Line Chart for Clinic API
Generate line chart for clinics and outpatient facilities 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/chart \
-H "Content-Type: application/json" \
-d '{
"type": "line",
"title": "Clinic Line Chart",
"data": {
"labels": [
"Appointments",
"Patients",
"Wait time",
"Satisfaction"
],
"datasets": [
{
"label": "Series A",
"data": [
42,
58,
37,
65
],
"backgroundColor": "#6366f1"
}
]
}
}' \
--output chart.pngHow 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
Any Chart Type
Bar, line, area, pie, doughnut, radar, polar area, bubble, scatter, and mixed, all from one endpoint.
Pixel-Perfect Output
Get crisp PNG for emails and PDFs, or infinitely scalable SVG for web and print. Up to 4K resolution.
Full Customization
Control colors, fonts, legends, axes, tooltips, and every visual detail through a simple JSON config.
Share & Embed
Save charts with shareable URLs. Embed as images or interactive iframes, no authentication needed for viewers.
Clinic Use Cases
- Track appointment volumes and wait times
- Generate patient ID barcodes
- Print prescription and appointment labels
- Visualize patient satisfaction scores
Frequently Asked Questions
What is a Line Chart API for Clinic?
A Line Chart API for clinics and outpatient facilities lets you generate line chart 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 line chart for clinic with an API?
Send a POST request to the ChartQuery chart 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 Line Chart API support?
PNG (default) and SVG. PNG is ideal for emails, PDFs, and messaging. SVG is lossless and infinitely scalable, perfect for web and print.
Is the Line Chart API free to use?
Yes. The ChartQuery Line Chart 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 line chart use cases in clinic?
Track appointment volumes and wait times. Generate patient ID barcodes. Print prescription and appointment labels. Visualize patient satisfaction scores. ChartQuery handles the rendering so you can focus on your data and business logic.
Can I share and embed charts 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.
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