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Web URL Context Trimmer & Distiller
Web URL Context Trimmer & Distiller 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 and distills a web URL or raw HTML into compact, agent-ready tokens using BM25 budget control and multiple extraction modes
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/context-trimmer)
Output
Returns a data object with distilled content in the requested format (markdown, structured JSON, skeleton, or BM25-focused excerpt), plus an roi_proof block showing raw_tokens, distilled_tokens, tokens_saved, compression_ratio_pct, and llm_cost_saved_usd; optionally includes cache hit/miss status and billing details.
Example use cases
Fitting docs into LLM context window
“Pull the Stripe API docs from https://stripe.com/docs/api and compress them into structured markdown under 1500 tokens so I can include them in my prompt without blowing my context limit.”
BM25-focused research extraction
“Fetch https://openai.com/research/gpt-4 and use budget mode with the query 'multimodal capabilities' to give me only the most relevant excerpts, capped at 800 tokens.”
Webpage skeleton for navigation planning
“Get the skeleton outline of https://docs.github.com/en/actions so I can see the page structure and section headings without pulling all the full content.”
Technical details
Endpoint
GEThttps://x402broker.com/v1/context-trimmer?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need to reduce token consumption from web content before passing it to an LLM — especially when working with large documentation pages, news articles, or any URL whose raw content would exceed your context window. It is particularly valuable when you have a specific query focus (BM25 mode) or need structured/skeleton extraction rather than raw text. Prefer it over generic web scrapers when token budget control and LLM cost savings are priorities.
Side effects
- Invalid or unreachable URL returns an error status
- max_tokens below minimum of 20 is rejected
- mode=budget without a query may return unfiltered or poor results
- Rate limiting or 402 payment failure if billing not configured
- Very large pages may still exceed budget if content is dense
- HTML-only input without url field requires html parameter to be populated
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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