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Web Distillation with BM25 Budget Control
Web Distillation with BM25 Budget Control is a paid API for AI agents from preflight.agentdiet.dev, paid per call via MPP, $0.001/call, status unknown (last checked 2026-10-21).
Fetches and distills a URL or raw HTML into compact, agent-ready tokens using BM25-scored budget control to maximize relevance within a strict token ceiling
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://preflight.agentdiet.dev/v1/distill)
Output
Returns a 'data' object containing the distilled content (Markdown, structured JSON, skeleton, or BM25-budget excerpt), an ROI proof block showing raw vs distilled token counts, compression ratio, tokens saved, and estimated LLM cost saved in USD, plus optional cache hit/miss status and billing details.
Example use cases
Research article compressed for agent
“Distill https://en.wikipedia.org/wiki/Transformer_(machine_learning_model) into budget mode focused on 'attention mechanism', capped at 300 tokens — I need just the most relevant bits for my LLM context window.”
Competitor pricing page extraction
“Fetch and distill https://openai.com/pricing into structured mode so I can get a clean JSON table of their pricing tiers without wasting tokens on nav bars and footers.”
Raw HTML doc skeleton for navigation
“I have a big HTML blob from our internal docs — can you distill it into skeleton mode so I get just the outline of headers and sections without any body content?”
Technical details
Endpoint
GEThttps://preflight.agentdiet.dev/v1/distill?utm_source=zero.xyzWhen to prefer
Choose this endpoint when an AI agent needs to consume web content within a strict token budget and wants BM25-ranked relevance scoring to ensure the most pertinent content survives compression. Ideal over generic scrapers when cost savings and token efficiency are priorities, or when consuming third-party docs (like Stripe) that are verbose but only partially relevant to a task.
Side effects
- Missing required 'url' parameter returns validation error
- Unreachable or invalid URLs result in fetch failure
- mode=budget without 'query' may return unfiltered or lower-quality excerpt
- max_tokens below minimum (20) triggers schema validation error
- Payment failure via x402 results in 402 response blocking content
- Very large pages may hit internal processing limits
- HTML-only input without url may produce incomplete metadata
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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