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SEO Data Extractor
x402
SEO Data Extractor is a paid API for AI agents from seo-data-extractor.underscoredone.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-14).
Fetches a webpage and returns structured SEO metadata including title, meta tags, headings, canonical URL, robots directives, link count, and HTTP status code.
Price / call$0.01
Success—
StatusUnknown
How this service works
Give this API a web address and it will visit that page, then hand back everything an SEO professional needs to know: the page title, meta description, meta keywords, robots instructions, canonical link, H1/H2/H3 headings, how many links are on the page, and the HTTP status code. No setup required — just paste a URL and get structured data back in under two seconds.
Output
Returns structured SEO data for the given page including: page title, meta description, meta keywords, robots tag content, canonical link, H1/H2/H3 heading lists, total link count on the page, and the HTTP status code of the response.
Example use cases
Example prompt
“Pull all the SEO metadata from https://www.acmecorp.com/blog/best-practices — I need the page title, meta description, canonical URL, all H1 through H3 headings, and the HTTP status code. Give it up to 12 seconds to respond.”
Technical details
Endpoint
POSThttps://seo-data-extractor.underscoredone.com/extractWhen to prefer
Choose this endpoint when you need a fast, cheap ($0.01), no-setup SEO metadata snapshot of a single URL. Ideal for SEO audits, content pipelines, competitive research, or validating on-page signals without maintaining your own browser infrastructure. Best suited for static or server-rendered pages; may miss JS-rendered content.
Side effects
- Page does not respond within the specified timeout (1-15 seconds) — returns a timeout error
- Invalid or malformed URL provided — returns a validation error
- Target page returns a non-200 HTTP status (e.g. 404, 500) — status code is still returned but content extraction may be partial
- Page requires JavaScript rendering to expose content — static fetch may miss dynamically injected meta tags
- Page blocks bots via robots.txt or firewall — may return empty or incomplete metadata
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| url | string | The full web address of the page you want to analyse, including http:// or https://. Example: https://www.example.com |
| timeout_seconds | integer | How many seconds to wait for the page to respond before giving up. Must be between 1 and 15. Defaults to 10 if not provided. |
Output
Schema · Response
{
"type": "json",
"example": {
"url": "https://www.onescales.com",
"h1_tags": [],
"h2_tags": [
"Join our Newsletter",
"Size chart",
"Follow Us on Social Media"
],
"h3_tags": [
"Intro to One Scales"
],
"final_url": "https://onescales.com/",
"num_links": 187,
"title_tag": "One Scales - Ecommerce, Analytics, Tech, Shopify & Marketing Tutorials",
"api_version": "1.0.0",
"meta_robots": "",
"status_code": 200,
"canonical_tag": "https://onescales.com/",
"meta_keywords": "",
"meta_description": "We Create Tutorials, How-To's and Share Insight about E-commerce, Web, Tech, AI, Shopify, Analytics, SEO, PPC, Marketing and More."
}
}Tags
x402
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