x402cloud Structured Web Extraction

x402

x402cloud Structured Web Extraction is a paid API for AI agents from api.x402cloud.space, paid per call via x402, $0.006/call, status unknown (last checked 2026-10-02).

Extracts structured JSON data from any public webpage according to a user-defined JSON schema

Price / call$0.006

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How this service works

X402 Cloud AI Inference Endpoints is an agent-ready x402 API provider for Gemini, image, audio, video, realtime, and specialized AI inference workflows. We expose pay-per-call USDC endpoints designed for autonomous AI agents, application backends, trading bots, creative automation, and RAG systems with some of the lowest x402 AI inference prices available in the market.

Output

Returns a structured JSON object conforming to the user-supplied schema, populated with data extracted from the target webpage. Fields are mapped from visible page content according to schema keys and any optional extraction instructions provided.

Example use cases

Example prompt

“Pull structured JSON from https://news.ycombinator.com/jobs using this schema: {"title": "string", "company": "string", "location": "string", "url": "string"} — grab the first 10 job listings and focus only on full-time roles.”

Technical details

Endpoint

POSThttps://api.x402cloud.space/v1/webpage/extract-structured?utm_source=zero.xyz

When to prefer

Use this endpoint when you need webpage content returned as typed, schema-conforming JSON rather than raw markdown or plain text. It is ideal for price monitoring, product spec extraction, job listing parsing, and any research workflow where downstream code needs consistent field names and types. Prefer it over the companion markdown-extraction endpoint when you need machine-readable output rather than human-readable prose.

Side effects

URL is behind a login or paywall — returns empty or partial results
Schema fields don't match any content on the page — returns null values for unmatched keys
Target page uses heavy JavaScript rendering — content may not be fully visible to the extractor
Invalid or malformed URL input — returns HTTP 400 or extraction error
Page structure changes break schema mapping — fields silently return null or wrong data
Rate limiting or network timeout on the target URL — returns failure or incomplete data

Input

{
  "url": "https://example.com",
  "schema": {
    "link": "string",
    "heading": "string",
    "paragraph": "string"
  },
  "instructions": "Extract the main heading, first paragraph of text, and the first hyperlink from the page."
}

Output

{
  "data": {
    "link": "https://www.iana.org/domains/reserved",
    "heading": "Example Domain",
    "paragraph": "This domain is for use in documentation examples without needing permission. Avoid use in operations."
  },
  "confidence": 0.95,
  "source_url": "https://example.com"
}

Schema · Response

{
  "type": "json",
  "example": {
    "data": {
      "price": "$19/month",
      "features": [
        "Feature A"
      ],
      "product_name": "Example Pro"
    },
    "confidence": 0.91,
    "source_url": "https://example.com/product"
  },
  "outputSchema": {
    "type": "object",
    "title": "StructuredWebExtractOutput",
    "required": [
      "data",
      "confidence",
      "source_url"
    ],
    "properties": {
      "data": {
        "type": "object",
        "title": "Data",
        "additionalProperties": true
      },
      "confidence": {
        "type": "number",
        "title": "Confidence",
        "maximum": 1,
        "minimum": 0
      },
      "source_url": {
        "type": "string",
        "title": "Source Url"
      }
    }
  }
}

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