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Scrooge Tool Mill

payment-readyonline

payment-ready until 2026-11-14

Pay-per-call page-intel APIs for agents via HTTP 402 / x402.

scrooge-x402-tool-mill.vercel.app ↗

Call it x402 v2

x402 v2

Base URL
https://scrooge-x402-tool-mill.vercel.app
Payment
x402 v2, header channel
$ curl -i 'https://scrooge-x402-tool-mill.vercel.app/v1/batch-meta'

An unpaid request returns HTTP 402 with the payment terms. Sign a payment authorization, then retry with the PAYMENT-SIGNATURE header.

Endpoints 8 paid routes on scrooge-x402-tool-mill.vercel.app

GET/v1/batch-metaBase$0.15since 09-23
GET/v1/change-fingerprintBase$0.04since 09-23
GET/v1/company-cardBase$0.03since 10-28
GET/v1/link-graphBase$0.03since 09-23
GET/v1/page-metaBase$0.002since 09-23
GET/v1/readable-textBase$0.05since 09-23
GET/v1/structured-dataBase$0.01since 10-28
POST/v1/watchBase$0.10since 10-28

Prices as captured in the 402 response: median $0.035 across the 8 endpoints.

Example 402 response

Endpoints and prices

Current paid endpoints; minimum quoted prices in USD where available; first capture dates in UTC
MethodPathDescriptionPriceNetworkAsset402 channelCaptured
GET/v1/batch-metax402 GET probe for batch-meta. Same $0.15 USDC challenge on Base (eip155:8453). Workhorse is POST JSON {"urls":["https://..."]} (1–10). Success body is {results:[{url,ok,meta|error}]}. No API key.$0.15BaseUSDCheadersince 09-23
GET/v1/change-fingerprintx402 GET alias for change-fingerprint. Same $0.04 USDC challenge on Base (eip155:8453). Unpaid probe returns 402. Paid ?url= returns url, etag, lastModified, contentHash, byteLength, fetchedAt. Workhorse is POST. No API key.$0.04BaseUSDCheadersince 09-23
GET/v1/company-cardPublic-record company profile for a domain: legal name, domain age, registrar, LEI, and social links. Merges homepage Organization JSON-LD, RDAP, GLEIF, and Wikidata. Each filled field names its source. POST JSON {"domain":"coinbase.com"} or {"url":"https://www.coinbase.com"}. Nothing found is HTTP 200 with nulls, not an error. $0.03 USDC on Base (eip155:8453). No API key.$0.03BaseUSDCheadersince 10-28
GET/v1/link-graphx402 GET alias for link-graph. Same $0.03 USDC challenge on Base (eip155:8453). Unpaid probe returns 402. Paid ?url=&maxLinks= returns url, title, links[{href,text?}], count. Optional maxLinks 1–50. Workhorse is POST. No API key.$0.03BaseUSDCheadersince 09-23
GET/v1/page-metax402 GET alias for page-meta. Same $0.002 USDC challenge on Base (eip155:8453). Unpaid probe returns 402. Paid ?url= returns title, description, canonical, ogImage, language, excerpt (no url field). Workhorse is POST. No API key.$0.002BaseUSDCheadersince 09-23
GET/v1/readable-textx402 GET alias for readable-text. Same $0.05 USDC challenge on Base (eip155:8453). Unpaid probe returns 402. Paid ?url=&maxChars= returns url, title, text, wordCount, language, fetchedAt. Optional maxChars 1–12000. Workhorse is POST. No API key.$0.05BaseUSDCheadersince 09-23
GET/v1/structured-datax402 GET alias for structured-data. Same $0.01 USDC challenge on Base (eip155:8453). Unpaid probe returns 402. Paid ?url= returns url, finalUrl, types, entities, jsonLd, openGraph, counts, fetchedAt. Workhorse is POST. No API key.$0.01BaseUSDCheadersince 10-28
POST/v1/watchWatch one public page for 7 days. Checks hourly. When the content hash changes, POST {watch_id,url,old_fingerprint,new_fingerprint,changed_at} to your https callback (5s timeout, one retry). POST JSON {"url":"https://example.com","callback_url":"https://example.com/hook"}. Returns {watch_id,url,expires,status_url}. Free status is GET /v1/watch/:id and does not show the callback. At 500 active watches, POST returns 503 before payment. $0.10 USDC on Base (eip155:8453). No API key.$0.10BaseUSDCheadersince 10-28

Payment evidence

402 payload captured at . Check evidence JSON · Measurement methodology.

First of 8 payloads captured by the monitor.

