# x402broker Web Distiller with BM25 Budget Control

> x402broker Web 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 2026-10-23).

Fetches and distills a URL or raw HTML into compact Markdown, structured JSON, a skeleton outline, or a BM25-focused token-budget excerpt

## Facts

- Endpoint: POST https://x402broker.com/v1/token-optimizer?utm_source=zero.xyz
- Price: $0.001/call
- Payment: MPP
- Status: unknown
- Last checked: 2026-10-23
- Activations on Zero: 0
- Provider: x402broker.com
- Website: https://x402broker.com
- Canonical page: https://www.zero.xyz/c/x402broker-com-x402broker-web-distiller-with-bm25-budget-control-fc2209d5
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_K7EwvSegOxH3B3cHXObrV

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 x402broker-com-x402broker-web-distiller-with-bm25-budget-control-fc2209d5 -d '<json body>'
```

Example prompt: Fetch the Stripe docs page at https://stripe.com/docs/payments and distill it in budget mode focused on the query 'payment intents' with a max of 500 tokens, so I can use it in my prompt without blowing my context window.

## When to prefer this

Choose this endpoint when you need to reduce token overhead before passing web content to an LLM — especially when you have a strict context budget, a specific focus query (BM25 mode), or raw HTML you want cleaned up. It's ideal for agentic pipelines that ingest live web pages, documentation, or scraped HTML and need cost-efficient, noise-free text. Prefer it over generic scrapers when token savings and ROI metrics matter, or when you need structured JSON/skeleton output rather than raw HTML.

## Known failure modes

- URL is unreachable or returns non-200 — endpoint may error or return empty distillation
- Raw HTML is malformed beyond parsing — distillation quality may degrade
- mode=budget without a query or max_tokens — may default to basic markdown mode
- Token budget too small (below 20) — rejected by schema validation
- Rate limiting or payment failure via x402 — returns HTTP 402 with payment requirement
- Large pages with heavy JavaScript rendering may not be fully captured via fetch

## 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/token-optimizer)

## Output

Returns a JSON object with a 'data' field containing the distilled content (Markdown, structured JSON, skeleton, or BM25 excerpt), an 'roi_proof' object showing raw vs. distilled token counts, compression ratio, tokens saved, and estimated LLM cost savings, plus 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/x402broker-com-x402broker-web-distiller-with-bm25-budget-control-fc2209d5/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x402broker.com](https://www.zero.xyz/host/x402broker.com/llms.txt)