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Definition Descriptions – Distinct Attribute Values Extractor
x402
Definition Descriptions – Distinct Attribute Values Extractor 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).
Parses a public webpage or supplied HTML to extract all distinct values of a specified HTML attribute found on elements matching a given term (e.g. all unique `id` values on `<dd>` elements for 'product').
Price / call$0.01
Success—
StatusUnknown
How this service works
Definition descriptions — Distinct attribute values: Distinct attribute values for Definition descriptions. 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 distinct attribute values result.
Output
Returns a bounded list of distinct (deduplicated) values found for the specified HTML attribute across all matching elements on the page or HTML fragment, filtered against any previously seen values.
Example use cases
Audit attribute values on docs page
“Fetch https://developer.mysite.com/reference and give me every unique value of the data-section attribute that appears on definition elements for the term 'endpoint' — I've already seen ['overview', 'intro'] so skip those.”
Catalog CSS classes on product listings
“Parse this HTML snippet and list all the distinct class attribute values on elements related to 'billing' — here's the HTML: <dd class='billing-item active'>Invoice</dd><dd class='billing-item pending'>Credit</dd>.”
Identify unique IDs on glossary entries
“Check https://glossary.example.com/terms and extract all the distinct id attribute values on elements matching the term 'definition', so I can map which anchors exist on the page.”
Technical details
Endpoint
POSThttps://market.datapackvibe.com/x402/assistant-bx-web-definition-text-attribute-values?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need to enumerate the distinct values of a specific HTML attribute (like id, class, data-*, role, aria-*) across elements that match a particular keyword term on a webpage — especially when you want deduplication against previously seen values. Prefer this over generic scrapers when the task is specifically about attribute-value enumeration on definition/description elements.
Side effects
- URL is inaccessible, paywalled, or requires JavaScript rendering — returns empty or error
- Attribute name doesn't match the regex pattern (must start with a letter, max 50 chars) — validation error
- HTML or URL exceeds size limits (100,000 chars for HTML, 2048 for URL) — truncation or rejection
- No matching elements found for the given term — empty result set
- Previous texts list exceeds 200 items — request rejected
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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