232 lines, scroll inside

{
  "error": "Payment required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0xfE2353C808F2409cCb81508005A62cef29457706",
      "amount": "30000",
      "scheme": "exact",
      "network": "eip155:8453",
      "maxTimeoutSeconds": 300
    }
  ],
  "resource": {
    "url": "https://scrooge-x402-tool-mill.vercel.app/v1/company-card",
    "mimeType": "application/json",
    "description": "x402 GET alias for company-card. Same $0.03 USDC challenge on Base (eip155:8453). Unpaid probe returns 402. Paid ?domain= returns domain, name, legalName, description, logo, sameAs, registrar, domainCreated, domainAgeDays, lei, country, wikidataId, sources, fetchedAt. Workhorse is POST. No API key."
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {
            "domain": "coinbase.com"
          }
        },
        "output": {
          "type": "json",
          "example": {
            "lei": null,
            "logo": null,
            "name": "Coinbase",
            "domain": "coinbase.com",
            "sameAs": [],
            "country": null,
            "sources": {
              "name": "wikidata",
              "registrar": "rdap",
              "wikidataId": "wikidata",
              "description": "wikidata",
              "domainAgeDays": "rdap",
              "domainCreated": "rdap"
            },
            "fetchedAt": "2026-10-05T00:00:00.000Z",
            "legalName": null,
            "registrar": "MarkMonitor Inc.",
            "wikidataId": "Q16972754",
            "description": "American company that operates a cryptocurrency exchange platform",
            "domainAgeDays": 5564,
            "domainCreated": "2011-07-02T18:23:22Z"
          }
        }
      },
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "required": [
          "input"
        ],
        "properties": {
          "input": {
            "type": "object",
            "required": [
              "type",
              "method"
            ],
            "properties": {
              "type": {
                "type": "string",
                "const": "http"
              },
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "queryParams": {
                "type": "object",
                "properties": {
                  "domain": {
                    "type": "string",
                    "description": "Public domain, www. stripped. Example: coinbase.com"
                  }
                }
              }
            },
            "additionalProperties": false
          },
          "output": {
            "type": "object",
            "required": [
              "type"
            ],
            "properties": {
              "type": {
                "type": "string"
              },
              "example": {
                "type": "object",
                "required": [
                  "domain",
                  "name",
                  "legalName",
                  "description",
                  "logo",
                  "sameAs",
                  "registrar",
                  "domainCreated",
                  "domainAgeDays",
                  "lei",
                  "country",
                  "wikidataId",
                  "sources",
                  "fetchedAt"
                ],
                "properties": {
                  "lei": {
                    "type": [
                      "string",
                      "null"
                    ],
                    "description": "GLEIF LEI, top match only"
                  },
                  "logo": {
                    "type": [
                      "string",
                      "null"
                    ],
                    "description": "Organization logo URL from homepage JSON-LD"
                  },
                  "name": {
                    "type": [
                      "string",
                      "null"
                    ],
                    "description": "Organization name"
                  },
                  "domain": {
                    "type": "string",
                    "description": "Hostname with www. stripped"
                  },
                  "sameAs": {
                    "type": "array",
                    "items": {
                      "type": "string"
                    },
                    "description": "Organization sameAs URLs"
                  },
                  "country": {
                    "type": [
                      "string",
                      "null"
                    ],
                    "description": "GLEIF legal-address country"
                  },
                  "sources": {
                    "type": "object",
                    "description": "Which source filled each field",
                    "additionalProperties": {
                      "enum": [
                        "jsonld",
                        "rdap",
                        "gleif",
                        "wikidata"
                      ],
                      "type": "string"
                    }
                  },
                  "fetchedAt": {
                    "type": "string",
                    "format": "date-time"
                  },
                  "legalName": {
                    "type": [
                      "string",
                      "null"
                    ],
                    "description": "GLEIF legal name"
                  },
                  "registrar": {
                    "type": [
                      "string",
                      "null"
                    ],
                    "description": "RDAP registrar name"
                  },
                  "wikidataId": {
                    "type": [
                      "string",
                      "null"
                    ],
                    "description": "Wikidata QID when the official website matches"
                  },
                  "description": {
                    "type": [
                      "string",
                      "null"
                    ],
                    "description": "Wikidata description when the official website matches the domain"
                  },
                  "domainAgeDays": {
                    "type": [
                      "integer",
                      "null"
                    ],
                    "minimum": 0,
                    "description": "Whole days since registration"
                  },
                  "domainCreated": {
                    "type": [
                      "string",
                      "null"
                    ],
                    "description": "RDAP registration date"
                  }
                },
                "additionalProperties": false
              }
            }
          }
        }
      }
    }
  },
  "x402Version": 2
}
Other captured 402 responses (7)

