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mirrored listing x402 eip155:8453

Human or synthetic? Provenance evidence for a URL: archive first-capture date, domain age,

Human or synthetic? Provenance evidence for a URL: archive first-capture date, domain age, authorship markup, curated source tier, AI disclosures and stylometric signals, aggregated into a calibrated 0-100 human-origin score with every piece of evidence. Add deep=true for an LLM stylometric assessment.

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10000 (raw units)
price
3
calls / 30d
1
unique payers
2026-09-09
updated

Provider

toll402.dev · discovered, not yet claimed by its owner

Payment (x402 accepts[])

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x318d34fa0bd69eff17fac648d2df8cf7a88b3dbe",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "10000",
    "maxTimeoutSeconds": 300
  }
]

Output schema

{
  "bazaar": {
    "info": {
      "input": {
        "body": {
          "deep": false,
          "url": "https://en.wikipedia.org/wiki/Turing_test"
        },
        "bodyType": "json",
        "method": "POST",
        "type": "http"
      },
      "output": {
        "example": {
          "confidence": 0.9,
          "evidence": [
            {
              "direction": "human",
              "signal": "wayback_first_capture",
              "value": "2003-05-12T00:00:00Z"
            }
          ],
          "firstArchived": "2003-05-12T00:00:00Z",
          "humanOriginScore": 82,
          "source": {
            "tier": 1
          },
          "verdict": "likely_human"
        },
        "type": "json"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "body": {
              "additionalProperties": false,
              "properties": {
                "deep": {
                  "default": true,
                  "description": "Also run an LLM stylometric assessment (only when the server has an LLM key)",
                  "type": "boolean"
                },
                "url": {
                  "description": "Public URL to assess",
                  "format": "uri",
                  "type": "string"
                }
              },
              "required": [
                "url"
              ],
              "type": "object"
            },
            "bodyType": {
              "enum": [
                "json",
                "form-data",
                "text"
              ],
              "type": "string"
            },
            "method": {
              "enum": [
                "POST"
              ],
              "type": "string"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method",
            "bodyType",
            "body"
          ],
          "type": "object"
        },
        "output": {
          "properties": {
            "example": {
              "properties": {
                "ms": {
                  "type": "integer"
                },
                "ok": {
                  "type": "boolean"
                },
                "result": {
                  "properties": {
                    "confidence": {
                      "type": "number"
                    },
                    "evidence": {
                      "items": {
                        "properties": {
                          "direction": {
                            "type": "string"
                          },
                          "signal": {
                            "type": "string"
                          },
                          "value": {
                            "type": "string"
                          }
                        },
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "firstArchived": {
                      "type": "string"
                    },
                    "humanOriginScore": {
                      "type": "integer"
                    },
                    "source": {
                      "properties": {
                        "tier": {
                          "type": "integer"
                        }
                      },
                      "type": "object"
                    },
                    "verdict": {
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "tool": {
                  "type": "string"
                }
              },
              "type": "object"
            },
            "type": {
              "type": "string"
            }
          },
          "required": [
            "type"
          ],
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "type": "object"
    }
  }
}

Use it

curl

curl "https://toll402.dev/v1/provenance"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

JavaScript

const res = await fetch("https://toll402.dev/v1/provenance");
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://toll402.dev/v1/provenance")
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/7046.json, and this resource appears in /discovery/resources and /discovery/search.