QuickChart

API

Generate chart and graph images via REST API

Overview

QuickChart provides a RESTful API to generate chart and graph images (PNG/SVG) without client-side JavaScript. Core endpoints like /chart accept input via query parameters or JSON POST requests, including chart type (bar, line, pie), data series, labels, and styling options. Responses are high-quality image files ideal for embedding in emails, static websites, reports, or applications where interactive charts aren’t feasible. Supports popular visualization types and integrates seamlessly with any programming language by sending HTTP requests and receiving direct image outputs.

Example Integration (JavaScript)

script.js JS


fetch('https://quickchart.io/')
  .then(res => res.json())
  .then(data => console.log(data))
  .catch(err => console.error(err));

Key Features

RESTful API
PNG/SVG image outputs
Multiple chart types
Query string or JSON POST input
No API key for free tier

Frequently Asked Questions

? Is QuickChart free to use?

Yes, QuickChart offers a free tier with rate limits. Paid plans unlock higher usage caps, advanced features like custom fonts, and SVG output access.

? Does it require an API Key?

Free tier usage does not need an API key. Paid plans require an API key for authentication and premium functionalities.

? What is the response format?

Responses are typically PNG images. SVG outputs are available for users on paid subscription plans.

Top Alternatives

Plotly Image API Search Google

Google Charts Image API (deprecated) Search Google

Tool Info

Pricing Freemium

Category Development

Platform Public API

Pros

⊕ Easy integration with any language
⊕ No client-side JS dependency
⊕ Flexible input methods
⊕ High-resolution images

Cons

⊖ Rate limits on free tier
⊖ SVG output for paid plans only
⊖ Advanced customization requires subscription