Captured payload 2 of 8

{
  "error": "Payment required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0xfE2353C808F2409cCb81508005A62cef29457706",
      "amount": "100000",
      "scheme": "exact",
      "network": "eip155:8453",
      "maxTimeoutSeconds": 300
    }
  ],
  "resource": {
    "url": "https://scrooge-x402-tool-mill.vercel.app/v1/watch",
    "mimeType": "application/json",
    "description": "Watch one public page for 7 days. Checks hourly. When the content hash changes, POST {watch_id,url,old_fingerprint,new_fingerprint,changed_at} to your https callback (5s timeout, one retry). POST JSON {\"url\":\"https://example.com\",\"callback_url\":\"https://example.com/hook\"}. Returns {watch_id,url,expires,status_url}. Free status is GET /v1/watch/:id and does not show the callback. At 500 active watches, POST returns 503 before payment. $0.10 USDC on Base (eip155:8453). No API key."
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "body": {
            "url": "https://example.com",
            "callback_url": "https://example.com/hook"
          },
          "type": "http",
          "method": "POST",
          "bodyType": "json"
        },
        "output": {
          "type": "json",
          "example": {
            "url": "https://example.com/",
            "expires": "2026-10-12T00:00:00.000Z",
            "watch_id": "0123456789abcdef0123456789abcdef",
            "status_url": "https://scrooge-x402-tool-mill.vercel.app/v1/watch/0123456789abcdef0123456789abcdef"
          }
        }
      },
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "required": [
          "input"
        ],
        "properties": {
          "input": {
            "type": "object",
            "required": [
              "type",
              "method",
              "bodyType",
              "body"
            ],
            "properties": {
              "body": {
                "type": "object",
                "required": [
                  "url",
                  "callback_url"
                ],
                "properties": {
                  "url": {
                    "type": "string",
                    "format": "uri",
                    "description": "Public http(s) URL to fetch (SSRF-safe; private/link-local blocked)"
                  },
                  "callback_url": {
                    "type": "string",
                    "format": "uri",
                    "description": "Public https URL that receives one POST when the page content hash changes"
                  }
                },
                "additionalProperties": false
              },
              "type": {
                "type": "string",
                "const": "http"
              },
              "method": {
                "enum": [
                  "POST"
                ],
                "type": "string"
              },
              "bodyType": {
                "enum": [
                  "json",
                  "form-data",
                  "text"
                ],
                "type": "string"
              }
            },
            "additionalProperties": false
          },
          "output": {
            "type": "object",
            "required": [
              "type"
            ],
            "properties": {
              "type": {
                "type": "string"
              },
              "example": {
                "type": "object",
                "required": [
                  "watch_id",
                  "url",
                  "expires",
                  "status_url"
                ],
                "properties": {
                  "url": {
                    "type": "string",
                    "description": "Page being watched"
                  },
                  "expires": {
                    "type": "string",
                    "format": "date-time",
                    "description": "When the 7-day watch ends"
                  },
                  "watch_id": {
                    "type": "string",
                    "description": "Id for the free status URL"
                  },
                  "status_url": {
                    "type": "string",
                    "description": "GET this for status. The callback URL is not included."
                  }
                },
                "additionalProperties": false
              }
            }
          }
        }
      }
    }
  },
  "x402Version": 2
}

Captured payload 3 of 8

{
  "error": "Payment required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0xfE2353C808F2409cCb81508005A62cef29457706",
      "amount": "10000",
      "scheme": "exact",
      "network": "eip155:8453",
      "maxTimeoutSeconds": 300
    }
  ],
  "resource": {
    "url": "https://scrooge-x402-tool-mill.vercel.app/v1/structured-data",
    "mimeType": "application/json",
    "description": "x402 GET alias for structured-data. Same $0.01 USDC challenge on Base (eip155:8453). Unpaid probe returns 402. Paid ?url= returns url, finalUrl, types, entities, jsonLd, openGraph, counts, fetchedAt. Workhorse is POST. No API key."
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {
            "url": "https://example.com"
          }
        },
        "output": {
          "type": "json",
          "example": {
            "url": "https://example.com/",
            "types": [
              "Product"
            ],
            "counts": {
              "jsonLd": 1,
              "microdata": 0
            },
            "jsonLd": [
              {
                "name": "Example",
                "@type": "Product"
              }
            ],
            "entities": [
              {
                "name": "Example",
                "type": "Product",
                "price": "9.00",
                "availability": "InStock",
                "priceCurrency": "USD"
              }
            ],
            "finalUrl": "https://example.com/",
            "fetchedAt": "2026-10-05T00:00:00.000Z",
            "openGraph": {
              "og:title": "Example"
            }
          }
        }
      },
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "required": [
          "input"
        ],
        "properties": {
          "input": {
            "type": "object",
            "required": [
              "type",
              "method"
            ],
            "properties": {
              "type": {
                "type": "string",
                "const": "http"
              },
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "queryParams": {
                "type": "object",
                "properties": {
                  "url": {
                    "type": "string",
                    "format": "uri",
                    "description": "Public http(s) URL to fetch (SSRF-safe; private/link-local blocked)"
                  }
                }
              }
            },
            "additionalProperties": false
          },
          "output": {
            "type": "object",
            "required": [
              "type"
            ],
            "properties": {
              "type": {
                "type": "string"
              },
              "example": {
                "type": "object",
                "required": [
                  "url",
                  "finalUrl",
                  "types",
                  "entities",
                  "jsonLd",
                  "openGraph",
                  "counts",
                  "fetchedAt"
                ],
                "properties": {
                  "url": {
                    "type": "string",
                    "format": "uri"
                  },
                  "types": {
                    "type": "array",
                    "items": {
                      "type": "string"
                    },
                    "description": "Unique schema.org @type values"
                  },
                  "counts": {
                    "type": "object",
                    "required": [
                      "jsonLd",
                      "microdata"
                    ],
                    "properties": {
                      "jsonLd": {
                        "type": "integer",
                        "minimum": 0
                      },
                      "microdata": {
                        "type": "integer",
                        "minimum": 0
                      }
                    },
                    "additionalProperties": false
                  },
                  "jsonLd": {
                    "type": "array",
                    "items": {},
                    "description": "Raw JSON-LD nodes, trimmed so the body stays under 64 KB"
                  },
                  "entities": {
                    "type": "array",
                    "items": {
                      "type": "object",
                      "additionalProperties": true
                    },
                    "description": "Normalized Product, Article, Organization, Event, FAQ, or breadcrumb facts"
                  },
                  "finalUrl": {
                    "type": "string",
                    "format": "uri",
                    "description": "Final URL after redirects"
                  },
                  "fetchedAt": {
                    "type": "string",
                    "format": "date-time"
                  },
                  "openGraph": {
                    "type": "object",
                    "additionalProperties": true
                  }
                },
                "additionalProperties": false
              }
            }
          }
        }
      }
    }
  },
  "x402Version": 2
}

