Candlestick chart from a URL
Create a Candlestick chart as a PNG image with a single URL — Open-high-low-close for prices. No charting library, no JavaScript, no screenshots.
Live example

https://yakcharts.com/chart.png?type=candlestick&data=%5b%5b%22Mon%22%2c20%2c25%2c18%2c23%5d%2c%5b%22Tue%22%2c23%2c28%2c22%2c26%5d%2c%5b%22Wed%22%2c26%2c27%2c21%2c22%5d%5d&title=Candlestick%20chartEmbed it anywhere
<img src="https://yakcharts.com/api/chart.png?apiKey=YOUR_KEY&type=candlestick&data=%5b%5b%22Mon%22%2c20%2c25%2c18%2c23%5d%2c%5b%22Tue%22%2c23%2c28%2c22%2c26%5d%2c%5b%22Wed%22%2c26%2c27%2c21%2c22%5d%5d">Works in email, PDFs, READMEs, Slack, dashboards — anywhere an image works. Sign the URL with your secret to remove the watermark.
From code
curl "https://yakcharts.com/api/chart.png?apiKey=YOUR_KEY&type=candlestick&data=%5b%5b%22Mon%22%2c20%2c25%2c18%2c23%5d%2c%5b%22Tue%22%2c23%2c28%2c22%2c26%5d%2c%5b%22Wed%22%2c26%2c27%2c21%2c22%5d%5d" -o chart.pngFull reference + JavaScript, Python, PHP, Go and Ruby samples in the docs.
Other chart types
Put this chart in your own emails, reports and dashboards
YakCharts turns data into a PNG from a single URL — no charting library, no JavaScript, no screenshots. Free tier included; every plan has all 28 chart types.