Api Endpoint

FractalAI x402 Notary

FractalAI Notary: pay for an independent ML-DSA-65 attestation of an x402 settlement.

Open interactive test console

Offering

Provider
fractalai.net.co
Method
POST
Offering type
Api Endpoint
Transport type
http
Category
Security
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://fractalai.net.co/api/x402/witness
MIME type
application/json
First seen
2026-10-16T01:50:06.715Z
Last seen
Tags
witness, notary, post-quantum, ml-dsa-65, X402

Payment pricing

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

Payment option 1
0.005 USDC
Atomic price: 5000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Payment option 2
0.005 USDC
Atomic price: 5000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Payment option 3
15920000000000000000 atomic units
Atomic price: 15920000000000000000 · Network: eip155:137 · Asset: 0x12050c705152931cFEe3DD56c52Fb09Dea816C23 · Scheme: exact
Payment option 4
94000 atomic units
Atomic price: 94000 · Network: eip155:8453 · Asset: 0xF197FFC28c23E0309B5559e7a166f2c6164C80aA · Scheme: exact
Payment option 5
94000 atomic units
Atomic price: 94000 · Network: eip155:42161 · Asset: 0xF197FFC28c23E0309B5559e7a166f2c6164C80aA · Scheme: exact
Payment option 6
27200000000000000 atomic units
Atomic price: 27200000000000000 · Network: eip155:137 · Asset: 0xE6A537a407488807F0bbeb0038B79004f19DDDFb · Scheme: exact
Payment option 7
27200000000000000 atomic units
Atomic price: 27200000000000000 · Network: eip155:137 · Asset: 0x4eD141110F6EeeAbA9A1df36d8c26f684d2475Dc · Scheme: exact
Payment option 8
7670000000000000000 atomic units
Atomic price: 7670000000000000000 · Network: eip155:480 · Asset: 0x0DC4F92879B7670e5f4e4e6e3c801D229129D90D · Scheme: exact
Payment option 9
7670000000000000000 atomic units
Atomic price: 7670000000000000000 · Network: eip155:8453 · Asset: 0x0DC4F92879B7670e5f4e4e6e3c801D229129D90D · Scheme: exact
Payment option 10
27200000000000000 atomic units
Atomic price: 27200000000000000 · Network: eip155:480 · Asset: 0xD76f5Faf6888e24D9F04Bf92a0c8B921FE4390e0 · Scheme: exact
Payment option 11
27200000000000000 atomic units
Atomic price: 27200000000000000 · Network: eip155:8453 · Asset: 0xD76f5Faf6888e24D9F04Bf92a0c8B921FE4390e0 · Scheme: exact
Payment option 12
94000000000000000 atomic units
Atomic price: 94000000000000000 · Network: eip155:480 · Asset: 0x337E7456B420bD3481e7FA61fA9850343d610d34 · Scheme: exact
Payment option 13
94000000000000000 atomic units
Atomic price: 94000000000000000 · Network: eip155:8453 · Asset: 0x337E7456B420bD3481e7FA61fA9850343d610d34 · Scheme: exact
Payment option 14
15920000000000000000 atomic units
Atomic price: 15920000000000000000 · Network: eip155:480 · Asset: 0x8a1D45e102e886510e891d2Ec656a708991e2D76 · Scheme: exact
Payment option 15
15920000000000000000 atomic units
Atomic price: 15920000000000000000 · Network: eip155:8453 · Asset: 0x8a1D45e102e886510e891d2Ec656a708991e2D76 · Scheme: exact
Payment option 16
15920000 atomic units
Atomic price: 15920000 · Network: eip155:137 · Asset: 0x55cF6b630d8AE6477DF63e194F0fd80ACFf05f86 · Scheme: exact
Payment option 17
15920000000000000000 atomic units
Atomic price: 15920000000000000000 · Network: eip155:42220 · Asset: 0x8A567e2aE79CA692Bd748aB832081C45de4041eA · Scheme: exact
Payment option 18
27200000000000000 atomic units
Atomic price: 27200000000000000 · Network: eip155:42220 · Asset: 0xe8537a3d056DA446677B9E9d6c5dB704EaAb4787 · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "5000",
    "payTo": "0xC13789e82661635d9Cea38a53A0390CF9939ef4f"
  },
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "5000",
    "payTo": "0xC13789e82661635d9Cea38a53A0390CF9939ef4f"
  },
  {
    "scheme": "exact",
    "network": "eip155:137",
    "asset": "0x12050c705152931cFEe3DD56c52Fb09Dea816C23",
    "amount": "15920000000000000000",
    "payTo": "0xC13789e82661635d9Cea38a53A0390CF9939ef4f"
  },
