GET hypothes.is HTTP 200140 ms10.6 KB$0.000512 captured Aug 7, 2026
hypothes.is, as data
One API turns any hypothes.is page into markdown, structured JSON, its link graph or a screenshot, and crawls the whole site the same way. The panel shows the real response we captured.
- Render mode
- Plain HTTP, no browser needed
- Response
- HTTP 200 in 140 ms
- Page size
- 10.6 KB of markdown, 165 lines
- Fields
- Title, Content, Date, Source
- Captured
- Aug 7, 2026
Free balance on signup, no card. This hypothes.is page cost $0.000512 to fetch.
Students aren’t reading. Discussion boards are dead zones. AI shortcuts are everywhere. Hypothesis — the market-leading social annotation platform — transforms passive assignments into active, collaborative learning. Built for higher education. Integrated directly into your LMS.## How Does Hypothesis Social Annotation Work?## Comment and highlight directly over content.Students, faculty, and colleagues can highlight and comment directly on online articles, websites, videos, and more without switching platforms.## Turn Annotations into Discussions.Students, faculty, and teams can share ideas, ask questions, provide insights and respond directly to annotations. Creating a dialogue directly over content.## Tag Other Users for Increased Collaboration.Faculty, students, and teams can engage more deeply by tagging peers directly in annotations, triggering notifications and encouraging students to revisit course materials and participate in ongoing discussions.## **Why 300+ Institutions Choose Hypothesis**### **Human Centered Learning in the Age of AI**Hypothesis is built on a simple belief: real learning happens when students engage directly with ideas — not when they summarize them for an AI.Students are turning to AI to shortcut the reading and thinking that higher education depends on. Hypothesis restores what matters: real engagement with course materials, deeper critical reading, and authentic dialogue between students and instructors. Instead of policing AI, faculty can create learning environments where students actually read, think, and contribute.**Explore how Hypothesis supports AI literacy:*** Case Study: Generative AI and Social Annotation →* Blog: Why Social Annotation Is an Essential Tool for AI-Era Literacy → What Spider does on hypothes.is
Same key, five endpoints. The numbers under a cell were measured on this page.
Page to markdown
Clean text for RAG and LLM context, boilerplate removed. The lane that runs without a key.
140 ms · $0.000512Page to JSON
Spider reads the page and names the fields. Pass your own schema when you need exact keys.
Rendered capture
Real Chromium, full-page PNG. The same call also returns the rendered HTML.
The call behind the panel
This request produced the response above. Paste it with your key and you get the same bytes.
curl -X POST https://api.spider.cloud/scrape \
-H "Authorization: Bearer $SPIDER_API_KEY" \
-H "Content-Type: application/json" \
-d '{"url": "https://hypothes.is/", "return_format": "markdown"}' from spider import Spider
app = Spider()
params = {"return_format": "markdown"}
page = app.scrape_url("https://hypothes.is/", params=params)
print(page[0]["content"]) import { Spider } from "@spider-cloud/spider-client";
const app = new Spider();
const [page] = await app.scrapeUrl("https://hypothes.is/", {
return_format: "markdown",
});
console.log(page.content); What hypothes.is costs
Multiplied from the measured 10.6 KB page. Estimates round to the cent.
1 GB of transfer costs $1, plus $0.001 per CPU minute, and failed requests cost $0. Crawling daily? The Unlimited plan is a flat monthly rate.
Point this at the rest of hypothes.is.
The capture above took 140 ms and cost $0.000512. The same call takes any URL on hypothes.is.