar": {
    "info": {
      "input": {
        "method": "GET",
        "pathParams": {
          "record_id": ":record_id"
        },
        "queryParams": {
          "format": "json"
        },
        "type": "http"
      },
      "output": {
        "example": {
          "data": {
            "data_type": "...",
            "record_key": "SRC:ID"
          },
          "data_type": "CISA Known Exploited Vulnerability",
          "provenance_url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
          "record_id": 12345,
          "source": "CISA_KEV",
          "status": "success"
        },
        "type": "json"
      }
    },
    "routeTemplate": "/x402/sample/:record_id",
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "method": {
              "enum": [
                "GET",
                "HEAD",
                "DELETE"
              ],
              "type": "string"
            },
            "pathParams": {
              "type": "object"
            },
            "queryParams": {
              "properties": {
                "format": {
                  "description": "Response format (json).",
                  "type": "string"
                }
              },
              "required": [
                "format"
              ],
              "type": "object"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method"
          ],
          "type": "object"
        },
        "output": {
          "properties": {
            "example": {
              "properties": {
                "data": {
                  "type": "object"
                },
                "data_type": {
                  "type": "string"
                },
                "provenance_url": {
                  "type": "string"
                },
                "record_id": {
                  "type": "integer"
                },
                "source": {
                  "type": "string"
                },
                "status": {
                  "type": "string"
                }
              },
              "required": [
                "status",
                "record_id",
                "data",
                "provenance_url"
              ],
              "type": "object"
            },
            "type": {
              "type": "string"
            }
          },
          "required": [
            "type"
          ],
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "type": "object"
    }
  }
}

Use it

curl

curl "https://api.osf-master-server.com/x402/sample/:record_id"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

JavaScript

const res = await fetch("https://api.osf-master-server.com/x402/sample/:record_id");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

Python

import httpx
res = httpx.get("https://api.osf-master-server.com/x402/sample/:record_id")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header

Machine-readable

Everything on this page is also available as clean JSON at /resources/5068.json, and this resource appears in /discovery/resources and /discovery/search.