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0xF197FFC28c23E0309B5559e7a166f2c6164C80aA",
    "amount": "94000",
    "payTo": "0xC13789e82661635d9Cea38a53A0390CF9939ef4f"
  },
  {
    "scheme": "exact",
    "network": "eip155:42161",
    "asset": "0xF197FFC28c23E0309B5559e7a166f2c6164C80aA",
    "amount": "94000",
    "payTo": "0xC13789e82661635d9Cea38a53A0390CF9939ef4f"
  },
  {
    "scheme": "exact",
    "network": "eip155:137",
    "asset": "0xE6A537a407488807F0bbeb0038B79004f19DDDFb",
    "amount": "27200000000000000",
    "payTo": "0xC13789e82661635d9Cea38a53A0390CF9939ef4f"
  },
  {
    "scheme": "exact",
    "network": "eip155:137",
    "asset": "0x4eD141110F6EeeAbA9A1df36d8c26f684d2475Dc",
    "amount": "27200000000000000",
    "payTo": "0xC13789e82661635d9Cea38a53A0390CF9939ef4f"
  },
  {
    "scheme": "exact",
    "network": "eip155:480",
    "asset": "0x0DC4F92879B7670e5f4e4e6e3c801D229129D90D",
    "amount": "7670000000000000000",
    "payTo": "0xC13789e82661635d9Cea38a53A0390CF9939ef4f"
  },
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x0DC4F92879B7670e5f4e4e6e3c801D229129D90D",
    "amount": "7670000000000000000",
    "payTo": "0xC13789e82661635d9Cea38a53A0390CF9939ef4f"
  },
  {
    "scheme": "exact",
    "network": "eip155:480",
    "asset": "0xD76f5Faf6888e24D9F04Bf92a0c8B921FE4390e0",
    "amount": "27200000000000000",
    "payTo": "0xC13789e82661635d9Cea38a53A0390CF9939ef4f"
  },
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0xD76f5Faf6888e24D9F04Bf92a0c8B921FE4390e0",
    "amount": "27200000000000000",
    "payTo": "0xC13789e82661635d9Cea38a53A0390CF9939ef4f"
  },
  {
    "scheme": "exact",
    "network": "eip155:480",
    "asset": "0x337E7456B420bD3481e7FA61fA9850343d610d34",
    "amount": "94000000000000000",
    "payTo": "0xC13789e82661635d9Cea38a53A0390CF9939ef4f"
  },
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x337E7456B420bD3481e7FA61fA9850343d610d34",
    "amount": "94000000000000000",
    "payTo": "0xC13789e82661635d9Cea38a53A0390CF9939ef4f"
  },
  {
    "scheme": "exact",
    "network": "eip155:480",
    "asset": "0x8a1D45e102e886510e891d2Ec656a708991e2D76",
    "amount": "15920000000000000000",
    "payTo": "0xC13789e82661635d9Cea38a53A0390CF9939ef4f"
  },
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x8a1D45e102e886510e891d2Ec656a708991e2D76",
    "amount": "15920000000000000000",
    "payTo": "0xC13789e82661635d9Cea38a53A0390CF9939ef4f"
  },
  {
    "scheme": "exact",
    "network": "eip155:137",
    "asset": "0x55cF6b630d8AE6477DF63e194F0fd80ACFf05f86",
    "amount": "15920000",
    "payTo": "0xC13789e82661635d9Cea38a53A0390CF9939ef4f"
  },
  {
    "scheme": "exact",
    "network": "eip155:42220",
    "asset": "0x8A567e2aE79CA692Bd748aB832081C45de4041eA",
    "amount": "15920000000000000000",
    "payTo": "0xC13789e82661635d9Cea38a53A0390CF9939ef4f"
  },
  {
    "scheme": "exact",
    "network": "eip155:42220",
    "asset": "0xe8537a3d056DA446677B9E9d6c5dB704EaAb4787",
    "amount": "27200000000000000",
    "payTo": "0xC13789e82661635d9Cea38a53A0390CF9939ef4f"
  }
]

Observed health

Status
Healthy
Latest latency
231 ms
Average latency
885 ms
HTTP status
204
Last checked
Reachability
100% over 14 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": [
        "POST",
        "PUT",
        "PATCH"
      ]
    },
    "bodyType": {
      "type": "string",
      "enum": [
        "json",
        "form-data",
        "text"
      ]
    },
    "body": {
      "type": "object"
    },
    "queryParams": {
      "type": "object",
      "additionalProperties": {
        "type": "string"
      }
    },
    "headers": {
      "type": "object",
      "additionalProperties": {
        "type": "string"
      }
    }
  },
  "required": [
    "type",
    "method",
    "bodyType",
    "body"
  ],
  "additionalProperties": false
}

Output 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"
}