Captured payload 4 of 8

{
  "error": "Payment required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0xfE2353C808F2409cCb81508005A62cef29457706",
      "amount": "2000",
      "scheme": "exact",
      "network": "eip155:8453",
      "maxTimeoutSeconds": 300
    }
  ],
  "resource": {
    "url": "https://scrooge-x402-tool-mill.vercel.app/v1/page-meta",
    "mimeType": "application/json",
    "description": "x402 GET alias for page-meta. Same $0.002 USDC challenge on Base (eip155:8453). Unpaid probe returns 402. Paid ?url= returns title, description, canonical, ogImage, language, excerpt (no url field). Workhorse is POST. No API key."
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {
            "url": "https://example.com"
          }
        },
        "output": {
          "type": "json",
          "example": {
            "title": "Example Domain",
            "excerpt": "This domain is for use in documentation examples without needing permission. Avoid use in operations.",
            "ogImage": null,
            "language": null,
            "canonical": "https://example.com/",
            "description": null
          }
        }
      },
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "required": [
          "input"
        ],
        "properties": {
          "input": {
            "type": "object",
            "required": [
              "type",
              "method"
            ],
            "properties": {
              "type": {
                "type": "string",
                "const": "http"
              },
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "queryParams": {
                "type": "object",
                "properties": {
                  "url": {
                    "type": "string",
                    "format": "uri",
                    "description": "Public http(s) URL to fetch (SSRF-safe; private/link-local blocked)"
                  }
                }
              }
            },
            "additionalProperties": false
          },
          "output": {
            "type": "object",
            "required": [
              "type"
            ],
            "properties": {
              "type": {
                "type": "string"
              },
              "example": {
                "type": "object",
                "required": [
                  "title",
                  "description",
                  "canonical",
                  "ogImage",
                  "language",
                  "excerpt"
                ],
                "properties": {
                  "title": {
                    "type": [
                      "string",
                      "null"
                    ],
                    "description": "HTML title, or null"
                  },
                  "excerpt": {
                    "type": [
                      "string",
                      "null"
                    ],
                    "description": "Whitespace-collapsed plaintext excerpt (~500 characters; ellipsis if truncated), or null"
                  },
                  "ogImage": {
                    "type": [
                      "string",
                      "null"
                    ],
                    "description": "Absolute Open Graph or Twitter image URL, or null"
                  },
                  "language": {
                    "type": [
                      "string",
                      "null"
                    ],
                    "description": "html lang or content-language, or null"
                  },
                  "canonical": {
                    "type": [
                      "string",
                      "null"
                    ],
                    "description": "Absolute canonical URL, or null"
                  },
                  "description": {
                    "type": [
                      "string",
                      "null"
                    ],
                    "description": "Meta description, or null"
                  }
                },
                "additionalProperties": false
              }
            }
          }
        }
      }
    }
  },
  "x402Version": 2
}

Captured payload 5 of 8

{
  "error": "Payment required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0xfE2353C808F2409cCb81508005A62cef29457706",
      "amount": "50000",
      "scheme": "exact",
      "network": "eip155:8453",
      "maxTimeoutSeconds": 300
    }
  ],
  "resource": {
    "url": "https://scrooge-x402-tool-mill.vercel.app/v1/readable-text",
    "mimeType": "application/json",
    "description": "x402 GET alias for readable-text. Same $0.05 USDC challenge on Base (eip155:8453). Unpaid probe returns 402. Paid ?url=&maxChars= returns url, title, text, wordCount, language, fetchedAt. Optional maxChars 1–12000. Workhorse is POST. No API key."
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {
            "url": "https://example.com",
            "maxChars": "12000"
          }
        },
        "output": {
          "type": "json",
          "example": {
            "url": "https://example.com/",
            "text": "This domain is for use in documentation examples without needing permission. Avoid use in operations.",
            "title": "Example Domain",
            "language": null,
            "fetchedAt": "2026-09-21T00:00:00.000Z",
            "wordCount": 16
          }
        }
      },
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "required": [
          "input"
        ],
        "properties": {
          "input": {
            "type": "object",
            "required": [
              "type",
              "method"
            ],
            "properties": {
              "type": {
                "type": "string",
                "const": "http"
              },
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "queryParams": {
                "type": "object",
                "properties": {
                  "url": {
                    "type": "string",
                    "format": "uri",
                    "description": "Public http(s) URL to fetch (SSRF-safe; private/link-local blocked)"
                  },
                  "maxChars": {
                    "type": "string",
                    "description": "Optional maxChars query string (1–12000; handler clamps)"
                  }
                }
              }
            },
            "additionalProperties": false
          },
          "output": {
            "type": "object",
            "required": [
              "type"
            ],
            "properties": {
              "type": {
                "type": "string"
              },
              "example": {
                "type": "object",
                "required": [
                  "url",
                  "title",
                  "text",
                  "wordCount",
                  "language",
                  "fetchedAt"
                ],
                "properties": {
                  "url": {
                    "type": "string",
                    "format": "uri",
                    "description": "Final URL after redirects"
                  },
                  "text": {
                    "type": "string",
                    "description": "Main readable plaintext, capped by maxChars (default and max 12000)"
                  },
                  "title": {
                    "type": [
                      "string",
                      "null"
                    ],
                    "description": "HTML title, or null"
                  },
                  "language": {
                    "type": [
                      "string",
                      "null"
                    ],
                    "description": "html lang or content-language, or null"
                  },
                  "fetchedAt": {
                    "type": "string",
                    "format": "date-time",
                    "description": "ISO-8601 time the page was fetched"
                  },
                  "wordCount": {
                    "type": "integer",
                    "minimum": 0
                  }
                },
                "additionalProperties": false
              }
            }
          }
        }
      }
    }
  },
  "x402Version": 2
}

