QR Code API

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Frequently Asked Questions ​

Common questions about QR Code API.

General ​

What is QR Code API? ​

QR Code API is a REST API that generates QR codes. Send a request with your data, get back a QR code image (PNG or SVG).

Do I need to install anything? ​

No. QR Code API is a hosted service. Just make HTTP requests from any programming language.

What formats are supported? ​

  • PNG - Raster image, best for web and print
  • SVG - Vector image, scales to any size

Pricing ​

Is there a free tier? ​

Yes! The free plan includes 1,000 QR codes per month with no credit card required.

Can I upgrade or downgrade anytime? ​

Yes, you can change your plan at any time from the dashboard. Changes take effect immediately.

What happens if I exceed my limit? ​

You'll receive a 429 error. Upgrade your plan or wait for the monthly reset.

Technical ​

What's the maximum data size? ​

QR codes can encode up to 2,953 characters, but we recommend keeping data under 500 characters for best scanning reliability.

What error correction levels are available? ​

  • L - 7% recovery (maximum data density)
  • M - 15% recovery (default, balanced)
  • Q - 25% recovery (good for logos)
  • H - 30% recovery (best for logos)

Can I add a logo to my QR code? ​

Yes! Logo overlay is available on Pro and Enterprise plans. Use the logo parameter with a URL to your image.

Are the QR codes scannable? ​

Yes, all generated QR codes follow the ISO/IEC 18004 standard and are compatible with all QR code scanners.

Dynamic QR Codes ​

What are dynamic QR codes? ​

Dynamic QR codes point to a short URL that you can edit anytime. Change where your QR code points without reprinting.

How do I track scans? ​

Use dynamic QR codes - every scan is logged with location, device, and timestamp data. View analytics in your dashboard or via API.

Yes, but the QR code will stop working. Consider updating the URL instead.

Security ​

Is my data secure? ​

Yes. All API requests use HTTPS encryption. We don't store the data you encode - only generate the QR code and return it.

Where is the API hosted? ​

Our infrastructure runs on Vercel's edge network with data centers worldwide for low latency.

Do you have a DPA? ​

Yes, we offer a Data Processing Agreement for enterprise customers. Contact us.

Support ​

How do I get help? ​

Do you offer custom solutions? ​

Yes, enterprise plans include custom features, dedicated support, and SLAs. Contact sales.