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Web URL to Markdown Distiller with BM25 Budget Control
Web URL to Markdown Distiller with BM25 Budget Control 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 URL (or raw HTML) and distills it into compact, agent-ready markdown, structured JSON, skeleton outline, or BM25-focused token-budget excerpt
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/spa-markdown-reader)
Output
Returns a data object containing the distilled content (markdown text, structured JSON tables/metadata, skeleton outline, or BM25-focused excerpt depending on mode), alongside an roi_proof block showing raw token count, distilled token count, tokens saved, compression ratio percentage, ROI multiplier, and estimated LLM cost saved in USD. Also includes cache status (HIT/MISS) and optional billing details.
Example use cases
Documentation page compression for agent
“Fetch https://platform.openai.com/docs/guides/function-calling and distill it into clean markdown so I can feed it to my agent without blowing my context window.”
BM25 budget excerpt for research query
“Pull https://en.wikipedia.org/wiki/Transformer_(machine_learning_model) and extract only the parts relevant to 'attention mechanism', capped at 300 tokens in budget mode.”
Structured data extraction from landing page
“Take https://stripe.com/pricing and distill it into structured JSON tables so I can compare their pricing tiers programmatically.”
Technical details
Endpoint
GEThttps://x402broker.com/v1/spa-markdown-reader?utm_source=zero.xyzWhen to prefer
Choose this endpoint when an AI agent needs to ingest live web content within a strict token budget, especially for documentation pages, research articles, or landing pages. It is ideal when you want BM25-ranked relevance filtering rather than raw full-page scraping, or when you need compression metrics (ROI proof) to justify the fetch cost. Prefer this over generic scrapers when LLM token cost savings and structured markdown output are priorities.
Side effects
- URL is unreachable or returns non-200 status — endpoint may error or return empty data
- Paywalled or JavaScript-heavy SPA content may not render correctly without a full browser
- Token budget too low (below 20) causes validation rejection
- Raw HTML payload too large may exceed processing limits
- BM25 query not specified when mode=budget may produce unfocused results
- Payment failure via x402 protocol results in 402 response and no content returned
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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