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Web URL to Compact Markdown Distiller (BM25 Budget)
Web URL to Compact Markdown Distiller (BM25 Budget) is a paid API for AI agents from prompt-guard.agentdiet.dev, paid per call via MPP, $0.001/call, status unknown (last checked 2026-10-21).
Fetches a URL or raw HTML and distills it into compact, agent-ready Markdown, structured JSON, skeleton outline, or BM25-focused token-budgeted 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://prompt-guard.agentdiet.dev/v1/spa-markdown-reader)
Output
Returns a JSON object with a 'data' field containing the distilled content (Markdown text, structured JSON, skeleton outline, or BM25 excerpt depending on mode), an 'roi_proof' object showing raw_tokens, distilled_tokens, tokens_saved, compression_ratio_pct, and llm_cost_saved_usd, plus optional cache status and billing details.
Example use cases
Distill documentation for agent context
“Grab https://docs.openai.com/api-reference and distill it into a skeleton outline so I can quickly understand the structure without blowing my context window.”
BM25-focused research extraction
“Fetch https://en.wikipedia.org/wiki/Large_language_model and give me only the parts most relevant to 'training data and compute cost', capped at 500 tokens using budget mode.”
Structured data extraction from a live page
“Pull https://finance.yahoo.com/quote/AAPL and distill it in structured mode so I can get the tables and key metadata as JSON.”
Technical details
Endpoint
GEThttps://prompt-guard.agentdiet.dev/v1/spa-markdown-reader?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need to feed live web content to an LLM but must stay within a token budget or reduce inference cost. It is especially useful for SPA pages that require JavaScript rendering, for situations where you want BM25-focused relevance filtering rather than full-page dumps, or when you need structured/tabular extraction. Prefer it over generic scrapers when token efficiency and ROI metrics matter to your agent pipeline.
Side effects
- Invalid or unreachable URL returns an error status
- JavaScript-heavy SPA pages may time out or partially render
- max_tokens too low may yield an empty or truncated excerpt
- BM25 query with no relevant matches returns minimal content
- Raw HTML too large may be rejected or truncated
- Payment not provided triggers HTTP 402 response
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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