Screenshot APIs capture existing pages. cloudlayer.io generates new documents from your HTML templates and JSON data.
| Feature | CaptureKit | cloudlayer.io |
|---|---|---|
| Rendering Engine | Chromium | Chromium |
| Screenshot Capture | ✓ | URL input supported |
| PDF Generation | ✓ | ✓ |
| Document Generation | ✕ | ✓ |
| Template System | ✕ | Nunjucks |
| Visual Template Editor | ✕ | ✓ |
| Webhook Notifications | ✕ | ✓ |
| Cloud Storage (S3) | ✓ | S3 + GCS |
| CDN Asset Hosting | ✕ | ✓ |
| Multiple SDKs | Limited | 8 languages |
| Market Maturity | Very new (2025) | Established |
CaptureKit takes pictures of existing web pages. It can't create new documents from templates and data.
CaptureKit launched in early 2025. Limited track record for production workloads and long-term reliability.
No way to design reusable templates and merge JSON data. Not built for document generation workflows.
Create your cloudlayer.io account and get an API key in under a minute. No credit card required. Full API access from day one.
Bring your existing HTML templates or build new ones with the visual editor or Nunjucks. Upload fonts and assets to our CDN.
Swap the CaptureKit endpoint with cloudlayer.io. Our REST API accepts HTML, template IDs, or URLs — most migrations take minutes.
cloudlayer.io is a proven platform with established uptime, support, and a track record of reliability.
Design templates in HTML/CSS with Nunjucks. Merge JSON data to generate unique documents at scale.
PDFs + images, templates, webhooks, S3/GCS delivery, CDN hosting, and SDKs for 8 languages.
Full API access, visual template editor, PDF + image generation, webhooks, and cloud delivery. No credit card required — start your 30-day free trial.
No commitment. Cancel anytime.
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