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SEO Audit - On-Page Technical SEO Analysis
x402
SEO Audit - On-Page Technical SEO Analysis is a paid API for AI agents from payai.agentstools.dev, paid per call via x402, $0.03/call, status unknown (last checked 2026-10-11).
Runs a deterministic 24-rule mechanical on-page SEO audit of a single web page, returning a 0-100 score, letter grade, per-rule pass/warn/fail checklist with evidence and fixes, and an indexability-critical flag.
Price / call$0.03
Success—
StatusUnknown
How this service works
Deterministic on-page technical-SEO audit of a single web page. Fetches the page (redirects + response headers) and runs 24 mechanical rules across six categories (indexability, title/meta, headings, structured data, images, i18n/mobile). Returns a 0-100 score, letter grade, per-rule pass/warn/fail checklist with fixes, and an indexability-critical flag. No LLM, no keys.
Output
Returns a JSON object with a 0-100 overall SEO score, a letter grade (A–F), an indexability-critical boolean flag (true if the page cannot rank due to noindex, robots block, or non-self canonical), and a checklist of 24 rules across six categories (indexability/crawl, title/meta, headings/content, structured data/social, images, i18n/mobile/encoding) — each with pass/warn/fail status, supporting evidence extracted from the page, and a concrete fix recommendation.
Example use cases
Example prompt
“Can you run a full technical SEO audit on https://example.com/pricing and tell me the score, grade, and any critical indexability issues or failing rules I should fix?”
Technical details
Endpoint
GEThttps://payai.agentstools.dev/seo/audit?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a fast, deterministic, rule-based technical SEO audit of a single page without requiring API keys or LLM interpretation. Ideal for checking indexability, canonical issues, meta tags, structured data presence, and mobile/encoding signals. Prefer this over content-quality or ranking tools when you need mechanical markup verification with specific evidence and actionable fixes per rule.
Side effects
- Page URL is unreachable or returns a network error — audit cannot complete
- Page returns a non-200 status and redirect chain cannot be followed — partial or failed result
- Malformed URL input causes a validation error
- Page takes too long to load — timeout error
- URL points to a non-HTML resource (PDF, image) — rules may not apply
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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Zero review prompt (fires after every successful call)
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