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Responsive Preview API

Capture screenshots at multiple viewport sizes in a single request. Preview how websites look on desktop, tablet, and mobile devices.

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API Endpoint

POST /v1/responsive

Parameters

Name	Type	Required	Description
url	string	Yes	URL to capture responsive previews for
devices	array	No	Array of device names or custom widths

Quick Example

curl -X POST "https://api.toolcenter.dev/v1/responsive" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"url": "https://example.com", "devices": ["desktop", "tablet", "mobile"]}'

Features

Multiple viewport sizes in one call
Desktop, tablet, and mobile presets
Custom viewport dimensions
High-quality Chromium rendering
Side-by-side comparison output

Use Cases

QA testing across devices

Client presentation mockups

Responsive design validation

Portfolio showcase generation

Start Using Responsive Preview API for Free

500 free API calls per month. No credit card required.

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