ToolAssay

JSON micro-tool for agents

JSON micro-tool for agents: GET ?url= → deterministic live URL fingerprint (final_url, status, content_type, body_sha256, body_len, tls_issuer/subject, dns A/AAAA sample, fetched_at, timing_ms). Reuses live-fetch bits from red-flag 1.2. Not an essay. Brand: geld machen. x402 $0.01 Base USDC.

Answeringour last check, 2026-09-24
1 of 1checks answered this week
652 msmedian answer time
$0.01listed price per call
$0.01price it asked us

Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.

Endpoint

GET https://geld-machen-x402.fly.dev/product/url-fingerprint.json

CategoryCommerce and shopping
Provider hostgeld-machen-x402.fly.dev
Networkseip155:8453
Payment schemesexact
Self-reported calls, 30 days2 from 2 payers (the provider's figure, not ours)

Our checks, last 30 days

DayResultHTTPAskedTime
2026-09-24 valid payment request 402$0.01 652 ms

Example input (from the provider)

{
  "method": "GET",
  "queryParams": {
    "url": "https://example.com"
  },
  "type": "http"
}

Promised output schema (from the provider)

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "method": {
          "enum": [
            "GET",
            "HEAD",
            "DELETE"
          ],
          "type": "string"
        },
        "queryParams": {
          "properties": {
            "url": {
              "description": "https URL to fingerprint (query ?url=)",
              "type": "string"
            }
          },
          "required": [
            "url"
          ],
          "type": "object"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "properties": {
            "body_len": {
              "type": "integer"
            },
            "body_sha256": {
              "type": "string"
            },
            "content_type": {
              "type": "string"
            },
            "dns": {
              "type": "object"
            },
            "fetched_at": {
              "type": "string"
            },
            "final_url": {
              "type": "string"
            },
            "status": {
              "type": "integer"
            },
            "timing_ms": {
              "type": "integer"
            },
            "tls_issuer": {
              "type": "string"
            },
            "tls_subject": {
              "type": "string"
            }
          },
          "type": "object"
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}

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