Captured payload 6 of 8

{
  "error": "Payment required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0xfE2353C808F2409cCb81508005A62cef29457706",
      "amount": "150000",
      "scheme": "exact",
      "network": "eip155:8453",
      "maxTimeoutSeconds": 300
    }
  ],
  "resource": {
    "url": "https://scrooge-x402-tool-mill.vercel.app/v1/batch-meta",
    "mimeType": "application/json",
    "description": "x402 GET probe for batch-meta. Same $0.15 USDC challenge on Base (eip155:8453). Workhorse is POST JSON {\"urls\":[\"https://...\"]} (1–10). Success body is {results:[{url,ok,meta|error}]}. No API key."
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {
            "urls": "https://example.com"
          }
        },
        "output": {
          "type": "json",
          "example": {
            "results": [
              {
                "ok": true,
                "url": "https://example.com",
                "meta": {
                  "title": "Example Domain",
                  "excerpt": "This domain is for use in documentation examples without needing permission. Avoid use in operations.",
                  "ogImage": null,
                  "language": null,
                  "canonical": "https://example.com/",
                  "description": null
                }
              }
            ]
          }
        }
      },
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "required": [
          "input"
        ],
        "properties": {
          "input": {
            "type": "object",
            "required": [
              "type",
              "method"
            ],
            "properties": {
              "type": {
                "type": "string",
                "const": "http"
              },
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "queryParams": {
                "type": "object",
                "properties": {
                  "urls": {
                    "type": "string",
                    "description": "Probe only; batch still needs POST body"
                  }
                }
              }
            },
            "additionalProperties": false
          },
          "output": {
            "type": "object",
            "required": [
              "type"
            ],
            "properties": {
              "type": {
                "type": "string"
              },
              "example": {
                "type": "object",
                "required": [
                  "results"
                ],
                "properties": {
                  "results": {
                    "type": "array",
                    "items": {
                      "type": "object",
                      "required": [
                        "url",
                        "ok"
                      ],
                      "properties": {
                        "ok": {
                          "type": "boolean",
                          "description": "true when meta is present, false when error is present"
                        },
                        "url": {
                          "type": "string",
                          "description": "The URL that was requested"
                        },
                        "meta": {
                          "type": [
                            "object",
                            "null"
                          ],
                          "description": "Page meta when ok=true: title, description, canonical, ogImage, language, excerpt"
                        },
                        "error": {
                          "type": "string",
                          "description": "Why this URL failed when ok=false; other rows still return"
                        }
                      }
                    },
                    "maxItems": 10,
                    "minItems": 1
                  }
                },
                "additionalProperties": false
              }
            }
          }
        }
      }
    }
  },
  "x402Version": 2
}

Captured payload 7 of 8

{
  "error": "Payment required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0xfE2353C808F2409cCb81508005A62cef29457706",
      "amount": "30000",
      "scheme": "exact",
      "network": "eip155:8453",
      "maxTimeoutSeconds": 300
    }
  ],
  "resource": {
    "url": "https://scrooge-x402-tool-mill.vercel.app/v1/link-graph",
    "mimeType": "application/json",
    "description": "x402 GET alias for link-graph. Same $0.03 USDC challenge on Base (eip155:8453). Unpaid probe returns 402. Paid ?url=&maxLinks= returns url, title, links[{href,text?}], count. Optional maxLinks 1–50. Workhorse is POST. No API key."
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {
            "url": "https://example.com",
            "maxLinks": "50"
          }
        },
        "output": {
          "type": "json",
          "example": {
            "url": "https://example.com/",
            "count": 1,
            "links": [
              {
                "href": "https://iana.org/domains/example",
                "text": "Learn more"
              }
            ],
            "title": "Example Domain"
          }
        }
      },
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "required": [
          "input"
        ],
        "properties": {
          "input": {
            "type": "object",
            "required": [
              "type",
              "method"
            ],
            "properties": {
              "type": {
                "type": "string",
                "const": "http"
              },
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "queryParams": {
                "type": "object",
                "properties": {
                  "url": {
                    "type": "string",
                    "format": "uri",
                    "description": "Public http(s) URL to fetch (SSRF-safe; private/link-local blocked)"
                  },
                  "maxLinks": {
                    "type": "string",
                    "description": "Optional maxLinks query string (1–50; handler clamps)"
                  }
                }
              }
            },
            "additionalProperties": false
          },
          "output": {
            "type": "object",
            "required": [
              "type"
            ],
            "properties": {
              "type": {
                "type": "string"
              },
              "example": {
                "type": "object",
                "required": [
                  "url",
                  "title",
                  "links",
                  "count"
                ],
                "properties": {
                  "url": {
                    "type": "string",
                    "format": "uri",
                    "description": "Final URL after redirects"
                  },
                  "count": {
                    "type": "integer",
                    "maximum": 50,
                    "minimum": 0,
                    "description": "links.length"
                  },
                  "links": {
                    "type": "array",
                    "items": {
                      "type": "object",
                      "required": [
                        "href"
                      ],
                      "properties": {
                        "href": {
                          "type": "string",
                          "format": "uri",
                          "description": "Absolute link URL"
                        },
                        "text": {
                          "type": "string",
                          "maxLength": 200,
                          "description": "Anchor text; omitted when empty"
                        }
                      },
                      "additionalProperties": false
                    },
                    "maxItems": 50
                  },
                  "title": {
                    "type": [
                      "string",
                      "null"
                    ],
                    "description": "HTML title, or null"
                  }
                },
                "additionalProperties": false
              }
            }
          }
        }
      }
    }
  },
  "x402Version": 2
}

