HeadlessLender provides low-latency cloud Chromium lending infrastructure over native Chrome DevTools Protocol (CDP) WebSocket and high-speed REST extraction APIs for AI agents, Python, and Node.js.
All 13 secondary tools can be queried immediately via public endpoints with no API key needed (100 req/day). For production volume, 120 req/min burst speed, and custom cache control, simply sign up for a free developer account in 10 seconds.
All 13 extraction tools are completely open to call without creating an account or providing an API key. Perfect for quick scripts, evaluation, and prototyping.
curl -X POST https://api.headless-lender.com/api/v1/markdown \
-H "Content-Type: application/json" \
-d '{"url":"https://example.com"}'Unlock our highest free tier: 1,000 free monthly requests + 10 hours (600 mins) of cloud Chromium browsers, 120 req/min burst limits, and cache-bypass controls.
Authorization: Bearer hl_live_your_api_key_here| Tier | Monthly Quota | Cloud Browser Time | Burst Rate Limit | Credit Card | Setup |
|---|---|---|---|---|---|
| Public Anonymous | 100 req/day | 5-min trial sandbox | 10 req/min | Not Required | Instant (0s) |
| Free Developer Key (Highest Quota) | 1,000 Req / Month | 600 Mins (10 Hours) | 120 req/min | Zero ($0 forever) | 10s Sign-up → |
Choose any feature below to inspect its dedicated API specification, parameter tables, and copyable code samples.
Strip clutter, extract clean structured Markdown, and save up to 88% tokens for RAG pipelines.
Extract clean article text, author, publish date, reading time, and distraction-free content.
Translate live international web pages into 15+ languages as clean, formatted Markdown.
Extract clean, human-readable plain text with boilerplate and script tag removal.
Scrape any dynamic webpage into structured JSON schema using intuitive CSS selectors.
Extract tabular data from complex web pages into clean CSV, JSON, and interactive data grids.
Inspect Google SERP snippets, Twitter Cards, OpenGraph tags, and JSON-LD schema.
Discover all internal and external hyperlinks, anchor texts, and domain frequency breakdowns.
Capture crisp, pixel-perfect PNG & JPEG screenshots of any dynamic website at scale.
Generate publication-grade PDF documents from HTML, URLs, and web apps with CSS paged media.
Recursively crawl entire websites, discover URLs, and build site hierarchies with smart boundaries.
Execute client-side JavaScript, hydrate SPAs (React, Vue, Angular), and extract the fully rendered DOM.
Lease isolated cloud Chromium browsers on demand via native Chrome DevTools Protocol (CDP) WebSocket.
| Status | Code | Description |
|---|---|---|
| 200 | OK | The request succeeded and execution result is returned. |
| 400 | Bad Request | Missing URL parameter or invalid JSON request body. |
| 401 | Unauthorized | Invalid or missing API key in the Authorization header. |
| 429 | Quota Exceeded | Monthly credit quota exhausted or concurrency limit hit. |
| 502 | Bad Gateway | Upstream Playwright cluster unreachable or target website blocked loopback. |