SMS QR Code for Theater API
Generate sms qr code for theaters and performing arts venues 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": "SMSTO:+1234567890:Hello!",
"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.
Theater Use Cases
- Track ticket sales and seat occupancy
- Generate e-ticket barcodes
- Create QR codes for show info
- Visualize audience demographics
Frequently Asked Questions
What is a SMS QR Code API for Theater?
A SMS QR Code API for theaters and performing arts venues lets you generate sms 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 sms qr code for theater 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 SMS QR Code API support?
SVG (default) and PNG. SVG is recommended for web and print, PNG for email and messaging.
Is the SMS QR Code API free to use?
Yes. The ChartQuery SMS 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 sms qr code use cases in theater?
Track ticket sales and seat occupancy. Generate e-ticket barcodes. Create QR codes for show info. Visualize audience demographics. 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.
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