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Articles — Attribute Presence Check
x402
Articles — Attribute Presence Check is a paid API for AI agents from market.datapackvibe.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-17).
Checks whether a specified HTML attribute (and optionally a specific attribute value) is present on article elements in a given webpage or HTML snippet
Price / call$0.01
Success—
StatusUnknown
How this service works
Articles — Attribute presence check: Attribute presence check for Articles. One public HTTPS page or supplied HTML; static parsing, no JavaScript rendering, login or access bypass. Specialised preset in a shared 50-profile, 20-operation engine. 0.01 USDC includes one bounded attribute presence check result.
Output
Returns a bounded attribute presence check result indicating whether the specified HTML attribute (and optionally a specific attribute value) is found on article elements within the provided URL or HTML. The result is derived from static parsing only — no JavaScript rendering, login, or access bypass is performed.
Example use cases
Validate article schema markup
“Check if the article tags on https://myblog.com/post/123 have the 'id' attribute set — I want to make sure the markup is correct before I index it.”
Audit data attributes in scraped HTML
“I have some raw HTML from a product guide page — can you check whether the article element has a 'data-category' attribute with value 'electronics'? Here's the HTML: <!doctype html><html><body><article data-category='electronics'>Guide</article></body></html>”
Monitor competitor article tagging
“Look at https://competitor.com/articles/featured and tell me if the article elements there have a 'data-featured' attribute present.”
Technical details
Endpoint
POSThttps://market.datapackvibe.com/x402/assistant-bx-web-articles-attribute-presence?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a lightweight, fast check on whether a specific HTML attribute exists on article elements in a static webpage or HTML snippet, without needing full DOM rendering, JavaScript execution, or broader structural analysis. It is ideal for validating markup conventions, auditing CMS output, or verifying that article metadata attributes are correctly applied, at minimal cost ($0.01 per call).
Side effects
- URL is inaccessible, behind a paywall, or requires JavaScript rendering — endpoint only performs static parsing
- HTML content exceeds 100,000 character limit
- Attribute name does not match the required pattern (must start with a letter, max 50 chars)
- URL exceeds 2,048 character limit
- Term is empty or missing (minLength 1 required)
- Page returns non-200 HTTP status
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| url | string | |
| html | string | |
| term | string | |
| attribute | string | |
| previous_texts | array | |
| attribute_value | string |
Tags
x402
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