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Semantic HTML Pruner – Web URL Distillation
Semantic HTML Pruner – Web URL Distillation is a paid API for AI agents from x402broker.com, paid per call via MPP, $0.001/call, status unknown (last checked 2026-10-21).
Fetches a webpage (or accepts raw HTML) and compresses it into compact, agent-ready tokens using configurable distillation modes including BM25 budget-controlled extraction
Price / call$0.001
Success—
StatusUnknown
How this service works
Distill a URL or raw HTML payload with BM25 budget control (Live x402 v2, IETF MPP & MCP endpoint at https://x402broker.com/v1/semantic-html-pruner)
Output
Returns a JSON object with a 'data' field containing the distilled content (Markdown text, structured JSON tables/metadata, skeleton outline, or BM25-ranked excerpt depending on mode), along with an 'roi_proof' object showing raw vs. distilled token counts, compression ratio percentage, tokens saved, ROI multiplier, and estimated LLM cost saved in USD. Also includes optional cache hit/miss status and billing info.
Example use cases
Research page summarization for RAG pipeline
“Pull https://openai.com/research/gpt-4 and distill it into clean markdown so I can drop it into my retrieval-augmented generation pipeline without blowing my context window.”
Budget-focused competitive intel extraction
“Distill https://www.anthropic.com/pricing into structured mode and keep it under 300 tokens — I only want the pricing table and plan tiers.”
Skeleton outline of long documentation page
“Fetch https://docs.aws.amazon.com/lambda/latest/dg/welcome.html and give me a skeleton outline so I can see the high-level structure before deciding which sections to read in full.”
Technical details
Endpoint
GEThttps://x402broker.com/v1/semantic-html-pruner?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need to feed web content into an LLM but want to minimize token usage and cost. It is particularly valuable when working with long documentation pages, news articles, or any HTML-heavy source where boilerplate, navigation, and ads inflate token counts. Prefer it over raw fetch-and-pass approaches whenever context window size or per-token LLM cost is a concern, or when you need BM25-ranked focused extraction around a specific query rather than the full page.
Side effects
- Invalid or unreachable URL returns an error status
- Paywalled or bot-blocked pages may return empty or partial content
- max_tokens set too low may produce truncated or empty output
- query parameter missing when mode=budget reduces BM25 ranking quality
- Raw HTML input that is malformed may produce garbled distillation
- Rate limiting or payment failure via x402 protocol blocks the request
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| urlrequired | string | Target webpage URL to fetch and distill (or builtin://stripe-docs) |
| html | string | Optional raw HTML string to distill directly without fetching |
| mode | string | Distillation mode |
| query | string | BM25 focus query when mode=budget |
| max_tokens | integer | Strict token budget ceiling when mode=budget |
Output
Schema · Response
| Field | Type | Description |
|---|---|---|
| datarequired | object | Distilled Markdown, structured JSON tables/metadata, skeleton outline, or BM25 budget excerpt. |
| cache | object | |
| statusrequired | string | Execution status ('ok') |
| billing | object | |
| roi_proofrequired | object |
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