Documentation / Guides
Guides
Practical, end-to-end explanations for the features customers use most. Each guide stands alone—read them in any order. For field-by-field detail, keep the API reference open in another tab.
All guides
- Full-page and viewport capturesScroll-height shots, viewport sizing, device presets, and navigation readiness with wait_until.
- PDF exportsPaper sizes, margins, landscape, print backgrounds, and when to prefer PDF over raster images.
- Regions and single elementsCSS selectors, manual clip rectangles, and scroll alignment for precise crops.
- Authenticated and personalized pagesHTTP Basic auth, cookies, safe custom headers, and credentials handling for async jobs.
- Async jobs and webhooksQueueing long renders, callback payloads, HMAC verification, and signed result URLs.
- Performance and blockingWaits, resource blocking, ad stripping, and content filters to stabilize flaky pages.
- HTML outputCapturing markup instead of pixels and why downloads are forced as attachments.
- URL safety and validationWhy only public HTTP(S) targets are allowed and how SSRF-style hosts are rejected.