{"service":"takumi-render-server","engine":"takumi-js/render","auth":{"required":true,"header":"x-api-key"},"routes":{"POST /render":"body = HTML document, response = image bytes","POST /render/json":"JSON `{ html, width, height, format? }`, response = base64","GET /healthz":"liveness probe"},"query":{"width":"number, required","height":"number, required (final pixel dimensions)","format":"png | jpeg | webp (default png)","quality":"0-100, jpeg/webp only","dpr":"devicePixelRatio passed to takumi; does not scale output size","lang":"BCP-47, e.g. zh-CN","css":"extra CSS applied before rendering"}}