Structured Data for Claude: What Works
Schema markup strategies that improve your visibility in Claude.
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- March 13, 2026
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Claude can't see your schema markup directly, but it reads the pages where your structured data lives. When Claude crawls content for its responses, clean markup helps it parse facts correctly. The difference between 'Founded around 2020' and 'Founded in 2021' often comes down to how well your data is structured. Here's what actually moves the needle.
The Problem
Most brands add schema markup hoping AI will magically understand them better. But Claude processes structured data differently than search engines. It's looking for clear, parseable information that confirms what it finds in your content, not hidden metadata.
The Solution
The trick isn't more schema types - it's strategic markup that makes your key facts impossible to misread. Focus on the structured data that directly supports the claims in your visible content. Claude rewards consistency between what users see and what your markup declares.
Start with Organization schema on your About page
Add foundingDate, description, and founder properties. Claude frequently pulls from About pages when answering 'What is [Brand]?' questions. Make sure your schema exactly matches your visible content - if your page says 'Founded in 2021,' your foundingDate better be 2021-01-01, not an approximation.
Mark up product pricing with Offer schema
Claude struggles with pricing that changes or has multiple tiers. Use structured Offer markup on pricing pages with exact amounts, currency, and availability dates. Include validFrom and validThrough dates to prevent Claude from citing outdated prices months later.
Add FAQ schema to your support pages
Claude loves pulling from FAQ formats. Structure your support content with proper Question and Answer markup. This is especially powerful for correcting misconceptions - if competitors spread wrong info, a well-marked FAQ can become Claude's source of truth.
Use Article schema for blog posts and announcements
Mark up product launches, funding announcements, and feature releases with Article schema. Include precise datePublished and author information. Claude often cites recent articles when discussing company developments, and clean markup helps it pull accurate details.
Structure contact information with ContactPoint schema
Add structured contact data to your main pages. Claude sometimes includes contact methods in company descriptions, especially for B2B queries. Clean ContactPoint markup prevents it from hallucinating phone numbers or email formats.
Test your markup with Google's Rich Results tool
Validate all structured data before publishing. Broken markup is worse than no markup - Claude might misinterpret malformed schema and confidently state wrong information. Google's testing tool catches most errors that would confuse AI systems.
Frequently Asked Questions
Does Claude read JSON-LD or microdata better?
Claude processes both, but JSON-LD is cleaner and less likely to break when you update page content. Stick with JSON-LD in the page head for easier maintenance and better compatibility with AI parsing.
How long until structured data changes appear in Claude?
Claude doesn't crawl on a fixed schedule like search engines. Changes typically appear within 2-4 weeks of publishing, but there's no guaranteed timeline. Focus on getting the markup right rather than expecting immediate results.
Should I mark up every page or focus on key pages?
Focus on pages Claude is most likely to reference: About, pricing, FAQ, and recent announcements. Perfect markup on 5 important pages beats mediocre markup on 50 pages.
What happens if my structured data contradicts my page content?
Claude will likely get confused and might combine information incorrectly. Always ensure your schema exactly matches what users see on the page. Consistency is more important than comprehensive markup.
Can structured data fix hallucinations about my brand?
It helps, but isn't a complete solution. Structured data works best when combined with clear, authoritative content. If Claude is hallucinating facts, you also need to address the underlying content and external sources it's drawing from.