I Built 7 Developer APIs in One Afternoon — Here's the Full Stack

I wanted a simple screenshot API. Three hours later I had 7 APIs, a landing page, self-service signup, payments, and this article. Here's every API, how it works, and how to use it for free. The 7 APIs 1. 📸 Screenshot Capture Turn any URL into a PNG/JPEG image. curl -X POST https://api.16761.tech/screenshot \ -H "Authorization: Bearer YOUR_KEY" \ -H "Content-Type: application/json" \ -d '{ "url": "https://github.com", "fullPage": true }' \ -o screenshot.png Supports: custom viewport (up to 4K), full-page, element selectors, JPEG quality, render delay. 2. 📄 PDF Export Convert any webpage to PDF. curl -X POST https://api.16761.tech/pdf \ -H "Authorization: Bearer YOUR_KEY" \ -d '{ "url": "https://example.com", "landscape": true }' \ -o page.pdf 3. 🏷️ Metadata Extraction Get title, description, OG tags, Twitter cards, favicon from any URL. curl -X POST https://api.16761.tech/metadata \ -H "Authorization: Bearer YOUR_KEY" \ -d '{ "url": "https://github.com" }' 4. 📱 QR Code Generator Genera