URL QR Code for E-Learning API
Generate url qr code for e-learning platforms and digital education with a single API call. ChartQuery renders publication-ready images, PNG or SVG, that you can embed in dashboards, emails, reports, or print directly. No chart library to install, no frontend code to write.
Live Preview
This image is generated in real time by the ChartQuery API, no static assets.
Quick Start
A single HTTP request is all you need. No SDK, no dependencies.
curl -X POST https://api.chartquery.com/v1/qrcode \
-H "Content-Type: application/json" \
-d '{
"data": "https://www.example.com",
"size": 300,
"dot_type": "rounded",
"ec_level": "H",
"color": "#6366f1"
}' \
--output qrcode.svgHow It Works
Send a Request
POST a JSON body or use GET with query parameters. No SDK or library needed.
Get Your Image
ChartQuery renders your chart, diagram, barcode, QR code, or label and returns it as PNG or SVG.
Use It Anywhere
Embed in emails, PDFs, dashboards, documents, or print directly. Works everywhere images work.
Features
11 Dot Styles
Square, rounded, dots, diamond, classy, and more, create QR codes that match your brand identity.
Color Gradients
Linear and radial gradients for modules and background. Full corner customization with per-finder styling.
Any Data Type
URLs, WiFi credentials, vCards, emails, SMS, phone numbers, locations, events, and plain text.
High Error Correction
Four EC levels (L/M/Q/H) supporting up to 30% damage tolerance. Perfect for printed materials.
E-Learning Use Cases
- Track learner progress and quiz scores
- Generate completion certificate labels
- Create flowcharts for learning paths
- Visualize platform usage analytics
Frequently Asked Questions
What is a URL QR Code API for E-Learning?
A URL QR Code API for e-learning platforms and digital education lets you generate url qr code images programmatically via HTTP requests. ChartQuery renders publication-ready PNG or SVG output that you can embed in dashboards, emails, reports, or print, without installing any chart library or writing frontend code.
How do I generate a url qr code for e-learning with an API?
Send a POST request to the ChartQuery qrcode endpoint with your data as JSON. The API returns a rendered image directly. You can also use GET requests with URL parameters for simple cases. No API key is required for basic usage, anonymous access is available with 60 requests per hour.
What output formats does the URL QR Code API support?
SVG (default) and PNG. SVG is recommended for web and print, PNG for email and messaging.
Is the URL QR Code API free to use?
Yes. The ChartQuery URL QR Code API works without an API key. Anonymous access is rate-limited to 60 requests per hour and adds a small watermark. Authenticated users on paid plans get higher limits, no watermark, and longer chart persistence (6 months vs 3 days for shared URLs).
What are common url qr code use cases in e-learning?
Track learner progress and quiz scores. Generate completion certificate labels. Create flowcharts for learning paths. Visualize platform usage analytics. ChartQuery handles the rendering so you can focus on your data and business logic.
Can I share and embed qr codes generated by the API?
Yes. Add "share": true to any request to get permanent URLs. The render_url is a direct image URL you can embed in emails, documents, or <img> tags. The view_url is an interactive HTML page you can embed as an iframe. No authentication needed for viewers.
Related APIs
Start generating charts today
No API key required to get started. Generate charts, diagrams, and more with a single HTTP request.
Get StartedView Pricing