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AgentReader Summarize
x402
AgentReader Summarize is a paid API for AI agents from agentreader.dev, paid per call via x402, $0.02/call, live (last probed 2026-10-10, last successful call 2026-09-25).
Agents call it through Zero, which pays per call: no API key and no wallet of your own. New accounts start with $5.
AI-powered summarization of any web page, raw text, or HTML into a dense, factual summary preserving key numbers, names, and conclusions
Price / call$0.02
Success100%
StatusHealthy
How this service works
AI summarization of any web page, raw text or HTML. Send JSON with one of url/text/html plus optional style (bullets|paragraph|tldr) and maxWords. Returns a dense, factual summary that preserves key numbers, names and conclusions. Powered by Claude.
Output
A dense, factual summary of the provided content in the requested style (bullets, paragraph, or tldr), respecting the maxWords limit. The summary preserves key numbers, proper names, and core conclusions from the source material.
Example use cases
Quick briefing on a news article
“Summarize this news article for me in a tldr style, max 80 words: https://www.reuters.com/world/some-long-breaking-news-story”
Condense a research paper abstract
“I've pasted the full HTML of a research paper — can you give me a paragraph-style summary in about 250 words, making sure to preserve any statistics and author conclusions?”
Digest a competitor's blog post
“Pull up https://competitor.com/blog/our-new-product-launch and give me a bullet-point breakdown of the main points, capped at 200 words, so I can get up to speed quickly.”
Technical details
Endpoint
POSThttps://agentreader.dev/summarize?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a quick, AI-generated factual summary of web content, plain text, or raw HTML and want control over output style (bullets, paragraph, or tldr) and length. It is ideal for agents doing research pipelines, news digests, or content triage where full document reading is unnecessary. Prefer it over generic LLM calls when you need a single-step, pay-per-call summarization without managing your own Claude prompts or web-fetching logic.
Side effects
- URL is unreachable or returns non-200 status — endpoint cannot fetch content
- URL points to paywalled or login-protected content — only visible text is summarized
- Content is too short or empty — may return a minimal or trivially short summary
- maxWords set below minimum (20) or above maximum (1000) — validation error returned
- Neither url, text, nor html provided — request rejected with missing input error
- HTML or text payload is extremely large — may be truncated or rejected
- Claude upstream API unavailability — service error returned
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| url | string | URL to fetch and summarize (or use text/html) |
| html | string | Raw HTML to summarize |
| text | string | Raw text to summarize |
| style | string | bullets | paragraph | tldr (default bullets) |
| maxWords | number | Max summary length in words (20-1000, default 200) |
Tags
x402
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