Captured payload 8 of 8

{
  "error": "Payment required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0xfE2353C808F2409cCb81508005A62cef29457706",
      "amount": "40000",
      "scheme": "exact",
      "network": "eip155:8453",
      "maxTimeoutSeconds": 300
    }
  ],
  "resource": {
    "url": "https://scrooge-x402-tool-mill.vercel.app/v1/change-fingerprint",
    "mimeType": "application/json",
    "description": "x402 GET alias for change-fingerprint. Same $0.04 USDC challenge on Base (eip155:8453). Unpaid probe returns 402. Paid ?url= returns url, etag, lastModified, contentHash, byteLength, fetchedAt. Workhorse is POST. No API key."
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {
            "url": "https://example.com"
          }
        },
        "output": {
          "type": "json",
          "example": {
            "url": "https://example.com/",
            "etag": null,
            "fetchedAt": "2026-09-21T00:00:00.000Z",
            "byteLength": 528,
            "contentHash": "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
            "lastModified": null
          }
        }
      },
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "required": [
          "input"
        ],
        "properties": {
          "input": {
            "type": "object",
            "required": [
              "type",
              "method"
            ],
            "properties": {
              "type": {
                "type": "string",
                "const": "http"
              },
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "queryParams": {
                "type": "object",
                "properties": {
                  "url": {
                    "type": "string",
                    "format": "uri",
                    "description": "Public http(s) URL to fetch (SSRF-safe; private/link-local blocked)"
                  }
                }
              }
            },
            "additionalProperties": false
          },
          "output": {
            "type": "object",
            "required": [
              "type"
            ],
            "properties": {
              "type": {
                "type": "string"
              },
              "example": {
                "type": "object",
                "required": [
                  "url",
                  "etag",
                  "lastModified",
                  "contentHash",
                  "byteLength",
                  "fetchedAt"
                ],
                "properties": {
                  "url": {
                    "type": "string",
                    "format": "uri",
                    "description": "Final URL after redirects"
                  },
                  "etag": {
                    "type": [
                      "string",
                      "null"
                    ],
                    "description": "Upstream ETag header, or null"
                  },
                  "fetchedAt": {
                    "type": "string",
                    "format": "date-time",
                    "description": "ISO-8601 time the page was fetched"
                  },
                  "byteLength": {
                    "type": "integer",
                    "minimum": 0,
                    "description": "Raw upstream response size in bytes"
                  },
                  "contentHash": {
                    "type": "string",
                    "pattern": "^[a-f0-9]{64}$",
                    "description": "sha256 hex of normalized visible text"
                  },
                  "lastModified": {
                    "type": [
                      "string",
                      "null"
                    ],
                    "description": "Upstream Last-Modified header, or null"
                  }
                },
                "additionalProperties": false
              }
            }
          }
        }
      }
    }
  },
  "x402Version": 2
}

Can I trust it score from our own monitoring

score from our own monitoring

86/100 Solid

#191 of 472 in Data. Bands: strong 93+, solid 75+, mixed 55+, weak below 55.

Reliability
100% uptime 30d
Compliance
A 14/14 checks pass
Price
$0.002 to $0.15 p25 in Data
Risk
clean no risk flag
Traction
$0.95 30d 6 buyers, top buyer 74% (address, not entity)
Last change
schema changed 10d ago 1 in 30d
14/14 compliance checks
  • 402 payload captured
  • accepts[] array present
  • payTo address recoverable
  • payTo at accepts[0].payTo (conformant shape)
  • payTo is a valid on-chain address
  • atomic price declared
  • atomic price in a sane range
  • asset (token) address declared
  • network resolves to CAIP-2
  • payment scheme declared
  • served over HTTPS
  • declares the current x402 version (2)
  • EIP-712 domain parameters present on every EVM entry
  • x402 v2 envelope delivered in the payment-required header

402 terms unchanged since 2026-10-28. Last up 2026-11-07.

── Site signals

  • homepage reachable
  • openapi doc
  • pricing page
  • llms.txt
  • robots.txt
  • terms page
How the score works

What the score read on this service: status online, 100% uptime 30d, 748ms response p95, x402 compliance 14 of 14, $0.002 price against the category, on-chain traction measured. Each of those is measured, and each is published in full below.

The score comes from our own monitoring, never from reviews, operator claims, or a language model: reliability, x402 compliance, price against the category, a deterministic risk flag, and a small on-chain traction term, weighted by ranking generation 3. It is not placement anyone can buy: the paid verify tier is reported beside it and is not one of its inputs. Every component below stays published and read-only.

