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Heading Structure Audit
x402
Heading Structure Audit is a paid API for AI agents from intel.rallylive.ca, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-14).
Audits a webpage's H1-H6 heading structure, reporting all headings with text, H1 count, skipped levels, empty headings, and a hierarchical outline tree for SEO and accessibility fixes.
Price / call$0.01
Success—
StatusUnknown
How this service works
Heading structure audit: all H1-H6 with text, H1 count (should be one), skipped levels, empty headings, and the outline as a tree. Fix on-page SEO and accessibility structure. $0.01 per page.
Output
Returns all H1-H6 headings found on the page with their text content, the total H1 count (flagging if more than one exists), a list of any skipped heading levels (e.g. H2 jumping to H4), a list of empty headings, and the full heading hierarchy as a nested outline tree.
Example use cases
SEO heading audit for a blog post
“Check the heading structure of https://myblog.com/2024/best-practices and let me know if there are multiple H1 tags, any skipped heading levels, or empty headings I need to fix.”
Accessibility compliance check for a landing page
“Run a heading audit on https://acme.com/products/widget — I need to know if the H1-H6 hierarchy is accessible and if any levels are skipped or missing.”
Editorial content outline review
“Can you pull the full heading outline tree from https://news.example.com/article/top-story so I can see how the content is structured from H1 down to H6?”
Technical details
Endpoint
GEThttps://intel.rallylive.ca/site/h1-auditWhen to prefer
Choose this endpoint when you need a structured, machine-readable breakdown of a webpage's heading hierarchy for SEO auditing or accessibility compliance — especially when you want explicit flags for multiple H1s, skipped levels, empty headings, and a full outline tree in one call, rather than scraping raw HTML yourself.
Side effects
- Invalid or unreachable URL returns an error with no heading data
- Pages with no headings return empty arrays and zero H1 count
- JavaScript-rendered headings may be missed if the page requires client-side rendering
- Rate limiting or payment failure results in a 402 or 429 response
- Malformed query parameters return a validation error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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