Turn data into embeddable images
Transform datasets into chart images that can be embedded in any application, document, or web page without client-side rendering.
Any data source
Pass data from databases, spreadsheets, APIs, or CSV files.
10 chart types
Choose the right visualization for your data: bar, line, pie, scatter, and more.
Server-side rendering
No browser, no canvas, no JavaScript runtime. Just an HTTP request.
Embeddable output
Use the generated image URL anywhere: HTML, Markdown, emails, PDFs.
We integrated ChartQuery to automate chart generation across all our email reports.
Read StoryUptime guarantee for all API endpoints.
Response time across all endpoints.
Configure your data visualization charts
Use a JSON config or describe what you want in plain English. Set chart type, colors, dimensions, and output format.
Integrate charts into your data visualization
A single HTTP request generates and returns your chart image. No SDK, no dependencies, no rendering engine.
REST API
GET or POST to /v1/chart with your config. Receive a PNG or SVG image in under 500ms.
Any language
Works with JavaScript, Python, PHP, Go, Ruby, Java, cURL, or any HTTP client.
Share & embed
Add share: true to get public URLs and iframe embed codes for any chart.
Output options for data visualization
Choose the right format for your use case. PNG for emails, SVG for web, PDF for print.
PNG output
Raster images for email embedding, chat messages, and applications.
SVG output
Infinitely scalable vector graphics for web pages and documentation.
High resolution
Use device_pixel_ratio: 2 for Retina-quality output at any size.
Custom dimensions
Set width and height from 50 to 4000 pixels for any output format.
API features for data visualization
Built for production use with consistent rendering, version pinning, and reliable uptime.
Version pinning
Pin to a specific engine version to ensure identical rendering across deployments.
Anonymous access
No API key needed to get started. 60 requests per hour per IP for free.
AI generation
Describe charts in English with /v1/chart/ai. Great for dynamic, data-driven workflows.
Worldwide CDN
Charts are delivered from edge infrastructure for fast response times globally.
Start generating charts today
No API key required to get started. Generate charts, diagrams, and more with a single HTTP request.
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