Structured Data Schema Validator

x402

Structured Data Schema Validator is a paid API for AI agents from agent-data.centorprat.workers.dev, paid per call via x402, $0.02/call, status unknown (last checked 2026-10-28).

Extracts JSON-LD structured data from URLs and validates schema.org types against Google's rich results requirements for Product, Article, FAQ, Recipe, and more.

Price / call$0.02

Seller volume →—

Success—

StatusUnknown

How this service works

Pay-per-call data and tools for AI agents, $0.002-0.01 per call in USDC via x402 (Base, Polygon or Solana), no account or API key; MAX tiers ($0.05-0.25) run deeper jobs. Agent toolkit: web search, search + read top pages, any page as clean markdown with a prompt-injection check, which-x402-API-to-call recommender, seller check. Data: Google Maps places with contacts, YouTube video data and transcripts, job listings (Indeed, LinkedIn, 13 boards), Google Ads Transparency, TikTok comments, Pinterest, Airbnb, Redfin, AliExpress, app stores, live sports, website and SEO checks, Shopify store tech stacks, and onchain token / address risk checks.

Output

For each submitted URL, the agent receives the extracted JSON-LD structured data, a list of all detected schema.org types, and a detailed validation report identifying which required and recommended properties (per Google's rich results spec) are present, missing, or invalid — covering types like Product, Article, FAQ, Recipe, Organization, Event, and JobPosting. Failed URL lookups are reported but not charged.

Example use cases

Pre-launch SEO structured data audit

“Before I publish my new recipe page at https://tastyblog.com/recipes/chocolate-cake, can you validate its structured data and tell me if it has everything Google needs to show it as a rich result?”

Debugging missing rich results for a product

“My product page at https://store.example.com/products/widget-pro stopped showing star ratings in Google. Can you extract its JSON-LD and tell me what schema.org properties are missing or wrong?”

Bulk check across article and FAQ pages

“Can you validate the structured data on these three pages — https://myblog.com/article/seo-guide, https://myblog.com/faq, and https://myblog.com/about — and tell me which schema types each has and what Google rich result requirements they're failing?”

Technical details

Endpoint

POSThttps://agent-data.centorprat.workers.dev/tools/structured-data-schema-validator?utm_source=zero.xyz

When to prefer

Choose this endpoint when you need to validate schema.org JSON-LD structured data against Google's rich results requirements without setting up any credentials or tooling. It is ideal for SEO audits, pre-launch checks, and debugging why a page isn't generating rich results. Prefer this over generic HTML scrapers when you specifically need schema.org type detection and property-level validation feedback aligned with Google's requirements. Supports up to 3 URLs per call, making it practical for spot-checks and targeted audits rather than full-site crawls.

Side effects

URL is unreachable or returns non-200 status — reported as a failed lookup, not charged
Page has no JSON-LD structured data — returns empty findings with no schema types detected
More than 3 URLs submitted — request rejected due to maxItems constraint
Malformed URL in input array — validation error returned
Page blocks crawlers via robots.txt or bot detection — fetch fails and is reported
Structured data present but uses Microdata or RDFa instead of JSON-LD — may not be extracted

Input

Schema · Request body

Field	Type	Description
urls	array	Pages to check, e.g. ["https://your-site.com/product"]. One report per URL.

Output

Schema · Response

{
  "type": "json",
  "example": {
    "items": [
      {
        "url": "https://www.apple.com/",
        "note": "Read-only parse of the page's JSON-LD. Validates the common rich-result types against Google's required/recommended properties; always confirm in Google's Rich Results Test.",
        "signal": "valid",
        "fetched": true,
        "finalUrl": "https://www.apple.com/",
        "findings": [],
        "checkedAt": "2026-10-24T13:50:17+00:00",
        "itemsFound": 8,
        "typesFound": [
          "ContactPoint",
          "Organization",
          "SearchAction",
          "WebPage",
          "WebSite"
        ],
        "validations": [
          {
            "type": "Organization",
            "valid": true,
            "validated": true,
            "missingRequired": [],
            "missingRecommended": []
          },
          {
            "type": "Organization",
            "valid": true,
            "validated": true,
            "missingRequired": [],
            "missingRecommended": [
              "logo",
              "sameAs"
            ]
          },
          {
            "type": "WebSite",
            "valid": true,
            "validated": true,
            "missingRequired": [],
            "missingRecommended": []
          }
        ],
        "jsonLdBlocks": 3,
        "microdataItems": 0,
        "untypedOrUnknown": [
          "ContactPoint",
          "ContactPoint",
          "ContactPoint",
          "SearchAction",
          "WebPage"
        ],
        "invalidJsonLdBlocks": 0
      }
    ]
  }
}

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