Instant chart images. Zero servers.
Chartly turns any Chart.js config into a cached PNG or SVG—powered by Cloudflare's global edge network, and now a powerful chart tool for developers.
curl "https://api.chartly.dev/v1/chart" \
-H "X-Api-Key: trial_XXXX" \
-H "Content-Type: application/json" \
-d '{"chart": {...}, "format": "png", "width": 600, "height": 400}'No signup required. First 100 charts are on us.
Live example: Complex multi-dataset chart
Trusted by developers worldwide
What developers are saying
Feedback from teams using Chartly in production
Senior Developer
SaaS Company
"Saved us weeks of development time. We needed to generate thousands of charts for our weekly reports, and the API just works. The edge caching is incredible with sub-second response times globally."
Data Analyst
Analytics Platform
"Perfect for our automated reporting pipeline. We generate thousands of charts daily for client dashboards. The reliability is outstanding - haven't had issues in months of use."
CTO
Early-stage Startup
"As a startup, we needed something that scales without breaking the bank. Started with the free tier, now processing high volumes monthly. The pricing is transparent and fair."
Lead Engineer
AI Platform
"The API is beautifully simple. Our AI agents can now generate charts directly without any complex setup. Game-changer for our LLM-powered analytics platform."
DevOps Engineer
Cloud Infrastructure Co.
"Zero infrastructure headaches. We can focus on our product instead of maintaining chart rendering servers. The global infrastructure means it's always fast, everywhere."
Product Manager
Reporting Platform
"Our customers love the crisp, professional charts in their PDF reports. Implementation took just an afternoon. Best developer experience I've had with any API service."
Why developers choose Chartly
Built for speed, compliance, and the modern AI workflow
Simple and reliable
Built on Cloudflare's global infrastructure for reliable chart generation. Just send your Chart.js config and get back an image.
Global edge network
Powered by Cloudflare's global infrastructure with smart caching and sub-second response times from 300+ locations worldwide.
AI agent ready
First chart API with native Model Context Protocol support. Give Claude, GPT-4, or any LLM the power to create charts instantly.
Get started in 60 seconds
No signup walls, no complex setup. Just charts.
Grab your free API key
No email required. 100 charts included to get you started.
Send your Chart.js config
POST any valid Chart.js JSON. Get back a perfect PNG or SVG image.
Embed anywhere
Use the image URL in emails, PDFs, Slack, or any platform. Perfect for reports and dashboards.
Simple, predictable pricing
Start free, scale as you grow. No hidden fees or surprise charges.
Free Trial
Starter
Growth
Enterprise
All plans include signed URLs and detailed analytics dashboard.
View detailed pricing and features →Frequently asked questions
Everything you need to know about Chartly
What chart types are supported?
All Chart.js 4.4 chart types including bar, line, pie, doughnut, radar, polar area, scatter, and bubble charts. Plus all their variants and combinations.
Can I use different API keys for different projects?
Yes! Create up to five API keys per account. Perfect for separating development, staging, and production environments. Revoke any key instantly if needed.
How do you handle my chart data?
We only store your chart configuration and a SHA-256 hash for caching. Generated images can auto-expire after 30 days. No sensitive data is retained unnecessarily.