Bands on the 0 to 100 measured score: strong at 93 and above, solid from 75, mixed from 55, weak below 55. Price and speed are scored against the whole category field, every listing in it that carries no danger flag, the scored service included, so the score places a service in its own field.

It is a score inside Data, and only there: price and speed are scored against the whole category field, every listing in it that carries no danger flag, the scored service included, which here means 472 listings, this one among them: the same 472 the position above is counted against. When the two differ, the field is the wider one, because a listing we have measured too little of to rank still sits in the field the price and the speed are normalized over. The same service in a different field would read differently. The same engine answers GET /api/v1/best, and asked for a different pool (the whole directory, or another filter) it returns a different number for this service under this same ranking generation. Neither is more correct: they answer different questions, and the methodology states which is which.

Settled via coinbase ($0.95, 23 tx). Traction is a conservative undercount; first settlement seen 2026-09-18.

All measured facts

What it does

Pay-per-call page-intel APIs for agents via HTTP 402 / x402. Base mainnet USDC exact, no API keys: structured-data $0.01 (JSON-LD/microdata/OpenGraph as typed JSON), page-meta $0.002, link-graph $0.03, company-card $0.03 (public-record org profile from JSON-LD, RDAP, GLEIF, Wikidata), change-fingerprint $0.04, readable-text $0.05, watch $0.10 (7-day hourly page change watch), batch-meta $0.15. MCP: https://scrooge-x402-tool-mill.vercel.app/mcp

Scrooge Tool Mill is a listed x402 Data API. Captured payment terms name Base. Monitoring and settlement figures below describe the observations available to this directory; an unpaid HTTP 402 check does not prove that a paid call will deliver.

Assessment computed at . Latest service check observed at . Service data JSON · Measurement methodology.

Page rendered at . This response time is separate from the observation and computation times attached to each measurement.

Latest endpoint observation: . Latest price capture: . Prices are recorded quotes, not a promise of availability. Token assets and payment terms are listed separately. Endpoint data JSON · Price history JSON · Measurement methodology.

Assessment computed at . Uptime uses the stated daily-rollup window; response times are in milliseconds, compliance is passed/evaluated checks, and traction is a measured settlement floor. The comparison score is out of 100 within this category. Assessment JSON · Measurement methodology.

Observed daily coverage: 2026-10-09 to 2026-11-07 UTC. Daily monitoring and settlement rollups do not expose their computation time; a bucket date is not an update timestamp. Latest settlement in the assessment: . Uptime and response JSON · Volume JSON · Buyers JSON · Measurement methodology.

Ranked from the measured category pool, refreshed at most once a minute. The comparison has no persisted computation timestamp; the assessment time above belongs to this service only. Ranking API documentation · Ranking methodology.

x402 List home · Services · Data

uptime · latest daily rollup
100%
uptime 7d
99.8%
uptime 30d
100%
uptime 90d
100%
response p95
748ms
avg response
284ms
total checks
3,761

Measured on the unpaid 402 handshake, not the paid call. A service can 402 correctly and still fail after payment.

price (min)
$0.002
price (max)
$0.15
category percentile (min)
p25 in Data
category percentile (max)
p77 in Data
endpoints / prices
8 / 7
model
tiered
stability
0%

No deterministic risk flag. Risk fires only on an exact blocklist match, or a reserved-brand name with a mismatched verified payTo. Never from low uptime, a high price, or a model guess.

domain age
-
registrar
-
hosting
free host
domain created
---

Identity facts, not a risk score.

assessment volume 30d
$0.95
exact assessment volume 30d (USD)
0.95
assessment recorded at (UTC)
2026-11-07T09:43:01.547Z
buyers 30d
6
settlements 30d
23
measured since
2026-09-18 (start of our harvest window)
last settlement
2026-10-27
top buyer share
74% of 30d volume (address, not entity)
top 3 buyers share
98% of 30d volume (addresses, not entities)
concentrated volume
no
trend 7d vs 30d
2.55x the 30d daily rate
networks
eip155:8453
volume all-time
$1.25
settlements all-time
29
median settlement 30d
$0.03
max settlement 30d
$0.15

Assessment volume uses the latest 30d assessment. Over time sums daily address snapshots, rounded to cents and refreshed separately. The two sources can differ in timing, precision and shared-address attribution. Amounts use cents for comparison; known sub-cent values keep up to 12 significant digits. The exact stored assessment value is shown above.

Conservative undercount: only USDC settlements via facilitators we measure are counted. A measured floor, not an estimate.

Top buyer share lowers the on-chain traction part of the ranking score behind this page's verdict and /best, by up to half when one address holds all 30d volume. The Recommended and Highest volume sorts of the services list do not use it; they use the Concentrated volume rule instead.

member since
2026-09-23
Recent checks
Latest 18 unpaid HTTP checks, newest first; response times in milliseconds, observation times in UTC
Checked at (UTC)StatusHTTPResponseEndpoints
Online402528ms8
Online402344ms8
Online402485ms8
Online402229ms8
Online402108ms8
Online402453ms8
Online402510ms8
Online402325ms8
Online402521ms8
Online402118ms8
Online402116ms8
Online402396ms8
Online402126ms8
Online402488ms8
Online402535ms8
Online402852ms8
Online4021005ms8
Online402422ms8

