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Definition Lists — Distinct Attribute Values Extractor
x402
Definition Lists — 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 2026-10-16).
Extracts a deduplicated set of distinct values for a specified HTML attribute from definition list (<dl>) elements on a given webpage or HTML snippet.
Price / call$0.01
Success—
StatusUnknown
How this service works
Definition lists — Distinct attribute values: Distinct attribute values for Definition lists. 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 set of distinct, deduplicated values found for the specified HTML attribute across all matching <dl> elements on the parsed page or HTML snippet, filtered by the given term and optionally excluding previously seen values. No JavaScript rendering is performed — only static HTML is parsed.
Example use cases
Audit HTML attribute consistency across a glossary
“Fetch the page at https://docs.mysite.com/glossary and list all distinct values of the 'data-category' attribute used on definition list elements mentioning the term 'feature' — I want to make sure there are no typos or inconsistent values.”
Scrape definition list IDs from a supplied HTML snippet
“I have some HTML with definition lists — can you extract all distinct values of the 'id' attribute from those dl elements that mention the term 'guide'? Here's the HTML: <!doctype html><html><body><dl id='guide-1' data-type='how-to'>Setup guide</dl><dl id='guide-2' data-type='reference'>API guide</dl></body></html>”
Filter previously seen dl attribute values
“Go to https://products.example.com/catalog and pull all distinct 'data-section' attribute values on definition list elements about 'accessories', but skip any you've already seen from last time — those were 'electronics' and 'clothing'.”
Technical details
Endpoint
POSThttps://market.datapackvibe.com/x402/assistant-bx-web-definition-lists-attribute-values?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to enumerate all unique values of a specific HTML attribute on <dl> definition list elements from a static web page or raw HTML snippet, particularly for auditing consistency, building inventories of structured term attributes, or filtering out previously seen values. Prefer this over general-purpose scrapers when the target content is specifically definition lists and you need a deduplicated attribute-value result without JavaScript rendering overhead.
Side effects
- URL is unreachable or returns a non-200 status — no content to parse
- Supplied HTML has no <dl> elements matching the term — empty result set returned
- Attribute name does not match pattern ^[a-zA-Z][a-zA-Z0-9:_-]{0,49}$ — validation error
- HTML exceeds 100,000 character limit — input rejected
- URL exceeds 2048 character limit — input rejected
- Page requires JavaScript rendering — static parser returns incomplete or empty results
- Login-gated or access-restricted pages return no usable content
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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