Api Endpoint

notarize

Notarize a public URL: we fetch it ourselves and return a signed snapshot (final URL, HTTP status, content-type, sha256 of the body, server timestamp, upstream host) with TWO cryptographic attestations — a plain EIP-712 signature and an EAS off-chain (Version2) attestation. Proves what this endpoint observed at fetch time (integrity + timestamp + non-repudiation). mode=hash (default) returns metadata + hash only; mode=full also returns the body.

Open interactive test console

Offering

Provider: api.agentstools.dev
Method: GET
Offering type: Api Endpoint
Transport type: http
Category: Security
Delivery: Not provided
Pricing model: Not provided
x402 version: 2

Endpoint context

URL: https://api.agentstools.dev/notarize
MIME type: application/json
First seen: 2026-10-16T01:50:45.949Z
Last seen: 2026-11-05T01:19:32.599Z
Tags: attestation, notarize, provenance, eip712, eas, signature, SHA256, timestamp, verifiable, integrity, web-proof, oracle

Website

Payment pricing

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

Payment option 1: 0.008 USDC
Atomic price: 8000 · Network: eip155:8453 · Asset: USDC · Scheme: exact

Raw x402 terms

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "8000",
    "payTo": "0xF22e558a00D91Ee12A1F50C52186FecB8dDFf493"
  }
]

Observed health

Status: Healthy
Latest latency: 394 ms
Average latency: 1160 ms
HTTP status: 402
Last checked: 2026-11-05T01:19:32.593Z
Reachability: 100% over 12 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",
        "HEAD",
        "DELETE"
      ]
    },
    "queryParams": {
      "type": "object",
      "properties": {
        "url": {
          "type": "string",
          "description": "Public http(s) URL to fetch and notarize"
        },
        "mode": {
          "type": "string",
          "enum": [
            "hash",
            "full"
          ],
          "description": "hash = metadata + sha256 only (default); full = also return the fetched body (base64)"
        },
        "network": {
          "type": "string",
          "description": "Reserved (attestations are chainId 8453 / Base)"
        }
      },
      "required": [
        "url"
      ]
    }
  },
  "required": [
    "type",
    "method"
  ],
  "additionalProperties": false
}

Output schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "method": {
          "enum": [
            "GET",
            "HEAD",
            "DELETE"
          ],
          "type": "string"
        },
        "queryParams": {
          "properties": {
            "mode": {
              "description": "hash = metadata + sha256 only (default); full = also return the fetched body (base64)",
              "enum": [
                "hash",
                "full"
              ],
              "type": "string"
            },
            "network": {
              "description": "Reserved (attestations are chainId 8453 / Base)",
              "type": "string"
            },
            "url": {
              "description": "Public http(s) URL to fetch and notarize",
              "type": "string"
            }
          },
          "required": [
            "url"
          ],
          "type": "object"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "type": "object"
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}