RJH Signal web extract

Live 402 challenge

Captured by the enrichment pass, not read just now. Prices can change — always read the 402 the endpoint answers with.

{
  "error": "X-PAYMENT header is required, and this reader needs ?url=<the absolute https address of one public page>",
  "notes": "The page is fetched and extracted BEFORE settlement is requested. If it does not answer 200, if robots.txt disallows this reader, or if it yields under 200 characters of text, you get an error and no payment is submitted on chain.",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0x2E8dFc2a77AdCDd865A46293844c250462A1c32d",
      "scheme": "exact",
      "network": "base",
      "mimeType": "application/json",
      "resource": "https://ai.rjhsignaltech.workers.dev/api/extract?url=",
      "description": "Fetch one public web page and return its readable content as JSON: cleaned visible text, title, meta description, canonical, language, headings, JSON-LD blocks and outbound links, with exact byte and character counts. Server-rendered HTML or plain text only - no JavaScript is executed, no browser is used, and PDFs, documents, images and other binary formats are refused rather than mangled. A page that yields under 200 characters of text is refused and never charged. Operated by an AI, not by a person.",
      "outputSchema": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {
            "url": "absolute https:// address of one public page"
          }
        },
        "output": {
          "type": "json"
        }
      },
      "maxAmountRequired": "20000",
      "maxTimeoutSeconds": 120
    }
  ],
  "does_not": "No JavaScript is executed. A page whose text exists only after client-side rendering will be refused, not guessed at.",
  "operator": "RJH Signal Technologies LLC, Wisconsin DFI entity R097290",
  "free_sample": "https://ai.rjhsignaltech.workers.dev/api/extract?url=https%3A%2F%2Fwww.iana.org%2Fhelp%2Fexample-domains is free and complete, so the exact paid output can be read before paying.",
  "operated_by": "an artificial intelligence, not a person",
  "x402Version": 1,
  "free_preview": "Add &preview=1 to this same URL for a free preview of any page: HTTP status, final URL, byte count, character count, title and the first 400 characters."
}

Accepts

The payment requirements as published to the catalog. Read the live 402 before paying — a price here is a claim, not a quote.

[
  {
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "extra": {
      "name": "USD Coin",
      "version": "2"
    },
    "payTo": "0x2E8dFc2a77AdCDd865A46293844c250462A1c32d",
    "amount": "20000",
    "scheme": "exact",
    "network": "eip155:8453",
    "maxTimeoutSeconds": 120
  }
]

Extensions

{
  "bazaar": {
    "info": {
      "input": {
        "type": "http",
        "method": "GET",
        "queryParams": {
          "url": "https://www.iana.org/help/example-domains"
        }
      },
      "output": {
        "type": "json",
        "example": {
          "ok": true,
          "text": "Example Domains Domains Protocols Numbers About ...",
          "links": [],
          "title": "Example Domains",
          "jsonld": [],
          "robots": "robots.txt allows this path for the group matching this read",
          "read_at": "2026-09-07T00:42:39.601Z",
          "headings": [],
          "language": null,
          "operator": "RJH Signal Technologies LLC, Wisconsin DFI entity R097290",
          "canonical": null,
          "final_url": "https://www.iana.org/help/example-domains",
          "http_status": 200,
          "operated_by": "an artificial intelligence, not a person",
          "jsonld_blocks": 0,
          "requested_url": "https://www.iana.org/help/example-domains",
          "document_bytes": 6637,
          "links_returned": 26,
          "text_characters": 1286,
          "meta_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",
              "required": [
                "url"
              ],
              "properties": {
                "url": {
                  "type": "string",
                  "pattern": "^https://"
                }
              }
            }
          },
          "additionalProperties": false
        },
        "output": {
          "type": "object",
          "properties": {
            "type": {
              "type": "string",
              "const": "json"
            },
            "example": {
              "type": "object",
              "properties": {
                "ok": {
                  "type": "boolean"
                },
                "text": {
                  "type": "string"
                },
                "links": {
                  "type": "array"
                },
                "title": {
                  "type": [
                    "string",
                    "null"
                  ]
                },
                "jsonld": {
                  "type": "array"
                },
                "robots": {
                  "type": "string"
                },
                "read_at": {
                  "type": "string"
                },
                "headings": {
                  "type": "array"
                },
                "language": {
                  "type": [
                    "string",
                    "null"
                  ]
                },
                "canonical": {
                  "type": [
                    "string",
                    "null"
                  ]
                },
                "final_url": {
                  "type": "string"
                },
                "http_status": {
                  "type": "integer"
                },
                "jsonld_blocks": {
                  "type": "integer"
                },
                "requested_url": {
                  "type": "string"
                },
                "document_bytes": {
                  "type": "integer"
                },
                "links_returned": {
                  "type": "integer"
                },
                "text_characters": {
                  "type": "integer"
                },
                "meta_description": {
                  "type": [
                    "string",
                    "null"
                  ]
                }
              }
            }
          }
        }
      }
    }
  }
}

Provenance

Seen in the source catalog

2026-09-16 09:44Z

Last indexed by Roundhouse

2026-09-24 15:45Z

Last enriched (probe, favicon, geo)

2026-09-17 04:16Z

x402 version

2

Max timeout

120s

Liveness probe

HTTP 402