{
  "x402Version": 2,
  "id": 7694,
  "slug": "7694",
  "resource": "https://fractalai.net.co/api/x402/witness",
  "description": "FractalAI Notary: pay for an independent ML-DSA-65 attestation of an x402 settlement.",
  "type": "http",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0xC13789e82661635d9Cea38a53A0390CF9939ef4f",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "5000",
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0xC13789e82661635d9Cea38a53A0390CF9939ef4f",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "5000",
      "maxTimeoutSeconds": 300
    }
  ],
  "outputSchema": {
    "bazaar": {
      "body": {
        "seal_body": {
          "amount": "20000",
          "network": "eip155:8453",
          "payer": "0x…",
          "resource": "https://example.com/api/x402/thing",
          "transaction": "0x…"
        }
      },
      "bodyType": "json",
      "description": "FractalAI Notary: pay for an independent ML-DSA-65 attestation of an x402 settlement.",
      "info": {
        "input": {
          "body": {
            "seal_body": {
              "amount": "20000",
              "network": "eip155:8453",
              "payer": "0x…",
              "resource": "https://example.com/api/x402/thing",
              "transaction": "0x…"
            }
          },
          "bodyType": "json",
          "method": "POST",
          "type": "http"
        },
        "output": {
          "example": {
            "seal": {
              "algorithm": "ml-dsa-65",
              "content_id": "…",
              "signature": "…"
            }
          },
          "type": "json"
        }
      },
      "method": "POST",
      "output": {
        "example": {
          "seal": {
            "algorithm": "ml-dsa-65",
            "content_id": "…",
            "signature": "…"
          }
        },
        "schema": {
          "properties": {
            "payment": {
              "description": "This call's own settlement receipt.",
              "type": "object"
            },
            "seal": {
              "description": "Independently FractalAI-signed ML-DSA-65 attestation of the settlement.",
              "type": "object"
            }
          },
          "required": [
            "seal"
          ],
          "type": "object"
        },
        "type": "json"
      },
      "route_key": "POST /api/x402/witness",
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "body": {
                "type": "object"
              },
              "bodyType": {
                "enum": [
                  "json",
                  "form-data",
                  "text"
                ],
                "type": "string"
              },
              "headers": {
                "additionalProperties": {
                  "type": "string"
                },
                "type": "object"
              },
              "method": {
                "enum": [
                  "POST",
                  "PUT",
                  "PATCH"
                ],
                "type": "string"
              },
              "queryParams": {
                "additionalProperties": {
                  "type": "string"
                },
                "type": "object"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method",
              "bodyType",
              "body"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "example": {
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      },
      "serviceName": "FractalAI x402 Notary",
      "tags": [
        "witness",
        "notary",
        "post-quantum",
        "ml-dsa-65",
        "x402"
      ],
      "type": "http"
    }
  },
  "tags": [
    "bazaar"
  ],
  "sourceHost": "fractalai.net.co",
  "lastUpdated": "2026-09-17T03:31:20.086Z",
  "quality": {
    "calls30d": 3,
    "uniquePayers30d": 3,
    "lastCalledAt": "2026-09-17T03:31:19.681Z"
  },
  "liveness": {},
  "verified": false,
  "featured": false,
  "provider": {
    "host": "fractalai.net.co",
    "manifest_name": "fractalai.net.co",
    "source": "cdp-mirror",
    "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources",
    "submitted_at": "2026-09-18T22:00:31.484Z"
  }
}