# Web Page & HTML Distiller with BM25 Budget Control

> Web Page & HTML Distiller with BM25 Budget Control is a paid API for AI agents from defi-yield.agentdiet.dev, paid per call via MPP, $0.001/call, status unknown (last checked 2026-10-23).

Fetches a URL or accepts raw HTML and distills it into compressed Markdown, structured JSON, skeleton outline, or a BM25-ranked token-budget excerpt

## Facts

- Endpoint: POST https://defi-yield.agentdiet.dev/v1/prompt-compress?utm_source=zero.xyz
- Price: $0.001/call
- Payment: MPP
- Status: unknown
- Last checked: 2026-10-23
- Activations on Zero: 0
- Provider: defi-yield.agentdiet.dev
- Website: https://defi-yield.agentdiet.dev
- Canonical page: https://www.zero.xyz/c/defi-yield-agentdiet-dev-web-page-html-distiller-with-bm25-budget-2b71dcca
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_oVeersI-wshcwfWYdqvw7

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability defi-yield-agentdiet-dev-web-page-html-distiller-with-bm25-budget-2b71dcca -d '<json body>'
```

Example prompt: Distill https://stripe.com/docs/payments/accept-a-payment into a budget excerpt focused on 'webhook events' and keep it under 300 tokens so it fits cleanly in my prompt context.

## When to prefer this

Choose this endpoint when you need to feed webpage content to an LLM but must stay within a token budget, want BM25-ranked relevance filtering around a specific query, or need to convert raw HTML into clean Markdown or structured JSON. It is especially valuable when context window costs matter and you want quantified proof of compression savings. Prefer it over generic scraping endpoints when you need distilled, agent-ready output rather than raw HTML.

## Known failure modes

- URL is unreachable or returns non-200 — fetch failure error
- HTML payload is empty or malformed — parsing error
- max_tokens set below minimum of 20 — validation error
- mode=budget used without a query field — missing BM25 query error
- Rate limit exceeded — 429 response
- Payment not processed — 402 payment required

## How this service works

Distill a URL or raw HTML payload with BM25 budget control (Live x402 v2, IETF MPP & MCP endpoint at https://defi-yield.agentdiet.dev/v1/prompt-compress)

## Output

Returns a data object containing the distilled content in the requested format (Markdown, structured JSON, skeleton, or BM25 budget excerpt), alongside an roi_proof block showing raw vs. distilled token counts, compression ratio percentage, tokens saved, and estimated LLM cost saved in USD. Also includes optional cache hit/miss status and billing details.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "url"
 ],
 "properties": {
  "url": {
   "type": "string",
   "minLength": 1,
   "description": "Target webpage URL to fetch and distill (or builtin://stripe-docs)"
  },
  "html": {
   "type": "string",
   "description": "Optional raw HTML string to distill directly without fetching"
  },
  "mode": {
   "enum": [
    "markdown",
    "structured",
    "skeleton",
    "budget"
   ],
   "type": "string",
   "default": "markdown",
   "description": "Distillation mode"
  },
  "query": {
   "type": "string",
   "description": "BM25 focus query when mode=budget"
  },
  "max_tokens": {
   "type": "integer",
   "minimum": 20,
   "description": "Strict token budget ceiling when mode=budget"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "status",
  "roi_proof",
  "data"
 ],
 "properties": {
  "data": {
   "type": "object",
   "description": "Distilled Markdown, structured JSON tables/metadata, skeleton outline, or BM25 budget excerpt."
  },
  "cache": {
   "type": "object",
   "properties": {
    "status": {
     "enum": [
      "HIT",
      "MISS"
     ],
     "type": "string"
    },
    "cache_key": {
     "type": "string"
    },
    "latency_ms": {
     "type": "number"
    }
   }
  },
  "status": {
   "type": "string",
   "description": "Execution status ('ok')"
  },
  "billing": {
   "type": "object",
   "properties": {
    "agent_id": {
     "type": "string"
    },
    "payment_method": {
     "type": "string"
    },
    "fee_charged_usd": {
     "type": "number"
    }
   }
  },
  "roi_proof": {
   "type": "object",
   "properties": {
    "raw_tokens": {
     "type": "integer"
    },
    "tokens_saved": {
     "type": "integer"
    },
    "roi_multiplier": {
     "type": "number"
    },
    "distilled_tokens": {
     "type": "integer"
    },
    "llm_cost_saved_usd": {
     "type": "number"
    },
    "compression_ratio_pct": {
     "type": "number"
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/defi-yield-agentdiet-dev-web-page-html-distiller-with-bm25-budget-2b71dcca/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from defi-yield.agentdiet.dev](https://www.zero.xyz/host/defi-yield.agentdiet.dev/llms.txt)