GET readme.io HTTP 200161 ms22.9 KB$0.001437 captured Aug 7, 2026
readme.io, as data
One API turns any readme.io 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 161 ms
- Page size
- 22.9 KB of markdown, 421 lines
- Fields
- Business Name, Address, Phone, Category
- Captured
- Aug 7, 2026
Free balance on signup, no card. This readme.io page cost $0.001437 to fetch.
Create reusable content blocks of Markdown, accordions, card, and banners that update across all pages simultaneously.Add interactivity beyond plain text.Edit once, update everywhere.Customize components from our MarketplaceUpload your Open API spec and ReadMe generates a dynamic API Reference withcode samples and auth handling.Drag and drop files or import via URLConnect directly to GitHub or GitLab repositoriesAutomate syncing with CLI or API Sync"description": "This operation will update a pet in the database.",This operation will update a pet in the database.Build API references, no spec requiredBuild your API reference from scratch using ReadMe's visual API Designer. Point, click, publish. No YAML or JSON required.Document endpoints without writing any codeDefine parameters, requests, and errorsNo OpenAPI specification needed to startPublish and manage multi-language docs in one hub. Built-in localized navigation and search make supporting worldwide.Publish and manage multi-language docsBuilt-in localized navigation and searchWrite docs with ReadMe's MCP ServerUpdate your docs from Claude Code, Cursor, or CI. Give your agent full read and write access to your documentation.Create and manage pages with promptsGenerate changelogs on every new releaseBuild style guides from top-performing pages“ Out-of-the-box features that actually move the needle, collaborative editing for every product team, and bi-directional sync. ReadMe was the obvious choice for getting to best-in-class developer experience. ”Head of Dev Experience @SocureAPI documentation that actually helps developers buildAuto-generate an interactive API explorer from your OpenAPI spec, surface API keys directly in your docs, and give developers everything they need to makeEnterprise-ready docs, out of the box What Spider does on readme.io
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.
161 ms · $0.001437Page 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://readme.io/", "return_format": "markdown"}' from spider import Spider
app = Spider()
params = {"return_format": "markdown"}
page = app.scrape_url("https://readme.io/", params=params)
print(page[0]["content"]) import { Spider } from "@spider-cloud/spider-client";
const app = new Spider();
const [page] = await app.scrapeUrl("https://readme.io/", {
return_format: "markdown",
});
console.log(page.content); What readme.io costs
Multiplied from the measured 22.9 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 readme.io.
The capture above took 161 ms and cost $0.001437. The same call takes any URL on readme.io.