Generate beautiful charts with a simple API

Create chart images, diagrams and data visualizations on demand. PNG, SVG, PDF output. No server-side rendering needed.

How it works

From data to image in seconds

Generate charts and diagrams with a simple HTTP request. No browser, no canvas, no headless Chrome. Just an API call.

Configure your chart

Define your chart with a JSON config or describe it in plain English with AI Generate.

Call the API

Send a GET or POST request to our endpoint. Works from any language or platform.

Get your image

Receive a PNG, SVG, or PDF image instantly. Embed it anywhere: emails, docs, apps.

Analytics at a Glance

10 chart types rendered server-side. Bar, line, pie, doughnut, radar, scatter, and more — in PNG, SVG, or PDF.

Diagram Rendering

28 diagram languages including Mermaid, PlantUML, GraphViz, and D2. Rendered as vector images.

Chart Rendering

Send a JSON config via GET or POST and receive a chart image. Dark mode, custom colors, retina output.

AI Generate

Describe a chart in plain English. The AI configures and renders it for you, no JSON required.

99.9% Uptime

Continuous monitoring with instant alerts. Status page at status.chartquery.com.

Multiple Output Formats

PNG, SVG, JPEG, and PDF output. Use SVG for scalable vector graphics or PNG for email embedding.

Replaced our entire in-house chart rendering pipeline in a single afternoon.

Engineering Lead

Built for Scale

Teams at startups and enterprises use ChartQuery to generate charts, diagrams, labels, and QR codes on the fly — directly from their backend, CI pipeline, or no-code platform. No rendering server to maintain, no browser dependency, no Puppeteer hacks.

On-the-fly generation

Every API call returns a rendered image in under 100ms. Generate thousands of visuals per minute without provisioning any infrastructure.

EU-hosted & GDPR compliant

All data processed and stored in the European Union. No data leaves EU borders. Fully GDPR compliant by design.

5 APIs, one key

Charts, diagrams, AI generate, QR codes, and labels — all under a single API key with unified billing and rate limits.

Zero maintenance

No headless browser, no canvas dependency, no rendering queue. Send a request, get an image. We handle the rest.

Built for developers who move fast

Multiple output formats with PNG, SVG, JPEG, and PDF output. Use SVG for infinitely scalable vector graphics or PNG for email embedding.

10+ chart types covering all configuration options. Use any plugin, any scale, any animation.

Sub-500ms response times across all endpoints with 99.95% uptime and infrastructure built for high-throughput applications.

Works with your tech stack

A simple REST API that integrates in minutes with any language, framework, or platform.

Get started
Languages
Frameworks
Deploy

Start generating charts today

No API key required to get started. Generate charts, diagrams, and more with a single HTTP request.

Get StartedView Pricing