Changes1 in 30d

Latest 1 recorded changes, up to 10 in the last 30 days; newest first; observation times in UTC
Observed at (UTC)ChangeEvidence
schema changed

endpoint added GET /v1/company-card

endpoint added GET /v1/structured-data

endpoint added POST /v1/watch

schema added GET /v1/company-card exact eip155:8453 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 USDC 2 300 {"name":"USD Coin","version":"2"}

schema added GET /v1/structured-data exact eip155:8453 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 USDC 2 300 {"name":"USD Coin","version":"2"}

schema added POST /v1/watch exact eip155:8453 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 USDC 2 300 {"name":"USD Coin","version":"2"}

all changes

Over time

On-chain volume daily snapshots, USD 30d: $0.95, peak $0.49 on 10-27
volume no data in the payload
Distinct buyers per dayDistinct buyers per day
Uptime 1 of 29 completed days below 100%
uptime below 100%, to scale
Volume 30d
$0.95
Uptime
1 of 29 completed days below 100%
Daily on-chain settlement volume in US dollars, 2026-10-09 to 2026-11-07; highest day $0.49 on 10-27; 24 days have no data in the payload; distinct buyers per day
More charts
Response time daily average, ms min 98ms, avg 282ms, max 470ms

10-09 to 11-07* UTC

Scores over time

x402 compliance low 14/14, high 14/14

10-09 to 11-07* UTC

Price percentile in Data own low to high; exact values below

10-09 to 11-07* UTC

Site signals present (of 6) own low to high; exact values below

10-09 to 11-07* UTC

Scores: one day per column, 10-09 to 11-07*, on the columns of Response time. Uptime held below 100% on some days in this window, including any partial day. Daily readings remain in the Uptime strip and Values. The checklist grew from 11 to 14 checks on 2026-07-28, before this window. Pillar lines use their own low and high. Exact dated readings are available in each readout and in Values.

Each series spans only the dates it has data for. Every series is also served as JSON at /api/v1/services/scrooge-tool-mill/price, /scores, /volume and /buyers.

Values

* today so far, partial (UTC).

The uptime summary counts completed UTC days only. The strip, readouts and table retain today's partial reading.

Daily snapshot total, 30d: $0.76, peak $0.49 on 10-27. The visible 30d total in Traction comes from the latest assessment. These sources can differ in their window, refresh time, cent rounding and shared-address attribution.

Daily address snapshots: 2026-10-09 to 2026-11-07 UTC; * today so far, partial (UTC). Daily snapshots store cents. A recorded $0.00 with settlements cannot distinguish exact zero from volume rounded away. Lost precision is unavailable here. † marks a recorded $0.00 with settlements.

Settlement volume uses the stored USD valuation of tracked payments; it is distinct from token quantities. USD-pegged assets are valued at 1 USD per token in these rollups. The measured settlement floor does not cover all payments to this service.

Assessment history last recorded at . Each UTC day uses its last recorded run; missing readings stay unmeasured. Assessment history JSON · Measurement methodology.

Daily values, 2026-10-09 to 2026-11-07: address settlement volume in USD, distinct buyer and settlement counts, uptime percent, average response milliseconds, compliance passed/total, price percentile 0-100, site signals out of 6; UTC dates
DayVolumeBuyersSettlementsUptimeResponseCompliancePrice percentileSite signals
2026-10-09no datano datano data100%228.87ms14/14p253/6
2026-10-10no datano datano data100%241.79ms14/14p253/6
2026-10-11no datano datano data100%300.19ms14/14p253/6
2026-10-12no datano datano data100%317.28ms14/14p253/6
2026-10-13no datano datano data100%314.66ms14/14p253/6
2026-10-14$0.00 recorded†11100%275.68ms14/14p243/6
2026-10-15no datano datano data100%259.51ms14/14p243/6
2026-10-16no datano datano data100%259.99ms14/14p243/6
2026-10-17no datano datano data100%190.06ms14/14p243/6
2026-10-18no datano datano data100%156.69ms14/14p243/6
2026-10-19no datano datano data100%217.49ms14/14p243/6
2026-10-20no datano datano data100%250.01ms14/14p243/6
2026-10-21no datano datano data100%98.48ms14/14p243/6
2026-10-22no datano datano data100%303.89ms14/14p243/6
2026-10-23$0.0723100%190.25ms14/14p243/6
2026-10-24no datano datano data100%128.36ms14/14p243/6
2026-10-25no datano datano data100%221.04ms14/14p243/6
2026-10-26no datano datano data100%176.66ms14/14p243/6
2026-10-27$0.4918100%169.71ms14/14p243/6
2026-10-28no datano datano data100%258.48ms14/14p243/6
2026-10-29$0.00 recorded†22100%386.31ms14/14p253/6
2026-10-30no datano datano data100%304.86ms14/14p254/6
2026-10-31no datano datano data100%469.76ms14/14p244/6
2026-11-01$0.0112100%416.98ms14/14p244/6
2026-11-02no datano datano data98.86%400.09ms14/14p244/6
2026-11-03$0.1914100%454.52ms14/14p244/6
2026-11-04no datano datano data100%376.07ms14/14p244/6
2026-11-05no datano datano data100%365.06ms14/14p254/6
2026-11-06no datano datano data100%379.91ms14/14p254/6
2026-11-07*no datano datano data100%357.67ms14/14p254/6

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5 of 471 other ranked services in Data, ordered by the same measured score.

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