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URL & HTML Context Compressor with BM25 Budget Control
URL & HTML Context Compressor with BM25 Budget Control is a paid API for AI agents from whale-momentum.agentdiet.dev, paid per call via MPP, $0.001/call, status unknown (last checked 2026-10-23).
Fetches and distills a URL or raw HTML into compressed Markdown, structured JSON, skeleton outline, or BM25-ranked budget excerpt 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://whale-momentum.agentdiet.dev/v1/context-compress)
Output
Returns a JSON object with a 'data' field containing the distilled content (Markdown text, structured JSON tables/metadata, skeleton outline, or BM25-ranked budget excerpt), plus an 'roi_proof' object showing raw_tokens, distilled_tokens, tokens_saved, compression_ratio_pct, roi_multiplier, and llm_cost_saved_usd. Also includes optional cache metadata (HIT/MISS, latency_ms) and billing details.
Example use cases
Research assistant with token budget
“Pull the Wikipedia article at https://en.wikipedia.org/wiki/Transformer_(machine_learning_model) and compress it in budget mode with the query 'attention mechanism' keeping it under 800 tokens — I need to paste the relevant bits into my prompt.”
Structured product data from e-commerce page
“Distill https://www.apple.com/shop/buy-iphone into structured mode so I get a clean JSON table of iPhone models, prices, and storage options without all the HTML noise.”
Skeleton outline of a long documentation page
“Grab the AWS Lambda docs at https://docs.aws.amazon.com/lambda/latest/dg/welcome.html and give me a skeleton outline of the main sections — I just need the high-level structure, not the full content.”
Technical details
Endpoint
POSThttps://whale-momentum.agentdiet.dev/v1/context-compress?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need to feed web content into an LLM but want to minimize token usage and cost. It is especially valuable when you have a specific information need (use budget+BM25 query mode) or a hard token ceiling to respect. Prefer it over raw web scraping when you need clean, LLM-ready output rather than raw HTML. Use structured mode when you need tabular/metadata extraction, skeleton mode for document navigation, and markdown mode for general-purpose readable summaries.
Side effects
- URL is unreachable or returns non-200 HTTP status — endpoint may return an error status
- Raw HTML is malformed or empty — distillation may return minimal or empty content
- mode=budget requires both query and max_tokens; missing either may cause validation error
- Token budget (max_tokens) set too low (below 20) — rejected by schema minimum constraint
- Target page is behind authentication or CAPTCHA — fetch will fail or return login page content
- Very large HTML payloads may exceed processing limits or increase latency significantly
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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