{"service":"Screenshot Service","version":"1.0.0","endpoint":"/api/capture","params":{"url":"string (required) - Target URL","access_key":"string - API key (if configured)","fullpage":"0|1 - Capture full scrollable page","width":"number - Viewport width (default: 1440)","height":"number - Viewport height (default: 900)","format":"png|jpg|webp|pdf (default: png)","quality":"1-100 - Image quality for jpg/webp (default: 90)","delay":"number - Delay in ms before capture (default: 0)","thumbnail_width":"number - Resize to this width","user_agent":"string - Custom User-Agent","accept_lang":"string - Accept-Language header","css_url":"string - URL of CSS file to inject","js":"string - JavaScript to execute before capture","wait_for":"string - CSS selector to wait for","block_ads":"0|1 - Block common ad domains","dark_mode":"0|1 - Emulate dark mode","mobile":"0|1 - Emulate mobile device","retina":"0|1 - 2x device pixel ratio","browser":"chromium|firefox|webkit (default: chromium)"}}